Spontaneous recovery is usually a permanent reappearance of a conditioned response.

a. True

b. False

Hydrazine, N2H4, is a corrosive liquid used in rocket and jet fuels. Ammonia, NH3, is a gas that dissolves in water to form a solution that can be used as a cleaning agent.

Is Fe2O3+H2--2Fe+3H2O balanced or unbalanced?

Why was daltons theory more successful than Democritus's theory

An increase in the temperature of reactant causes an increase in the rate of reaction. Which of the following is the best explanation?

if a sample if pure sodium bas a mass of 8.2 grams and sodium has an average atomic mass of 22.99 g/mol, how many sodium atoms are there in the sample?

Reaction rate lab report

The absence of which cell structure would indicate a cell is prokaryotic?

When 0.880 g of an organic compound containing carbon, hydrogen and oxygen is burned completely in oxygen, 1.760 g of co2 and 0.720 g h2 o are produced. what is the empirical formula of the compound?

In ammonium chloride salt (nh4cl) the anion is a single chloride ion, cl. what is the cation of nh4cl

What does copper II sulfate do to the enzyme activity?