What are the three properties of gems?

6Li + N2 2Li3N If 12 mol of lithium were reacted with excess nitrogen gas, how many moles of lithium nitride would be produced? 4.0 mol 6.0 mol 12 mol 36 mol

a 3.0 M solution of HCl can be prepared from a 12.0 M solution by diluting 30 L of the 12.0 M solution ith suffient distilled water to a final volume of

If heat energy is removed from a sample of water the water will most likely?

An atom is composed of protons, neutrons, and electrons. What is the electric charge on an electron? +2 0 -1 +1

Which definition of heat is most scientifically accurate? A. how hot or cold something is B. a measure of the thermal energy in matter C. the temperature of the thermal energy in an object D. the movement of thermal energy from one place to another

The rate constant is found to be 3.9 x 10-5 M-1 s-1. Calculate the rate of formation of ozone when the concentration of oxygen atoms is 3.0 x 10-14 molar and the concentration of diatomic oxygen is 1.3 x 10-14 molar.

The element Oxygen, O, is an example of which of the following? Question 8 options: A compound B molecule C atom D mixture

The measurement 0.41006 gram, rounded to three significant figures, is expressed as

1. When adding strong base to a buffer, why can we assume the equilibrium value of the OH - is zero?

When acid (X) reacts with base (Y) to produce Mg3 (PO4) 2 - what are X and Y