(20 points) how many tons of biomass would be required for one year of power for the new england states, pennsylvania, and new york

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?

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.

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.