Each type of mineral has a chemical composition that is what

Nitric acid (HNO3) is used in the production of fertilizer, dyes, drugs, and explosives. Calculate the pH of a HNO3 solution having a hydrogen ion concentration of 0.71 M.

A child is on a pogo stick. At the top of her jump, her kinetic energy (KE) = 0 J, her gravitational potential energy (GPE) = 100 J, and the potential energy in the spring (SPE) = 0 J.

How many miles can you drive, if your car gets 21.3 miles per gallon and you have 12.0 gallons of gas?

Using LeChâtelier's principle, determine whether the reactants or products are favored and the direction of the shift in equilibrium (left or right) in the following examples. 2CO (g) + O2 (g)  2CO2 (g) + heat a. Remove O2 b.

If some animals reproduce so easily and quickly, why can't we increase the numbers of endangered species like the giant panda just as easily? A. They have short lifespans and many offspring B. It is easy to do this, but no one has put in the C.

How to retake a regents?

Identify the following: 1. The only 2 liquid elements. 2. The element in period 4, group 0. 3. The second metalloid in period 4. 4. The first element in group 4A.

If 450.0 mL of a 0.500 M solution is mixed with 200.0 mL of water, what is the molarity of the new solution? A. 0.346 M B. 0.625 M C. 1. 86 M D. 2.50 M

Describe an aqueous solution

A charged atom is called an