What is the rate of change in velocity?

Which of the following are correct values for the ideal gas laws constant r

The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next