The water in an aquarium is warmed by a heater locate under the gravel in the bottom of the aquarium. How is the energy transferred to the gravel?

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

How many grams of iron can be made from 16.5 grams of fe2o3

The limiting reactant(s) appeared to be