How many o - So, to find the number of hydrogen atoms in a mole of water molecules, the problem can be solved using conversion factors: 1 molH2O × 6.02 ×1023 moleculesH2O 1mol H2O × 2 atomsH 1 moleculeH2O = 1.20 ×1024 atoms H 1 mol H 2 O × 6.02 × 10 23 molecules H 2 O 1 mol H 2 O × 2 atoms H 1 molecule H 2 O = 1.20 × 10 24 atoms H.

 
Study with Quizlet and memorize flashcards containing terms like How many milliliters is 0.3 L?, Many home freezers maintain a temperature of 0°F. Express this temperature in °C., Do the indicated arithmetic and give the answer to the correct number of significant figures. (1.5 × 10^-4 × 61.3) + 2.01 = and more. . Borgess women

How to Figure Out How Many Zeros in a Million. Trying to figure out how many zeros should be in a large number? Each large number always adds a zero to the number immediately preceding it, starting at 1,000. 1,000 has three zeros. That means that the next large number, ten thousand (10,000), has four zeros. The same goes when you get into the ...Answer. The usage of 'much' and 'many' depends on whether the noun it modifies is a count noun or a noncount noun (read about these types of nouns here ). Use 'much' with noncount nouns and use 'many' with count nouns. In the example sentence, 'exercise' is a noncount noun so you should use 'much': How much exercise do you do?Jun 27, 2018 · Kenneth Beare. Updated on June 27, 2018. Whether to use how much or how many depends on whether the following noun is countable or non-countable. In English, how much is often combined with non-countable qualities known as abstractions. These are common words such as time, water, and fun. Countable nouns are objects that you can count, such as ... So, to find the number of hydrogen atoms in a mole of water molecules, the problem can be solved using conversion factors: 1 molH2O × 6.02 ×1023 moleculesH2O 1mol H2O × 2 atomsH 1 moleculeH2O = 1.20 ×1024 atoms H 1 mol H 2 O × 6.02 × 10 23 molecules H 2 O 1 mol H 2 O × 2 atoms H 1 molecule H 2 O = 1.20 × 10 24 atoms H.Type O positive blood is given to patients more than any other blood type, which is why it’s considered the most needed blood type. 38% of the population has O positive blood, making it the most common blood type. O positive red blood cells are not universally compatible to all types, but they are compatible to any red blood cells that are ... Type O positive blood is given to patients more than any other blood type, which is why it’s considered the most needed blood type. 38% of the population has O positive blood, making it the most common blood type. O positive red blood cells are not universally compatible to all types, but they are compatible to any red blood cells that are ...Historically, there are four named oceans: the Atlantic, Pacific, Indian, and Arctic. However, most countries - including the United States - now recognize the Southern (Antarctic) as the fifth ocean. The Pacific, Atlantic, and Indian are the most commonly known. The Southern Ocean is the 'newest' named ocean. It is recognized by the U.S. Board ...Company grade officers are those officers in grades O-1 to O-3, field grade officers are grades O-4 to O-6 and general officers are O-7 and above. Air Force Officer Ranks: Company Grade Second ...Nov 16, 2014 · It seems I might have spoken too soon. I’m using a fairly recent British edition of the book, but other printings (including the OP’s – see comments) disagree. The HP Wiki article on O.W.L.’s states: In early editions of Harry Potter and the Half-Blood Prince, Hermione Granger is said to receive eleven O.W.L.s, scoring ten O's and one E. The presence of OCBs in the CSF is an important factor in diagnosing MS. The presence of OCBs can indicate inflammation in the CNS.. A study from 2016 noted that more than 95% of all people living ...O’Reilly Auto Parts was founded in 1957 and began with one store in Springfield, Missouri. There are currently 6,027 stores in 48 U.S. states and Puerto Rico and 44 ORMA stores in Mexico. More InfoRunels, DeLucia, and other healthcare providers who offer the O-Shot claim it can improve vaginal sensation, sexual function, and a lot more. Some supposed benefits include: increased sexual ...Tina Smith January 24, 2020. People with O negative blood often wonder how rare their blood is since it is always in demand by hospitals and blood centers. If you have 0 negative blood, you have something in common with about 7 percent of the US population. Or to put it another way, about 1 in 15 people have O negative blood.Sep 10, 2021 · In general, the rarest blood type is AB negative and the most common is O positive. Here's a breakdown of the most rare and common blood types by ethnicity, according to the American Red Cross. O ... O'Reilly Auto Parts. O’Reilly Automotive, Inc. is an American auto parts retailer that provides automotive aftermarket parts, tools, supplies, equipment, and accessories to professional service providers and do-it-yourself customers. Founded in 1957 by the O’Reilly family, the company operates more than 5,600 stores in 47 states and Mexico. How to Figure Out How Many Zeros in a Million. Trying to figure out how many zeros should be in a large number? Each large number always adds a zero to the number immediately preceding it, starting at 1,000. 