Given the general chemical equation A + 2B → 2C + D, what is the limiting reactant if 2.0 mol of A are exposed to 6.2 mol of B?

a. A
b. B
с. С
d. D

How many joules of heat are absorbed to raise the temperature of 650 grams of water from 5.00c to it's boiling point, 100c

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?