Which describes the burning of fossil

For the reaction 2co3 + (aq) + 2cl - (aq) →2co2 + (aq) + cl2 (g). e∘=0.483 v what is the cell potential at 25 ∘c if the concentrations are [co3+] = 0.383 m, [co2+] = 0.369 m, [cl-] = 9.00*10-2 m, and [cl2] = 0.150 m?

The vitamin A molecule has the formula C20H30O, and a molecule of vitamin A2 has the formula C20H28O. Determine how many moles of vitamin A2 contain the same number of atoms as 1.000 mol vitamin A.

What piece of lab equipment would you use to conduct a small chemical experiment? Erlenmeyer flask test tube graduated cylinder Beaker

In each case, decide if the change is a "chemical change" or a "physical change". a) A cup of household bleach changes the color of your favorite T-shirt from purple to pink. b) Water vapor in your exhaled breath condenses in the air on a cold day.

A 650 mL sodium bromine solution has a bromide ion concentration of 0.245 M. What is the mass (g) of sodium bromide in solution? A) 103. B) 0.00155. C) 16400. D) 16.4. E) 0.159

At what temperature would the volume of a gas be 0.550 L if it had a volume of 0.432 L at - 20.0 o C?

A sample of a compound contains 9.11 g Ni and 5.89 g F. What is the empirical formula of this compound? A.) NiF B.) Ni3F2 C.) NiF2

Combining aqueous solutions of bai2 and na2so4 affords a precipitate of baso4. Which ions are spectator ions in the reaction?

Which kind of wave increases in height due to strong winds?

Solid lead IV oxide decomposes into solid lead and oxygen gas.