1,000 has three zeros. That means that the next large number, ten thousand (10,000), has four zeros. The same goes when you get into the ...1. (in questions) a. cuántos. How many days will you be out?¿Cuántos días vas a estar fuera? How many pets do you have?¿Cuántas mascotas tienes? 2. (countable quantity) a. cuanto. You pay depending on how many you choose.Pagas en base a cuantos escojas. b. número de. There is a limit to how many times a cell can divide.Hay un límite al ...Of the 195 countries in the world: 54 countries are in Africa. 48 in Asia. 44 in Europe. 33 in Latin America and the Caribbean. 14 in Oceania. 2 in Northern America. Oxygen - Wikipedia Oxygen Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds.Dec 19, 2022 · COVID-19. People with blood group O-positive can donate blood to other O-positive people, as well as all other positive blood types (A+, B+, and AB+). Blood group O-positive (O+) is the most common blood type among Americans. About 43 percent of Americans have an O blood type of which O-positive accounts for about 38 percent of the population. There are 1.3 mol of the entire acid molecule, so there are four as many moles of oxygen as there are of the acid, because one acid contains four oxygens. $4×1.3=5.2$ and 5.2 times Avogadro's constant is (about) $3.1×10^{24}$ atoms.Oxygen makes up 21% of the atmosphere by volume. This is halfway between 17% (below which breathing for unacclimatised people becomes difficult) and 25% (above which many organic compounds are highly flammable). The element and its compounds make up 49.2% by mass of the Earth’s crust, and about two-thirds of the human body.Many of them are vegetarians. 2. I have much work to do. 3. I don’t have much time. 4. There weren’t many students in the class. 5. Much money has been wasted on this project. 6. You didn’t eat much breakfast. 7. Not much of India is barren. 8. You can’t see much of a country in a week. 9. How many of you are going to be there? 10. You ...The active duty U.S. Army personnel number has decreased from 2010 to 2021. In 2010, there were 561,979 active duty U.S. Army members, as compared to 482,416 in 2021. The number of active duty U.S ...The O was for 20-year-old Odee Perry, a gang member gunned down just around the corner on a summer’s night in 2011. His killer? ... Many of those gang members moved about three blocks away, to ...The English Alphabet consists of 26 letters: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z. Total number of letters in the alphabet 23 letters (A B C D E F G H I K L M N O P Q R S T V X Y Z) are the first 23 letters of the 29 original Old English Alphabet recorded in the year 1011 by the monk Byrhtferð. COVID-19. People with blood group O-positive can donate blood to other O-positive people, as well as all other positive blood types (A+, B+, and AB+). Blood group O-positive (O+) is the most common blood type among Americans. About 43 percent of Americans have an O blood type of which O-positive accounts for about 38 percent of the population.To convert gallons to ounces, multiply the gallon value by 128. For example, to find out how many ounces are in 2 gallons, you can use the following formula: oz = gallon * 128. Simply multiply 2 by 128: oz = 2 * 128 = 256 oz. Therefore, 2 gallons equal to 256 oz. Using the simple formula below, you can easily convert gallons to fluid ounces.O’Reilly Auto Parts was founded in 1957 and began with one store in Springfield, Missouri. There are currently 6,027 stores in 48 U.S. states and Puerto Rico and 44 ORMA stores in Mexico. More InfoCOVID-19. People with blood group O-positive can donate blood to other O-positive people, as well as all other positive blood types (A+, B+, and AB+). Blood group O-positive (O+) is the most common blood type among Americans. About 43 percent of Americans have an O blood type of which O-positive accounts for about 38 percent of the population.O'Reilly Auto