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46 solutions

Stoichiometry

Q. a. Use the following reaction to determine how much of each product would be released if 42 000 kg (42 tonnes) of methyl isocyanate reacted with excess water: methyl isocyanate+water→1,3-dimethyl urea+carbon dioxide 2C2H3NO+H2O→C3H8N2O+CO2

Solved • Aug 22, 2019

Stoichiometry

Q. Vehicle air bags require that a very specific amount of gas is created so that the gas inflates the airbag without causing it to rupture. Commonly, this is accomplished by decomposing sodium azide (NaN3) to produce sodium metal and nitrogen gas. How much sodium azide is required to produce 80.0 g of nitrogen gas?

Solved • Aug 22, 2019

Stoichiometry

Q. When hexane (C6 H14) is burned in oxygen, the products are carbon dioxide and water. Write a balanced equation for this reaction and identify the mole ratios between hexane and oxygen and between hexane and carbon dioxide. What mass of carbon dioxide is produced by the complete combustion of 48.0 g of hexane? use balanced equation from the previous question

Solved • Aug 21, 2019

Stoichiometry

Q. When baking soda (sodium bicarbonate, NaHCO3) is heated, it releases carbon dioxide gas, which is responsible for the rising of cookies, donuts, and bread. a. Write a balanced equation for the decomposition of the compound (one of the products is Na2CO3). b. Calculate the mass of NaHCO3 required to produce 15 grams of CO2. c. Calculate the mass of carbon atoms produced in the reaction.

Solved • Jul 14, 2019

Stoichiometry

Q. What mass (in g) of silver oxide, Ag20, is required to produce 26.3 g of silver sulfadiazine, AgC10H9N4S02, from the reaction of silver oxide and sulfadiazine? t 2 C10H1oN4S02 + Ag2O —› 2 AgC10H9N4S02 + H2O

Solved • Jul 8, 2019

Stoichiometry

Q. Urea, CO(NH2)2, is manufactured on a large scale for use in producing urea-formaldehyde plastics and as a fertilizer. What is the maximum mass (in kg) of urea that can be manufactured from the CO2 produced by combustion of 1.78x 103 kg of carbon followed by the reaction CO2(g) + 2 NH3(g) CO(NH2)2(s) + H20(/)?

Solved • Jul 8, 2019

Stoichiometry

Q. For the unbalanced reaction CaSO4 + NaCl -> CaCl2 + Na2SO4 a. How much CaSO4 (in kg) is required to produce 1 mole of Na2SO4? Assume NaCl in excess b. How much Na2SO2 (in kg) is produced using 80 kg of NaCl? Assume CaSO4 is in excess

Solved • Jul 1, 2019