Chem120week4assignment Study guides, Class notes & Summaries

CHEM120 Week 4 Assignment: Gas and Acid/Base Chemistry – With 100% Correct Answers 1. Solve these ideal gas law problems. Show all work for credit. a. A gas occupies 250 mL at 739 mmHg. For a ga s at constant temperature, determine the volume of gas at 514 mmHg. (1 points) P*V=P*V 739*250 = 514*V 184750/514 = 359 b. Use the molar volume of a gas, at STP, to determine the number of moles of CO2 in 4.00 L of CO2 gas. (1 points) 22.4L/mol 4*(1/22.4) 0.179 c. A sample of nitrogen (N2) has a volume...