Parts. O’Reilly Automotive, Inc. is an American auto parts retailer that provides automotive aftermarket parts, tools, supplies, equipment, and accessories to professional service providers and do-it-yourself customers. Founded in 1957 by the O’Reilly family, the company operates more than 5,600 stores in 47 states and Mexico. Type O positive blood is given to patients more than any other blood type, which is why it’s considered the most needed blood type. 38% of the population has O positive blood, making it the most common blood type. O positive red blood cells are not universally compatible to all types, but they are compatible to any red blood cells that are ...Mar 12, 2019 · The average person in the United States consumes around 17 teaspoons, or 71.14 grams, of added sugar per day, which far exceeds recommended limits. A gram (g) of sugar contains about 4 calories ... O visa. An O visa is a classification of non-immigrant temporary worker visa granted by the United States to an alien "who possesses extraordinary ability in the sciences, arts, education, business, or athletics, or who has a demonstrated record of extraordinary achievement in the motion picture or television industry and has been recognized ... 1 oz = 28.34952 g. The mass m in grams (g) is equal to the mass m in ounces (oz) times 28.34952:O’Reilly Auto Parts was founded in 1957 and began with one store in Springfield, Missouri. There are currently 6,027 stores in 48 U.S. states and Puerto Rico and 44 ORMA stores in Mexico. More Info How many O atoms are present on the right side of the chemical equation? Expert Solution. Trending now This is a popular solution! Step by step Solved in 2 steps with ...1 point: O ×10, A ×9, E ×8, I ×6, N ×5, S ×5, V ×5, T ×4 2 points : R ×5, K ×4, L ×4, D ×3, M ×3, P ×3, U ×3, Á ×2, B ×2, J ×2, Y ×2, Z ×2 3 points : C ×1, Č ×1, É ×1, H ×1, Í ×1, Š ×1, Ú ×1, Ý ×1, Ž ×1 Approximately 45 percent of Caucasians are type O (positive or negative), but 51 percent of African-Americans and 57 percent of Hispanics are type O. Minority and diverse populations, therefore, play a critical role in meeting the constant need for blood. Types O negative and O positive are in high demand. Only 7% of the population are O negative.O visa. An O visa is a classification of non-immigrant temporary worker visa granted by the United States to an alien "who possesses extraordinary ability in the sciences, arts, education, business, or athletics, or who has a demonstrated record of extraordinary achievement in the motion picture or television industry and has been recognized ...A, E, I, O, U, L, N, S, T, and R are worth 1 point each. D and G have a value of 2 points. B, C, M, and P are worth 3 points each. F, H, V, W, and Y are assigned values of 4 points each. K is the only tile with a value of 5 points. J and X both have a value of 8 points. Q and Z are worth 10 points each.Mar 12, 2019 · The average person in the United States consumes around 17 teaspoons, or 71.14 grams, of added sugar per day, which far exceeds recommended limits. A gram (g) of sugar contains about 4 calories ... Note: Fractional results are rounded to the nearest 1/64. For a more accurate answer please select 'decimal' from the options above the result.How Many “O” Tiles Are There in Words With Friends? In a standard game of Words With Friends, there are a total of eight “O” tiles. 1. Can I use all eight “O” tiles in a single word? No, you cannot use all eight “O” tiles in a single word. The game board only allows for a maximum of seven tiles to be used in a word. 2.Oxygen makes up 21% of the atmosphere by volume. This is halfway between 17% (below which breathing for unacclimatised people becomes difficult) and 25% (above which many organic compounds are highly flammable). The element and its compounds make up 49.2% by mass of the Earth’s crust, and about two-thirds of the human body.O'Reilly Auto Parts. O’Reilly Automotive, Inc. is an American auto parts retailer that provides automotive aftermarket parts, tools, supplies, equipment, and accessories to professional service providers and do-it-yourself customers. Founded in 1957 by the O’Reilly family, the company operates more than 5,600 stores in 47 states and Mexico. How to Figure Out How Many Zeros in a Million. Trying to figure out how many zeros should be in a large number? Each large number always adds a zero to the number immediately preceding it, starting at 1,000. 