In a mixture of hydrogen and helium gases, the mole fraction of helium is 0. 750. If the partial pressure of hydrogen in the mixture is 75 torr, what is the total pressure of the mixture?.
How would i word a theoretical question to describe the linear relationship between states, gender, and age of individuals who were in fatal alcohol-related traffic accidents?
What are the three stages of volcanic activity? a. active, magma, lava c. extinct, eruption, explosive b. eruption, quiet, explosive d. active, dormant, extinct