What must be balanced on the left side of an equation with the atoms on the right side of the equation? total number of molecules total number of atoms total number of compounds free electrons

Do molecules gain or lose energy in evaporation.

How does the kinetic energy of a substance's particles in the gas phase compare to their kinetic energy in the solid phase?

If you mix sodium chloride with cold water will it explode. True or False

What is a delta? how is delta fo rmed?

Given the fictitious chemical equation below 2 cups of tea 1 tablespoon of dry tea + 2 cups of water What is the appropriate stoichiometric factor relating the two "reactants"? Calculate the Molar Ratios From Balanced Equations

When a solution is considered to have a high concentration of hydrogen ions (H+) is also considered to be? a) acidic b) basic c) neutral d) hot

Why does the sky change colors at sunset? 1 because the sun changes colors 2 because the atmosphere reflects colors 3 because long wavelengths are scattered the least 4 because short wavelengths are scattered the least

Consider the reaction N2 (g) + 3 H2 (g) 2 NH3 (g), which is exothermic as written. What would be the effect on the equilibrium position of adding N2 (g) ?

According to Table I, which equation represents a change resulting in the greatest quantity of energy released? 1. 2C (s) + 2H2 (g) - > C2H4 (g) 2. 2C (s) + 3H2 (g) - > C2H6 (g) 3. N2 (g) + 3H2 (g) - >2NH3 (g) 4. N2 (g) + O2 (g) - > 2NO (g)

Calculate the number of liters in 3.25 g of ammonia