Chemistry

Chemistry, 05.07.2019 02:50, xmanavongrove55

Carbon dioxide is a gas with the relative formula mass of 44. calculate the mass of the 36 dm3 of the co2 at room temperature? ? ? anyone who get chhemisty

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Chemistry, 24.07.2019 04:30, drey10

During the combustion of coal, the carbon in coal reacts with the oxygen in the atmosphere to form carbon dioxide. a, b, and c represent the masses of compounds either used up or formed by the combustion of coal. a = 12 grams, b = 44 grams, c = 32 grams which of the following statements supports the conclusion that combustion of coal follows the law of conservation? a.the total mass of a and c, which are carbon dioxide and oxygen, is equal to the mass of b, which is carbon. b.the total mass of a and c, which are carbon and oxygen, is equal to the mass of b, which is carbon dioxide. c.the total mass of b and c, which are carbon and oxygen, is greater than the mass of a, which is carbon dioxide. d.the total mass of a and b, which are carbon and oxygen, is greater than the mass of c, which is carbon dioxide. you to whoever tries to answer this and i will give brainliest if your answer is right! edit: nevermind! i did more research and for whoever is also trying to find the answer to this question the correct one is b.!

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Chemistry, 30.07.2019 15:10, laywah4

The relative molecular mass of an alkanol x is 60.0. x contains 60% of carbon by mass. (a) calculate the number of moles of carbon in one mole of x and hence deduce the molecular formula of x. (b) draw one possible structure of x and give its systematic name.

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Chemistry, 13.09.2019 21:30, Jocelynlboyd123

The air in a 22°c room contains water at a partial pressure of 14 mm hg, what is the relative humidity? 1. (#20 from textbook). a 1000 m2 room at 27°c has a relative humidity of 80%. what mass of water must be removed to reduce the relative humidity to 45%? 2. (#23 from textbook). the weatherman states that the current temperature is 95°f and the dew point is 74°f. what is the current relative humidity? 3. ideal gas law & gaseous mixtures 4 life on planet eitemax is tough. the surface is composed of oceans of nearly pure liquid chloroform (chci) the atmosphere on eitemax acts like an ideal gas and on a chloroform-free basis is composed of a mixture of 35 mole% chlorine (cl) 55 mole% carbon monoxide (co) 10 mole% carbon dioxide (co2) on eitemax, the ambient temperature is 2°f, and the total pressure is 610 mm hg (torr). if the average molecular weight of the chloroform-containing gases in the atmosphere is 50 g/mol, what is the volume of atmospheric gas that contains one kilogram of gas? the air in a 22°c room contains water at a partial pressure of 14 mm hg. what is the mass of the water present in the room? can you solve this problem? why or why not?

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Chemistry, 27.09.2019 06:00, ZVSaniya0420

When heated, calcium carbonate goes through a chemical reaction, and produces calcium oxide (quick lime) powder and carbon dioxide gas. a chemist performed this reaction in a lab and found that the mass of the calcium oxide (quick lime) was less than the mass of the calcium carbonate. what is the reason behind this decrease in mass? a. the carbon dioxide molecules produced were unstable and lighter in mass. b. calcium oxide crystals produced break up at room temperature, leading to the difference in c. carbon dioxide is produced, and as a gas, it was not captured to measure its mass. d. the calcium oxide crystals produced were unstable and lighter in mass. reset submit

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