Which of the following is generally a good way to pick up a firearm to preserve evidence? A. by the barrel B. by the trigger C. by the trigger guard D. any of the above is a good way

A mixture of 0.500 mole of carbon monoxide and 0.400 mole of bromine was placed into a rigid 1.00-L container and the system was allowed to come to equilibrium. The equilibrium concentration of COBr2 was 0.233 M.

A 12 gram piece of metal is heated to 300 °C from 100 °C with 1120 Joules of energy. What is the specific heat of the metal?

If 0.35 m of ammonia solution has a ph of 9.15, what is the h + concentration of the solution?

Use the equation C6H6 + Cl = C6H3Cl + HCL what is the theoretical yield of C6H6Cl if 22.8 if C6H6 react

Match the element with its description. Match Term Definition Lithium A) Highly reactive gas Lead B) Nonreactive gas Fluorine C) Malleable, soft, and shiny Krypton D) Opaque solid with higher density

Use the periodic table to determine the number of protons in an atom of arsenic (as)

Which of the following is a strong electrolyte. sugar, sodium chloride, honey vinager, carbon tetrachloride?

How do rockets work? What chemicals are used and what reactions happens with those chemicals to make a rocket fly?

The solubility of iron (ii) hydroxide, fe (oh) 2, is 1.43x10-3 gram per liter at 25oc. a. write a balanced equation for the solubility equilibrium

A substance undergoes change. Which Of the following indicates that the change was a chemical change? a. the substance changed state. b. the molecules of the substance changed c. the substance changed shape. d. the density of the substance changed.