4. A sample of silicon contains

5.23 x 1011 atoms. Write this amount

as a whole number.

Consider this initial-rate data at a certain temperature for the reaction described by N2O3 ( g. - > NO ( g. + NO2 ( g. N2O3 (M) =.1 (initial rate =.66) =.2 (initial rate = 1.32) =.3 (initial rate = 1.98) find k?

All of the following require breaking and forming chemical bonds except A - lighting a camp fire. B - breaking a rock. C - baking a potato. D - rotting fruit.

How far away is Neptune from the sun.

In terms of ion charges and chemical change, what is the difference between CuF (s) and CuF2 (s) ?

A laboratory technician needs to make a 108 -liter batch of a 20 % acid solution. how can the laboratory technician combine a batch of an acid solution that is pure acid with another that is 10 % to get the desired concentration?

My sister needs this answered! Donald is creating an experiment to determine if fertilizer affects plant color. He makes this statement: "If each plant receives a different amount of fertilizer, then the plant's color intensity will change.

What would happen to life if earth were in a different location within the solar system

Substance that undergoes a change in a chemical reaction is a. a product c. a reactant. b. a chemical. d. an enzyme.

List the number of protons, neutrons, and electrons in Iodine-127. (atomic number is 53)

At approximately what temperature will 40g of argon gas at 2 atm occupy a volume of 22.4L a) 600K b) 550K c) 270K d) 140K