1.) How many grams of F2 gas are there in a 5.00-L cylinder at 4.00 x 103 mm Hg and 23°C?

a) 19.5 g

b) 41.1 g

c) 500 g

d) 2.96 x 104 g

2.) A 4.00-L flask contains nitrogen gas at 25°C and 1.00 atm pressure. What is the final pressure in the flask if an additional 2.00 g of N2 gas is added to the flask and the flask cooled to -55°C?

a) 0.319 atm

b) 1.05 atm

c) 1.44 atm

d) 1.96 atm