In the reaction 2ca + o2 → 2cao for every 2 ca you will need how much o2? a. 1 c. 3 b. 2 d. 4

In medium-sized stars such as the sun, nuclear fusion almost always means the fusing of nuclei to form , but larger stars can produce elements as heavy as

The specific heat of a certain type of cooking oil is 1.75 cal/ (g c) how much heat energy is needed to raise the temperature of 2.67 kg of this oil from 23 c to 191 c

The chemical name for laughing gas is dinitrogen oxide. the two elements found in a sample of this gas are and