How many joules are required to raise the temperature of 55.0 g of H2O(l) from 15°C to 45°C? A. 8155.3 J
B. 551100 J
C. 1650 J
D. 6903.6 J

List four observations that indicate that a chemical reaction may be taking place

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

Why are people not able to skip a dive to the deepest part of the ocean