In order to increase the rate of a reaction, heat may not always be the best option. Describe why someone might choose to add a catalyst instead of heat.

List five properties of matter.

Compare the discoveries of Henri Becquerel with the discoveries of Marie Curie

The temperature of 2.97 mol of a monatomic ideal gas is 511 K. The internal energy of this gas is doubled by the addition of heat. How much heat is needed when it is added at (a) constant volume and (b) constant pressure

Separate this redox reaction into its component half-reactions. 3o2 4cr

Which are functions of nucleic acids? Choose all answers that are correct. A. to defend against infection B. to provide structural support C. to carry genetic information D. to process information

What is a scientific variable

What kind of reactions are redox reactions a. reactions involving substituting different isotopes b. reactions involving losing and gaining electrons c. reactions involving protons transferring between atoms d.

Determine the number of atoms in 1.75 ml of mercury. (the density of mercury is 13.5 g/ml.)

In the reaction A + B + C >> D, what are the products? A. C and D B. A and B C. A, B, C, and D D. A and C

Which of the following is true of a person with a high credit score?