Select the statement that best describes the relationship between gas pressure and volume (Boyle’s law).

Calculate the molar mass of a gas if 0.183 g of this gas occupies 0.280 L at 0.930 atm and 295 K. Show all your work for full credit. Use the correct number of significant figures.

What is the final volume of a sample of gas initially occupying 3.75 L at 5.0oC and 1.40 atm pressure after its pressure is increased to 5.25 atm and its temperature is increased to 57.0oC?

Calculate the molar mass of a gas if 0.728 g of this gas occupies 0.250 L at 0.955 atm and 297 K. Show all your work for full credit. Use the correct number of significant figures.

A sample of 0.775 mol of CO2 occupies a volume of 1.50 L. What will the volume be if the number of moles of CO2 is increased to 1.25 mol, with no change in temperature or pressure ?

Determine whether the following reaction is a redox reaction. If it is, identify the element that is oxidized, the element that is reduced, the oxidizing agent, and the reducing agent. Mg(s) + 2HCl(aq) → MgCl2 (aq) + H2(g)

Describe the relationship between gas volume and Kelvin temperature when the pressure is constant (Charles’s law).

Use the following enthalpies of formations (∆Hof): C6H6(l) H2O(g) CO2(g) ∆Hof 49 kJ/mol -242 kJ/mol -394 kJ/mol to calculate the standard enthalpy of reaction (∆Horxn) for the following reaction: 2C6H6(l) + 15O2(g) → 12CO2(g) + 6H2O(g) ∆Horxn = ?

Calculate the pressure of 2520 moles of hydrogen gas stored at 27.0oC in the 180. L storage tank of modern hydrogen-powered car.

Calculate the enthalpy change for the following reaction: 2C2H4(g) + H2O(l) → C4H9OH(l) ∆H = ? Given the following reactions and their ∆H values: 2CO2(g) + 2H2O(l) → C2H4(g) + 3O2(g) ∆H = 1411.1 kJ C4H9OH(l) + 6O2(g) → 4CO2(g) + 5H2O(l) ∆H = -1534.7 kJ