1,000 has three zeros. That means that the next large number, ten thousand (10,000), has four zeros. The same goes when you get into the ... In 2019, the O-1 approval rate was 90.8% and RFE was issued in 26.4% of cases, In 2020, the O-1 approval rate was 89.4% and RFE was issued in 30.2% of cases, In 2021, the O-1 approval rate was 91.9%, with still no information about RFE. As it may be observed, the approval rate has recorded few variations during the years, contrary to Requests ...1 oz = 28.34952 g. The mass m in grams (g) is equal to the mass m in ounces (oz) times 28.34952: How to Figure Out How Many Zeros in a Million. Trying to figure out how many zeros should be in a large number? Each large number always adds a zero to the number immediately preceding it, starting at 1,000. 1,000 has three zeros. That means that the next large number, ten thousand (10,000), has four zeros. The same goes when you get into the ...HowManyOfMe is a website in which one can type in a name and see how many people in the United States of America share their name. In 2019, statistics gleaned from the website were used in reaction image memes on Reddit.The average person in the United States consumes around 17 teaspoons, or 71.14 grams, of added sugar per day, which far exceeds recommended limits. A gram (g) of sugar contains about 4 calories ...The "no" rule which means that some items from the list must not occur together. Example: no 2,a,b,c means that an entry must not have two or more of the letters a, b and c. The "pattern" rule is used to impose some kind of pattern to each entry. Example: pattern c,* means that the letter c must be first (anything else can follow)1 point: O ×10, A ×9, E ×8, I ×6, N ×5, S ×5, V ×5, T ×4 2 points : R ×5, K ×4, L ×4, D ×3, M ×3, P ×3, U ×3, Á ×2, B ×2, J ×2, Y ×2, Z ×2 3 points : C ×1, Č ×1, É ×1, H ×1, Í ×1, Š ×1, Ú ×1, Ý ×1, Ž ×1The active duty U.S. Army personnel number has decreased from 2010 to 2021. In 2010, there were 561,979 active duty U.S. Army members, as compared to 482,416 in 2021. The number of active duty U.S ...Sep 2, 2017 · There are 1.3 mol of the entire acid molecule, so there are four as many moles of oxygen as there are of the acid, because one acid contains four oxygens. $4×1.3=5.2$ and 5.2 times Avogadro's constant is (about) $3.1×10^{24}$ atoms. Jun 1, 2023 · Published by Statista Research Department , Jun 1, 2023. In the fiscal year of 2024, the United States Navy estimates there will be a total year-end strength of 347,000 personnel. In the same year ... Jun 1, 2023 · Published by Statista Research Department , Jun 1, 2023. In the fiscal year of 2024, the United States Navy estimates there will be a total year-end strength of 347,000 personnel. In the same year ... Tina Smith January 24, 2020. People with O negative blood often wonder how rare their blood is since it is always in demand by hospitals and blood centers. If you have 0 negative blood, you have something in common with about 7 percent of the US population. Or to put it another way, about 1 in 15 people have O negative blood.Jun 1, 2023 · Published by Statista Research Department , Jun 1, 2023. In the fiscal year of 2024, the United States Navy estimates there will be a total year-end strength of 347,000 personnel. In the same year ... Here’s a general breakdown by size. The calories in each size are based on a large egg containing 72 calories per 50 grams ( 1 ): Small egg (38 grams): 54 calories. Medium egg (44 grams): 63 ...Approximately 45 percent of Caucasians are type O (positive or negative), but 51 percent of African-Americans and 57 percent of Hispanics are type O. Minority and diverse populations, therefore, play a critical role in meeting the constant need for blood. Types O negative and O positive are in high demand. Only 7% of the population are O negative. The data are listed below. California has 55 electoral votes. Texas has 38 electoral votes. Florida has 29 electoral votes. New York has 29 electoral votes. Illinois has 20 electoral votes. Pennsylvania has 20 electoral votes. Ohio has 18 electoral votes. Georgia has 16 electoral votes. But the New American Standard Bible (NASB), the NET Bible, The New Living Translation (NLT) and the New Century Bible have fifteen verses—one more verse. The number of words in each Bible will be significantly different. The number of words in the Greek New Testament are also provided in a link below. Therefore, the information provided in ...1 point: O ×10, A ×9, E ×8, I ×6, N ×5, S ×5, V ×5, T ×4 2 points : R ×5, K ×4, L ×4, D ×3, M ×3, P ×3, U ×3, Á ×2, B ×2, J ×2, Y ×2, Z ×2 3 points : C ×1, Č ×1, É ×1, H ×1, Í ×1, Š ×1, Ú ×1, Ý ×1, Ž ×1In general, the rarest blood type is AB negative and the most common is O positive. Here's a breakdown of the most rare and common blood types by ethnicity, according to the American Red Cross. O ...Feb 21, 2023 · Recommended amount of sleep. Infants 4 months to 12 months. 