In france, grapes are 1.67 euros per kilogram. what is the cost of grapes in dollars per pound, if the exchange rate is 1.33 dollars per euro?

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?