In this equation, 2Mg + O2 → 2MgO, what is the coefficient of the oxygen molecule?

a. 2

b. 1

c. 4

d. 0

A bottle of deodorant should kept away from sunlight n high temperature why?

Koolaid is a solution. What is the solute? What is the solvent?

How many hydrogen atoms are in 5 molecules of isopropyl alcohol, c3h7o?

On the periodic table there are columns that go up and down. Elements that are in the same column A) Tend to have properties that are different B) Tend to have properties that are similar C) Tend to have similar atomic mass D) Tend to have different

If the solvent is a liquid, then the solute: can only be a gas can only be a liquid must be either a gas or liquid may be a solid, liquid or a gas

The definition of volume is? a) width*height b) the space occupied by mass c) the space occupied by a liquid d) the mass of liquid required to fill a container

What is the empirical formula of a substance that is 53.5% C, 15.5% H, 31.1% N?

What is the lowest layer of the atmosphere and what is its highest altitude?

An atom that has 84 protons and 86 neutrons undergoes a reaction. At the end of the reaction, it has 82 protons and 84 neutrons. What happened to the atom?

A compound of material formed by a chemical is known as?