Which of the following describes the entropy change of a gas reaction? O A. If there is an increase in the number of gas molecules, then AS< 0. OB. If there is an increase in the number of gas molecules, then AS = 0. O C. If there is an increase in the number of gas molecules, then AS> 0. O D. The change in entropy cannot be predicted in a gas reaction.​

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

What is another way to determine mass times acceleration?

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