If 0.0477 mol CaCl2 is dissolved in water to make a 0.280 M solution, what is the volume of the solution?

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?

Which of the following happens during cell division? (a) energy is created (b) waste is eliminated (c) carbon dioxide is released (d) damaged cells are replaced