a sample of chlorine gas is confined in a 3.0-L container at 542 torr and 37 C. how many moles of gas are in the sample? (please help me)

The reaction q+r2=r2q is found to be first order in r2 and

Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water

The table lists pressure and volume values for a particular gas. which is the best estimate for the value of v at p = 7.0 × 103 pascals?