2. As ice cools from 273 K to 263 K, the average kinetic energy of its molecules will
(1) decrease
(2) increase
(3) remain the same

Omg imgonnafailnfiedkla use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration.

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?

In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)