8. which change in state is associated with the heat of vaporization,

1. solid to liquid

2. liquid to vapor

3. solid to vapor

4. liquid to solid

Why do alkaline earth metals always form 2 + ions

What is the chemical composition of bituminous coal?

What is an atom with 2 protons

4.659*10^4-2.14*10^4

The equilibrium constant for the reaction H2 (g) + I2 (g) 2 HI (g) Kp is 54.4. What percent of I2 (g) will be converted to HI (g) is 0.200 moled each of H2 (g) and I2 (g) are mixed and allowed to come to equlibrium in a 1.00 liter container?

Can magnetism be used to identify a substance

Nitrogen dioxide dimerizes to give dinitrogen tetroxide: 2NO2 (g) → N2O4 (g). At 298 K, 12.55 g of an NO2/N2O4 mixture exerts a pressure of 0.963 atm in a volume of 6.92 L. What are the mole fractions of the two gases in the mixture?

What is the concentration of a solution, in gsolute/100gsolvent, made using 2.83 g of KNO3 in 2.03 g of H2O? Do not include units in your answer.

Why does pressure change in this way? Select all that apply.

Will platinum (pt) metal react with a lead (ii) nitrate solution?