12 to 16 hours per 24 hours, including naps. 1 to 2 years. 11 to 14 hours per 24 hours, including naps. 3 to 5 years. 10 to 13 hours per 24 hours, including naps. 6 to 12 years. 9 to 12 hours per 24 hours. Much, many, a lot of, lots of : quantifiers - English Grammar Today - a reference to written and spoken English grammar and usage - Cambridge Dictionary O'Charley's is an American casual dining restaurant, with more than 75+ company-owned locations. O'Charley's is located in 15 Southern and Midwestern states.. O'Charley's was part of the parent company O'Charley's, Inc. Enterprise, a multi-concept restaurant company that operated or franchised a total of 363 restaurants under three brands: O'Charley's, Ninety Nine Restaurant, and Stoney River ...Many definition: You use many to indicate that you are talking about a large number of people or things. | Meaning, pronunciation, translations and examplesUSA English. Feb 15, 2010. #5. Some native speakers of nonstandard English use is regularly where standard English has are. In standard English, only are fits the sentence you have given: "How many books are there on the shelf?" because how many books is plural. However, there are sentences in standard English that use are with how many:1 oz = 28.34952 g. The mass m in grams (g) is equal to the mass m in ounces (oz) times 28.34952:Here at Worldatlas.com, we state 195 countries based on the 193 that belong to the United Nations (UN) plus the Holy See (Vatican) and the State of Palestine, which are non-member observer states. Countries span all six populated continents, and although several nations claim Antarctica, no international body legitimizes those efforts.2) many of + [personal] pronoun; 3) many + plural countable noun; 4) many + a + singular countable noun ( a similar meaning to 3), yet more formal ); 5) the + many + plural countable noun ( a more definite meaning ); Nevertheless, "Many" can be used in the comparative structures as well as a pronoun ( recommended for more formal occasions ). e.g.The active duty U.S. Army personnel number has decreased from 2010 to 2021. In 2010, there were 561,979 active duty U.S. Army members, as compared to 482,416 in 2021. The number of active duty U.S ...May 30, 2022 · In 2019, the O-1 approval rate was 90.8% and RFE was issued in 26.4% of cases, In 2020, the O-1 approval rate was 89.4% and RFE was issued in 30.2% of cases, In 2021, the O-1 approval rate was 91.9%, with still no information about RFE. As it may be observed, the approval rate has recorded few variations during the years, contrary to Requests ... So, to find the number of hydrogen atoms in a mole of water molecules, the problem can be solved using conversion factors: 1 molH2O × 6.02 ×1023 moleculesH2O 1mol H2O × 2 atomsH 1 moleculeH2O = 1.20 ×1024 atoms H 1 mol H 2 O × 6.02 × 10 23 molecules H 2 O 1 mol H 2 O × 2 atoms H 1 molecule H 2 O = 1.20 × 10 24 atoms H. Essential oils require dilution for topical usage. Do not use undiluted essential oils on your skin. For facial applications such as masks or oils, a 1% or less dilution is recommended. For massages oils and other leave-on body products, we recommend a 2% dilution, and for other rinse-off bath and body products, we recommend 3%.The average person in the United States consumes around 17 teaspoons, or 71.14 grams, of added sugar per day, which far exceeds recommended limits. A gram (g) of sugar contains about 4 calories ...Type O positive blood is given to patients more than any other blood type, which is why it’s considered the most needed blood type. 38% of the population has O positive blood, making it the most common blood type. O positive red blood cells are not universally compatible to all types, but they are compatible to any red blood cells that are ... Essential oils require dilution for topical usage. Do not use undiluted essential oils on your skin. For facial applications such as masks or oils, a 1% or less dilution is recommended. For massages oils and other leave-on body products, we recommend a 2% dilution, and for other rinse-off bath and body products, we recommend 3%.Many of them are vegetarians. 2. I have much work to do. 3. I don’t have much time. 4. There weren’t many students in the class. 5. Much money has been wasted on this project. 6. You didn’t eat much breakfast. 7. Not much of India is barren. 8. You can’t see much of a country in a week. 9. How many of you are going to be there? 10. You ...

