What is the gram molecular mass of a gas that has a density of 1.78 grams per liter at STP? Round your answer to the nearest tenth of a gram.

Which of the following might a chemist choose to study? a. glacier movement in alaska b. better ways to recycle plastics c. the effects of hurricanes on turtle populations d. the vibrations in bridges caused by big trucks

What is the overall order of reaction for rate = k[no]2[o2]

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?