Evaporation is a process that requires energy to occur. Evaporation is a (n)

reaction.

What is The maximum amount of a substance that can be dissolved by another substance

When forces attracting solvent particles to each other are broken, what is provided for a solution?

What units are generally used for solubility?

Name the 3 seperate metals group

Calculate ∆h0 for the reaction 2 n2 (g) + 5 o2 (g) - → 2 n2o5 (g) given the data h2 (g) + 1 2 o2 (g) - → h2o (ℓ) ∆h 0 f = - 283.7 kj/mol n2o5 (g) + h2o (ℓ) - → 2 hno3 (ℓ) ∆h0 = - 78.

What is a MSDS? A document that identifies chemical hazards associated with compounds. Part of a Biosafety manual. Identifies all chemical reactions. Outlines calibration standards.

What mass of Na2SO4 is needed to make 2.0 L of 3.0 M solution? (Na=23g; S=32g; O=16 g)

Why is tape attracted to my skin? Give explanation

Food deteriorates more slowly in a refrigerator because

What occurs in a chemical reaction? Products are formed from reactants by the breaking and forming of new bonds. Products are formed without chemical bonds being broken. Reactants are formed without chemical bonds being broken.