An amount 10.24 kcal of heat is added to a 35.0 g sample of a liquid at 25.00°C. The final temperature is 87.35°C. What is the specific heat of the substance in cal/g°C?

What is the number of moles in 15.0 g ash3?

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Enzymes affect the reactions in living cells by changing the