A 25-L container holds ideal hydrogen (H2 ) gas at a gauge pressure of 0.25 atm and a temperature of 0°C
What mass of hydrogen gas is in this container? The ATOMIC mass of hydrogen is 1.0 g/mol, the ideal gas constant is R = 8.314 J/mol•K = 0.0821 L ? atm/mol ? K, and 1.00 atm = 101 kPa.
A) 1.4 g
B) 2.8 g
C) 4.2 g
D) 5.6 g
E) 6.3 g
B
You might also like to view...
As a spaceship's velocity gets closer to the speed of light
A) its length will increase and its clock will run more slowly. B) its length will decrease and its clock will run faster. C) its length will increase and its clock will run faster. D) its length will decrease and its clock will run more slowly. E) None of these will happen.
The insulation in walls uses which of the following methods to prevent heat transfer?
a. Conduction b. Convection c. Radiation d. Conduction and convection e. All of these
A copper cable is to be designed to carry a current of 300 A with a power loss of only 2.0 watts per meter. What is the required radius of the copper cable? (The resistivity of copper is 1.7 × 10^?8 ? / m.)
Compressions and rarefactions are characteristics of
A) longitudinal waves. B) transverse waves. C) both of these D) need more information