A second-order reaction starts with an initial concentration of 0.200 mol/L of the reactant. If the rate constant is 3.9 × 10–2 L/mol·s, what is the time required to decrease the initial concentration to 0.070 mol/L?

Free answer. the treaty of versailles ended world war i, but some of the terms of the treaty contributed to the beginning of world war ii. which was one of the terms of the treaty? the answer would be "germany was forces to pay reparations to the allied countries.". i hope this .

The identities of substances are the same before and after which type of change

Complete each row of the table below by filling in the missing prefix or missing exponent.