(05.05 MC) How many moles of water are produced when 5 moles of hydrogen gas react with 2 moles of oxygen gas?

An S3 gallop is commonly heard in:

Which psychoactive drugs are are responsible for the most deaths in the United States? In your answer be sure to touch on both “Acute” and “Chronic” toxicity. In addition, what is the legal status of these psychoactive drugs?  

(06.04 MC) What is the mass of 3.15 liters of N2 gas at STP?

A drug’s potency dictates how much is needed to cause an effect.

(06.02 MC) A substance has a melting point of 80 °C. Which of the following is true for the substance?

(05.02 MC) How many moles of Na2SO4 are present in 284.078 grams of Na2SO4?

(05.04 MC) Based on the equation, how many grams of Br2 are required to react completely with 36.2 grams of AlCl3?2AlCl3 + 3Br2 → 2AlBr3 + 3Cl2

(07.01 LC) Which of the following happens during an exothermic chemical change?

(06.02 LC) What happens to the particles of a gas when the gas changes into a liquid?