An aqueous solution has a hydroxide-ion concentration of 1.0 x 10-3M. What is the pH of the solution?

a 7

b - 3

c 11

d 3

Calculate the activation energy (ea in kj/mol for a reaction if the rate constant (k is 2.7 * 10-4 (m-1sec-1 at 600 k and 3.5 * 10-3 (m-1sec-1 at 650 k.

Glucose is stored as what in plants

The half-life of phosphorus-32 is 14.26 days. calculate its decay constant. express the decay constant numerically in inverse days.

Write a small paragraph to describe the life cycle of a flowering plant. Use the words: Germinate, pollinate, seedling.

Which statement about Dalton's law of partial pressure is true? The total pressure exerted by a mixture of gases is equal to the lowest pressure exerted by a gas in the mixture.

The currents of the Earth's oceans are caused by A. marine organisms and volcanic eruptions. B. disturbances by submarines and large ships. C. waves and earthquakes along tectonic plate boundaries. D.

You are on an alien planet where the names for substances and the units of measures are very unfamiliar. Nonetheless, you obtain 19 quibs of substance called skvarnick.

How do you know if an element is an ion?

Which gas is not a greenhouse gas, A methane, B Water Vapor, C, Carbon dioxide, D, Nitrogen, E, Ozone

A very small equilibrium constant means ... a. an equal amount of reactants and products c. more products b. more reactants d. system isn't at equilibrium