Which coefficients balance this equation?

_H2 + _N2 - > _NH3

A. 1, 2, 3

B. 2, 3, 2

C. 3, 1, 2

D. 4, 1, 3

Which part of the atom is involved in bonding?

which value is expected to be the largest? heat of fusion, heat of vaporization, specific heat of a liquid, specific heat of a solid, or specific heat of a gas?

A balanced ball on a basketball hoop is potential energy or kinectic energy?

A 6 kg rock is sitting at the edge of a 100 m tall cliff. What is the potential energy of the rock with respect to the ground?

Students performed a procedure similar to Part II of this experiment (Analyzing Juices for Vitamin C Content) as described in the procedure section. Three 10.00mL samples of juice were titrated with DCP that had a standardized concentration of 9.

25 In general, for a gas at a constant pressure, A the temperature of the gas is inversely proportional to its volume B. the temperature of the gas is inversely proportional to its pressure C.

The vapor pressure of ethanol is 54.68 mm Hg at 25 °C. A nonvolatile, nonelectrolyte that dissolves in ethanol is saccharin. Calculate the vapor pressure of the solution at 25 °C when 8.054 grams of saccharin, C7H5NO3S (183.

What do microscopic producers supply the atmosphere with?

A particular form of electromagnetic radiation has a frequency of 8.11 x 10^14 hz. What is the energy in joules of one quantum of this radiation?

Which transition elements in the first transition series have anomalous electron configurations?