What is used to reduce energy loss?

conductors

currents

radiators

insulators

What form of energy is used in cooking?

An iron fence is left unpainted, and it reacts to the oxygen in the air, forming rust. the formation of rust is an oxidation-reduction reaction, but it also is an example of a?

For a liquid substance, which item increases as heat is applied? density mass volume Odensity and volume

What is the number of protons in this carbon atom?

A brownish fossil that can be found in rock and contains the remains of an organism is

The pH of the acid in the stomach is 2. When a person has heartburn, the acid in their stomach is coming up the esophagus (lower throat) and burning the lining of the esophagus. Why would a person take an Alka Seltzer tablet for heartburn?

Calculate the photon energy (in joules) for the light emitted from the hydrogen atom if ninitial = 4 and nfinal = 2.

The distance from one place to another

What is the purpose of a cell membrane

More polar solvents (eluents) move molecules more rapidly than less polar solvents. If you used a 1:1 hexanes:methanol mixture as solvent, would you expect the products to elute faster or slower?