What happens to the particles in a substance when it is cold?

In three different experiments, the following results were obtained for the reaction A - > products: [A]o = 1.00M, t1/2=50 min; [A]o = 2.00M, t1/2 = 25 min; [A]o = 0.50M, t1/2 = 100 min.

The mechanical advantage of a door knob that allows you to move a boli 0.01 m by moving the handle 0.50 m is A. 0.05 B. 0.50 C. 5.0 D. 50

Which term defines the simplest form of matter to have unique chemical properties?

Select the correct answer. Why does a solid change to liquid when heat is added? OA The spacing between particles decreases. O B. Particles lose energy. OC. The spacing between particles increases. OD. The temperature decreases.

Now if your lab partner determined that there were 1.552 x 1022 atoms of H in an unknown sample of C2H4Cl2, how many milligrams would the unknown sample weigh? There was 0.56 moles of H from the first question.

Which of the following are considered strong bases? That is, they are capable of doing E2 reactions. (choose all that apply) Hydroxide, OH- Ammonia, NH3 Water, H20 ОMethanol, Снзон Methoxide, CH30- Cyanide, CN- Amide, NH2-

Describe an experiment to show that zinc is more reactive than copper

The lower the ignition temperature, better the fuel. True or false? Why?

MATH. Tom bought 15 party hats priced at 3 for $0.65 and 56 noisemakers priced at 7 for $1.25. What was the total cost of the hats and noisemakers, not including tax? A. $9.75 B. $8.75 C. $10.70 D. $13.25

What does it mean to be a biotic factor