A gas that has a volume of 30 liters, a temperature of 46.0 C, and an unknown pressure has its volume increased to 36 liters and its temperature decreased to 35.0 C. The pressure after the change is 2.50 atm. What was the original pressure of the gas?

The crust of earth may a- continets and ocean floors. b-continents only. c-layers of sedimentary rocks and continents. d-all of the above

Why is the vapor pressure of a warm lake higher than the vapor pressure of a cold lake? o a. warm water has a greater heat of vaporization. ob. warm water evaporates more quickly. cool water evaporates more quickly. od. cool water has a greater heat of vaporization.

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5