Carbon dioxide is formed when two oxygen atoms chemically combine with a carbon atom. Which term best describes carbon dioxide?

A.

mixture

B.

element

C.

atom

D.

compound

Two skydivers jump out of a plane. As the skydivers are in free fall, the potential energy they possessed at the airplane door Is being converted to kinetic energy True False

You have 9.494 grams of a diatomic gas being stored at STP in a 3.00 liter container. What is the gas?

The number of moles of O2 in 2.24 L of O2 gas. calculate at STP

A compound is composed of only C, H, and O. The combustion of a. 519-g sample of the compound yields 1.24 g of CO_2 and. 255 g of H_2O. What is the empirical formula of the compound?

Ethanol is one example of alternative fuels for powering our cars and trucks. Ethanol can be produced in different ways, but most often by microorganisms acting on plant materials such as corn.

How many atomic mass units are equal to 1.672*10-24 g of protons?

What is the name of the compound Sr3N2?

The water softener discussed here relies on precipitation softening also known as ion exchange. based o hte reactants used, what ions would remain in the softened water thaat would be consumed buy the homeowners

What would be the best technique to separate a soluble solid from a solution, like separating salt from a mixture of salt water?

What are metalloids used for