When a reaction occurs, what happens to the energy?

What determines wether or not a reaction is spontaneous answers?

Given the following equation: 8Fe+S8=8FeS a. If 4.2 moles of sulfur react, what is the mass of FeS produced? b. if 13 moles of Fe react, what is the mass of FeS produced?

A common car battery consists of six identical cells each of which carries out the reaction: Pb + PbO2 + 2HSO4 - + 2H + → 2PbSO4 + 2H2O Suppose that in starting a car on a cold morning a current of 350 amperes is drawn for 12.

Calculate the solubility (in M) of cobalt (II) hydroxide, Co (OH) 2 (s) in H2O. Ksp = 1.10*10-16 at a specific temperature.

If the concentration of phosphate in the cytosol is 2.0 mM and the concentration of phosphate in the surrounding fluid is 0.1 mM, how could the cell increase the concentration of phosphate in the cytosol? View Available Hint (s)

4 Properties of Bases?

Which statement best describes the intermolecular forces between N2 molecules and NH3 molecules in the solid phase? A.

How many grams of water are needed to react with 485 g of calcium carbide

Water molecules have a strong attraction to each other because of hydrogen bonding, allowing water to move against gravity up a plant's stem through capillary action. True False

What happens when an electric field is applied to a very polar molecule?