Question

When heated to 350 ∘C at 0.950 atm, ammonium nitrate decomposes to produce nitrogen, water, and oxygen gases: 2NH4NO3(s)→2N2(g)+4H2O(g)+O2(g)

Part A How many liters of water vapor are produced when 25.7 g of NH4NO3 decomposes? Express your answer with the appropriate units. V =

Part B How many grams of NH4NO3 are needed to produce 11.4 L of oxygen? Express your answer with the appropriate units. m =

When solid CaCO3 is heated, it decomposes to give solid CaO and CO2 gas. A volume of 765 mL of gas is collected over water at a total pressure of 730 mmHg and 16 ∘C. The vapor pressure of water at 16 ∘C is 14 mmHg. CaCO3(s)→CaO(s)+CO2(g)

Part A What was the partial pressure of the CO2 gas? Express your answer with the appropriate units. PCO2 P C O 2 =

Part B How many moles of CO2 gas were in the CO2 gas sample? Express your answer with the appropriate units. n =

Answer 1