What is the average kinetic energy kavg of the hydrogen molecules at a temperature of 100k? assume that the molecules have only three degrees of freedom at this temperature?

A 30.00 ml ba (oh) 2 solution of unknown concentration was neutralized by the addition of 32.83 ml of a 0.1382 m hcl solution. write the balanced molecular equation for the neutralization reaction between hcl and ba (oh) 2 in aqueous solution.

In what order do electrons fill orbitals within the 3p sublevel? Electrons don't fill orbitals; protons and neutrons fill orbitals. They double up first, then move on to the next orbital when the first is full.

Write down the ways to increase how often solute particles come in contact with other solvent particles.

How many grams of Cl2 will be produced along with 250.0 kJ of heat in the following reaction? PCl5 (g) + 87.9 kJ PCl3 (g) + Cl2 (g)

What historical event began global warming and acid rain

How much energy is needed to convert 57.3 grams of ice at 0.00°c to water at 75.0°c? specific heat (ice) = 2.10 j/g°c specific heat (water) = 4.18 j/g°c heat of fusion = 333 j/g heat of vaporization = 2258 j/g?

A certain first-order reaction (A→productsA→products) has a rate constant of 9.90*10-3 s-1s-1 at 45 ∘C∘C. How many minutes does it take for the concentration of the reactant, [A][A], to drop to 6.

Assign the oxidation number for (NH4) 3PO4

When gold is melted and formed in a mold to make a piece of jewelry, what type of change is taking place?

Do pure substances have the same chemical and physical properties