How many milliliters of H2 can be made from 1.98 x 10^3 mL C5H12? C5H12(l) --> C5H8(l) + 2H2(g)

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

What is a metal replacement reaction