A 3.0 mole sample of KBrOz was decomposed according to the following

equation. How many moles of O2 are formed? *

2KBrO3 → 2KBr + 302

Consider the four salts represented on the solubility curves displayed as line graphs. In all four cases the water is which part of an aqueous solution?

Hunter drew a representation of the atoms of a gas. The illustration shows atoms moving freely at high speeds.

What 2 factors determine whether a collision between reactants is effective

A mixture of helium, neon and argon gases have a total pressure of 790 mmhg. if there is 118.5 mmhg of argon, 474 mmhg of helium, what is the partial pressure of the neon gas?

Ethanol is used as fuel for cars. Explain how energy is obtained from ethanol to fuel a car.

Why is scientific notation useful?

Hydrochloric acid, HCl, reacts with solid NaOH. What are the products of this chemical reaction?

Why are emission spectra referred to as the fingerprints of the elements?

David has a weather balloon that he fills with helium and then releases. As the balloon rises into the atmosphere, the balloon gets bigger and bigger.

Beaux has purchased a synthetic material for a product he is launching. What is most likely a benefit of this material? A) It is biodegradable. B) It can be recycled cheaply. C) It is heavy. D) It can be mass produced.