Determine the number of calories needed to raise the temperature of the copper from 10.0°C to 100.0°C. (The specific heat of copper is 0.0921 cal/goC)

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98