This is the chemical formula for nickel tetracarbonyl (a powerfully poisonous liquid used in nickel refining): Ni(CO), A chemical engineer has determined by measurements that there are 34. moles of carbon in a sample of nickel tetracarbonyl. How many moles of oxygen the sample? Be sure your answer has the correct number of significant digits.

Green plants use light from the Sun to drive photosynthesis, a chemical reaction in which liquid water and carbon dioxide gas form aqueous glucose (C6H12O6) and oxygen (O2) gas. Calculate the moles of oxygen produced by the reaction of 2.20 mol of water. Be sure your answer has a unit symbol, if necessary, and round it to 3 significant digits.

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Gaseous ammonia chemically reacts with oxygen (0,) gas to produce nitrogen monoxide gas and water vapor. Calculate the moles of water produced by the reaction of 0.090 mol of oxygen. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. 回 国

Liquid octane (CH3(CH,) CH;) will react with gaseous oxygen (02) to produce gaseous carbon dioxide (Co,). сн) (H2O). Suppose 63. g of and gaseous water octane is mixed with 90.2 g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Round your answer to 3 significant digits.

This is the chemical formula for methyl tert-butyl ether (the clean-fuel gasoline additive MTBE): CH;OC(CH,), A chemical engineer has determined by measurements that there are 93.9 moles of hydrogen in a sample of methyl tert-butyl ether. How many moles of oxygen are in the sample? Be sure your answer has the correct number of significant digits. Omol ?

A chemist measures the amount of iodine solid produced during an experiment. He finds that 5.77 g of iodine solid is produced. Calculate the number of moles of iodine solid produced. Be sure your answer has the correct number of significant digits. | mol