This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: How many moles of gas would be present in a gas trapped within a 100.0 mL vessel at 25.0 °C at a pressure of 2.50 atmospheres? At STP 3.00 liters of an unknown gas has a mass of 9.50 grams. Calculate its molar mass. A 30.6 g sample of gas occupies 11.2 L at STP. What is the molecular mass of this gas? Name:_______________ CH 104 Homework #20 What is the pressure exerted by 58.34 grams of argon gas contained in a steel box measuring 3ft x 2ft by 4ft at a temperature of 70 degrees Fahrenheit? Define volatile, in terms of a substance not a person....
View Full Document
- Fall '09
- Mass, Atomic mass unit, 3ft, 2ft