After a reaction has gone to completion, it is not reversible.

Calculate the energy E of a sample of 3.50 mol of ideal oxygen gas (O2) molecules at a temperature of 310 K. Assume that the molecules are free to rotate and move in three dimensions, but ignore vibrations.

What is the δg for the following reaction at 25°c? so3 (g) h2o (l) → h2so4 (l) given: so3 (g) : δg = - 368 kjper mole h2o (l) : δg = - 237 kj per mole h2so4 (l) : δg = - 689.9 kj per mole

How much heat is absorbed by 20g granite boulder as energy from the sun causes its temperature to change from 10 degrees Celsius to 29 degrees Celsius (specific heat capacity of granite is 0.1 cal/g degrees Celsius

The formula mass of any compound is described in units of

What are transferred in an oxidation-reduction reaction? a. protons b. ions c. electrons d. atoms

Explains why heating a liquid affects its viscosity? The molecules move faster at higher temperatures and overcome attractions more easily. The molecules move faster at higher temperatures, and the attractions between them increase.

Which of the following is a correct procedure for the operation of a microscope? A. Use the fine focus knob with the low power lens and use the coarse focus knob with the high power lens. B.

The Chemist has available four different sizes (based on maximum volume) of graduated cylinders. If the Chemist desires to measure 8 mL, which of the following cylinders is the best choice (based on the criteria given in the class handout) ?

How many atoms altogether make up one molecule of glucose

A representative particle of carbon dioxide is