On the summit of Mt. Everest, the atmospheric pressure is 210. mmHg and the air density is 0.429 g/L. Assume that the molar
mass of air is 29.0 g/mol. Calculate the temperature (in °C) at
the summit. °C

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.