If the density of an object is 2.87 x 10 -4 pounds per cuibic inch, what is it’s density in g/ml?

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.

How many moles of potassium are needed to react completely with 12.8 moles of magnessium bromide?