In an open system, the vapor pressure is equal to the outside air pressure.

T or F?

What are compounds and how do they form

Cassandra looked out the window. She saw a boy moving down through the air. The boy moved all the way down to the ground. He pushed off the ground with his legs. Then he moved up into the air. Cassandra moved to the side to see more.

Label each bond in the following compounds as ionic or covalent (10) (a) F2 (b) LiBr (c) NaNH2 (d) CH3CH3

Molecules of SiO2 would have a mass of 12.40 g

What does it mean for an element to be reduced?

How many fe (ii) ions are there in 15.0 g of feso4?

An estser is the reaction product between: a. Alcohol and organic acid B. Alcohol and oxygen C. Ketones and Oxygen. D. Aldehydes and Alcohol

How is the way a mixture is combined different from how a compound is combined?

Consider n2 (g) + 3h2 (g) →→ 2nh3 (g). what is the mass of nitrogen gas required to react with 0.129 g h2?

Write a sentence that uses the words "mass extinction" correctly