How many joules are required to raise 225 g of water at 22oc to its boiling point?

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

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