What term is used when heat is absorbed by a reaction, thus leaving the surroundings colder

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

How have the greenhouse gasses increased from the year 2000 to 2018

Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m