Look at the usage chart and work through the subject exercises. Subject Explanations: Much / Many / A Lot Of. How Much vs How Many. Subject Exercises: Much vs Many Exercise 1 / 2 / 3. How Much vs How Many Exercises 1. How Much vs How Many Exercises 2. Drag and Drop Exercises:. Bulk trash prince george

how many o

Answer. Many of will always be followed by a word such as those, these, them, us, her, his, my, your, our, or the, and a noun, if needed. Many will only be followed by a noun or noun phrase without an article or pronoun. The following examples show how many and many of are used: Correct: Many kids from our school went to the park.In countries such as Austria, Denmark, Norway, and Switzerland, about 45–50% of the population have this blood type, whereas about 40% of Poles and Ukrainians do so. The highest frequencies are found in small, unrelated populations. For example, about 80% of the Blackfoot Indians of Montana have blood type A ... 2) many of + [personal] pronoun; 3) many + plural countable noun; 4) many + a + singular countable noun ( a similar meaning to 3), yet more formal ); 5) the + many + plural countable noun ( a more definite meaning ); Nevertheless, "Many" can be used in the comparative structures as well as a pronoun ( recommended for more formal occasions ). e.g.many: [adjective] consisting of or amounting to a large but indefinite number.In countries such as Austria, Denmark, Norway, and Switzerland, about 45–50% of the population have this blood type, whereas about 40% of Poles and Ukrainians do so. The highest frequencies are found in small, unrelated populations. For example, about 80% of the Blackfoot Indians of Montana have blood type A ... Many. The word many has two common functions: A) It is often used as an adjective that describes a plural noun and tells us that there is a large number of that noun, as in these examples: She worked hard for many years. They were one of the many, many families that came to watch the parade. B) Many is also commonly used as a pronoun, to mean ...U.S. Navy. In the United States Navy, captain was the highest rank from 1775 until 1857, when the United States Congress created the rank of flag officer. [1] The modern rank of captain (abbreviated CAPT) is a senior officer rank, with the pay grade of O-6. It ranks above commander and below rear admiral (lower half). An Ordinary Wizarding Level (often abbreviated O.W.L.) was a series of subject-specific standardised tests taken during Hogwarts students' fifth year. These exams were administered by the Wizarding Examinations Authority and had been around since at least the late 1800s. Each subject had its own O.W.L. exam. The score achieved by a student on a particular O.W.L. determined whether or not that ...There is one count that puts the English vocabulary at about 1 million words — but that count presumably includes words such as Latin species names, prefixed and suffixed words, scientific terminology, jargon, foreign words of extremely limited English use and technical acronyms. [39] [40] [41] Urdu. 264,000. 264000.The O was for 20-year-old Odee Perry, a gang member gunned down just around the corner on a summer’s night in 2011. His killer? ... Many of those gang members moved about three blocks away, to ...Here at Worldatlas.com, we state 195 countries based on the 193 that belong to the United Nations (UN) plus the Holy See (Vatican) and the State of Palestine, which are non-member observer states. Countries span all six populated continents, and although several nations claim Antarctica, no international body legitimizes those efforts.Essential oils require dilution for topical usage. Do not use undiluted essential oils on your skin. For facial applications such as masks or oils, a 1% or less dilution is recommended. For massages oils and other leave-on body products, we recommend a 2% dilution, and for other rinse-off bath and body products, we recommend 3%.Much, many, a lot of, lots of : quantifiers - English Grammar Today - a reference to written and spoken English grammar and usage - Cambridge Dictionary Much, many, a lot of, lots of : quantifiers - English Grammar Today - a reference to written and spoken English grammar and usage - Cambridge Dictionary Answer. The usage of 'much' and 'many' depends on whether the noun it modifies is a count noun or a noncount noun (read about these types of nouns here ). Use 'much' with noncount nouns and use 'many' with count nouns. In the example sentence, 'exercise' is a noncount noun so you should use 'much': How much exercise do you do?.

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