Answer to Question #132361 in General Chemistry for Nye

Question

If the concentration of a gas dissolved in water at a certain temperature and one atmospheric pressure is 0.00035 M. Calculate the concentration of the gas at 1.5 atmospheric pressure.

and

For a first order reaction, k= 0.0025 /s, if the initial concentration of the reactant is 2.50 M, a) calculate the concentration of the reactant after 200 second.

b) calculate the half-life of the reaction.

Answer 1

0.000233moles

0.3325 moles