according to the law of conservation of, the number of atoms in the products of a chemical and equation must be balanced with the number of atoms in the reactants

If you have 5.2 moles of iron (Fe) how many grams do you have?

Coal can be classified as which type of rock?

Why is radar useful when mapping areas that tend to be covered in clouds

Select the correct answer. Which subatomic particle has negligible mass and travels around outside the nucleus? A. proton B. neutron C. electron D. orbital

Which is not the purpose of using a paper towel to dab off your metal? Remove the outer layer of sodium oxide that formed to allow for a quicker reaction Remove the kerosene or oil used as a storage medium to allow for a quicker reaction Remove the

Calculate the formula mass of ethanol, c2h5oh. express your answer to three significant figures and include the appropriate units.

When does a substance have a definite shape? a. when the substance is a solid. b. when the substance is a liquid. c. when the substance is a gas. d. when the substance is a plasma.

The area in which sediment is deposited along the shore is the

Write the full ground-state electron configuration for each: (a) S (b) Kr (c) Cs

Explain how heat would change the density of a parcel of air