Assume that the potential energy of the products in a chemical reaction is 60 kilojoules. this reaction would be exothermic if the potential energy of the reactants were

In part A of the experiment you will need to make a 4.80 x 10-4 M KSCN solution starting with a 2.00 x 10-3M KSCN solution. You will be making up the solution in a 25.00 mL volumetric flask and using 0.5 M HNO3 as the diluent. What volume of 2.

Autotrophic plants do not require

Explain how electrically neutral objects can become electrically charged even though charge cannot be created or destroyed.

An aqueous solution is prepared by dissolving the salt formed by the neutralization of a weak acid by a weak base. Which statement about the solution is correct? a. the solution is strongly basicb. the solution is weakly basicc.

A concentration cell consists of two Sn/Sn2 + half-cells. The solution in one half-cell A is 0.13 M Sn (NO3) 2 and is 0.87 M Sn (NO3) 2 in the other half-cell B. Calculate the cell potential at 25 degrees C.

Why does the glass of water weigh less after the pill has dissolved? Why does the glass of water weigh less after the pill has dissolved? Nitrogen dioxide gas will be generated and released as the anti-acid pill dissolves.

Assume that the potential energy of the products in a chemical reaction is 60 kilojoules. this reaction would be exothermic if the potential energy of the reactants were

Which type of ions are formed when an acid is dissolved in water?

According to the collision theory, when can a chemical reaction occur? When enough activation energy is added to correct the orientation of the particle collisions When reactants collide with enough energy to intersect their valence shells and form

Why is ice less dense than water? A. When water freezes, it forms a crystal structure with less volume than liquid water. B. Ice crystallizes with an open structure, and the gaps that form between the water molecules in ice increase its volume. C.