Abook is pushed across a table with a force of 5 n. the book hits a wall with the same amount of force. what happens to the book's motion?

How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)

Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?

What is the maximum amount of al2(so4)3 which could be formed from 15.84 g of al and 12.89 g of cuso4?