posted by Wendy .
When 80.0 mL of HCl is added to 80.0 mL of NH3OH, the temperature increases 2.5 celsius. Assuming the final solution has the same specific heat capacity as liquid water, the heat produced in the reaction between two solutions is:
I don't get how to find the moles and mass
a soccer ball is kicked at ground level with a speed of 20 meter per second at an angle of 45 degree to the horizontal.how much later does it hit the ground. complete solution