How to convert 1.2*10^24 atoms of magnesium into moles?

Which coefficient should appear in front of lino3 in the balanced equation?

How many grams of HBr would exactly react with 2g of propene?

If the theoretical yield of the reaction below corresponds to 25.3 g and the percent yield of the reaction is known to be reproducibly 81.1%, calculate the actual yield. given: li2o + h2o → 2 lioh 81.1 g 48.9 g 20.5 g 45.8 g none of the above

What is the term for the molecular mass of any substance expressed in grams? A. molar mass B. molar volume C. molar density D. mole

If ice is warmed and becomes a liquid, which type of process is it? exothermic spontaneous combustion endothermic

The pressure of a gas at 10 degrees celsius is greater that the pressure of the gas at 30 degrees celsius True False

Calculate the molar solubility of ag2so4 in each solution below. the ksp of silver sulfate is 1.5 * 10-5. (a) 0.36 m agno3: (b) 0.36 m na2so4:

Which statement best illustrates why carbon is so important to living things? a. Carbon occurs as a solid, a liquid, and a gas. b. Carbon is found in both the living and nonliving worlds. c. Carbon is stored in large quantities in fossil fuels. d.

How do astronomers explain the formation of the milky way galaxy

1 What characteristic of an element determines how its atoms can bond with other atoms?