Which of these is a compound?

carbon

oxygen

air

carbon dioxide

Louis pasteur developed the germ theory of disease. true or False

During a canoe race, a camper paddles a distance of 406 meters in 70 seconds. what's the average speed of the race?

In the equilibrium constant expression for the reaction below what is the correct exponent for n2o4? n2o4 (g) 2no2 (g) 2 4 1 6

What is true of a molecule? A) each molecule of a compound have different properties B) all molecules of a compound have the same properties C) all molecules of a compound have 1 type of atom D) each atom of a molecule is the same

Explain how both nucleic acids and proteins are both polymers?

A specific, electrically neutral atom of boron has 5 protons, 5 electrons, and 6 neutrons. what is the mass number of this atom of boron? 6 5 11 16

When does hail happen?

For the reaction, calculate how many moles of the product form when 0.012 mol of O2 completely reacts. Assume that there is more than enough of the other reactant. 4Al (s) + 3O2 (g) →2Al2O3 (s) Express your answer using two significant figures.

Nuclei with too many or too few neutrons are?

Be sure to answer all parts. Enter the formula for potassium dihydrogen phosphate and determine its molecular (formula) mass.