How many atoms does 2.0 moles of He represent

WHICH Correctly states the temperature at which the reaction took place and whether the reaction is spontaneous or nonspontaneous? Use AG AH-TAS 0.30 K, spontaneous 1.92 K, spontaneous 297.8 K, nonspontaneous 1.924 K, nonspontaneous

Using the equation c6h6 + cl2 = c6h5cl + hcl what is the theoretical yield of c6h5cl if 91.2 of c6h6

A container of gas is at a pressure of 1.3x10^5 Pa and a volume of 6 m^3. How much work is done by the gas if it expands at a constant pressure to twice its initial volume.

Using the periodic table, complete the following. Element: hydrogen symbol: H2 Molecular weight: Mass of one mole: g/mol

Something that affects the rate of a chemical reaction without being changed itself

How many daughter cells are produced in meiosis?

Sodium chlorite - > sodium chloride + oxygen what type of chemical reaction is represented by this equation

The mixing of which pair of reactants will result in a precipitation reaction? the mixing of which pair of reactants will result in a precipitation reaction?

A balloon has 18.9 moles of hydrogen gas at a volume of 428 L. What would the volume of the gas be if the balloon had 14.0 moles of hydrogen gas left after 1 day?

An analytical chemist is titrating 242.5 mL of a 1.200 M solution of hydrazoic acid HN3 with a 0.3400 M solution of NaOH. The pKa of hydrazoic acid is 4.72. Calculate the pH of the acid solution after the chemist has added 1006.