Questions and Exercises 1. State the ideal gas law in equation form. What does each symbol in the equation stands for and what is its proper units? 2. 0.190 g of a gas occupies 250.0 mL at STP. What is its molecular weight? What gas is it? 3. Calculate the molecular weight of a gas if 35.44 g of the gas stored in a 7.50 L tank exerts a pressure of 60.0 atm at a temperature of 35.5 °C.

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Chapter1: Chemical Foundations
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Ideal Gas Law Molecular Weight of a Vapor
Pre-laboratory Questions and Exercises
Due before lab begins. Answer on separate sheet of paper.
Questions and Exercises
1. State the ideal gas law in equation form. What does each symbol in the equation stands for and what is its
proper units?
2. 0.190 g of a gas occupies 250.0 mL at STP. What is its molecular weight? What gas is it?
3. Calculate the molecular weight of a gas if 35.44 g of the gas stored in a 7.50 L tank exerts a pressure of
60.0 atm at a temperature of 35.5 °C.
4. Compute the approximate density of methane gas, CH4(g), at 20 °C and 5.00 atm. The molecular weight of
methane is 16 g/mole.
5. If the density of carbon monoxide is 3.17 g/L at -20 °C and 2.35 atm, what is the approximate molecular
weight of carbon monoxide.
Transcribed Image Text:Ideal Gas Law Molecular Weight of a Vapor Pre-laboratory Questions and Exercises Due before lab begins. Answer on separate sheet of paper. Questions and Exercises 1. State the ideal gas law in equation form. What does each symbol in the equation stands for and what is its proper units? 2. 0.190 g of a gas occupies 250.0 mL at STP. What is its molecular weight? What gas is it? 3. Calculate the molecular weight of a gas if 35.44 g of the gas stored in a 7.50 L tank exerts a pressure of 60.0 atm at a temperature of 35.5 °C. 4. Compute the approximate density of methane gas, CH4(g), at 20 °C and 5.00 atm. The molecular weight of methane is 16 g/mole. 5. If the density of carbon monoxide is 3.17 g/L at -20 °C and 2.35 atm, what is the approximate molecular weight of carbon monoxide.
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