How many moles are present in 454 grams of CO2?

A. 10.31 mol

B. 4.54 mol

C. 37.83 mol

D. 14.18 mol

E. 1.3 mol

What happens to water as it boils? A. The intermolecular forces strengthen and lock the molecules in place. B. The average kinetic energy of the molecules decreases as energy is released. C.

The oxidation numbers of nitrogen in NH3, HNO3, and NO2 are, respectively: A) - 3, - 5, + 4 B) + 3, + 5, + 4 C) - 3, + 5, - 4 D) - 3, + 5, + 4 is it D?

A species that changes the rate of a reaction but is neither consumed nor changed is A. A catalyst. B. An activated complex. C. An intermediate. D. A reactant.

As pressure decreases, density: does what increases, decreases, or stays the same

Which of the following factors could prolong the availability of fossil fuels a. increasing alternative energy sources b. increasing demand for fossil fuels c. reducing alternative energy sources d. making new fossil fuels 2.

Which of the following errors could cause your percent yield to be falsely high, or even over 100%? Select ALL that apply. A.) Heating the sample too vigorously. B.) Handling the crucible directly with your hands. C.

If 56.8 ml of bacl2 solution is needed to precipitate all the sulfate ion in a 554 mg sample of na2so4 (forming baso4), what is the molarity of the solution?

is the number of total atoms on the left side of a balanced equation always equal to the number of total atoms on the right side of the equation?

Compared to a sample of helium at STP, the same sample of helium at a higher temperature and a lower pressure A) condenses to a liquid. B) is more soluble in water C) forms diatomic molecules. D) behaves more like an ideal gas

What country was overrun by the Japanese