A small rock is heated and placed in a foam cup calorimeter containing 15.0 mL of water at 25.0*C. The water reaches a maximum temperature of 35.2*C. How many joules of heat are released by the rock? (Show all work including the equation you use to solve). (3 points).

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.

What is the main reason why some developing countries fear the increase the free trade policies around the world?

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false