How many kJ of heat are needed to completely melt 13 g of H2O? The heat of fusion for water is 6.0 kJ/mol.

What is the value of x? assume that the line is tangent to the circle.

The room above is shaped like a rectangle anthe room above is shaped like a rectangle and has a perimeter of 34 feet. if the room is 11 feet long, how wide is it?

Harold moves no more than 43 of his sheep and goats into another field fewer then 22 of his animals are goats