In two or more complete sentences , explain how to calculate the amount of energy that is transferred when 150 g of cooper cools from 63.0 ° C to 21.0 C . Is the energy absorbed or released ? The specific heat of copper is 0.387 J / g C

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

One of the hopes for solving the world's energy problem is to make use of the fusion reaction 21h +31h --> 42he + 10n + energy how much energy is released when 1 mol of deuterium is fused with 1 mol of tritium according to the above reaction? the masses of the atoms and the neutrons are as follows: 21h = 2.0140 amu 31h = 3.01605 amu 42he = 4.002603 amu 10n = 1.008665 amu. the speed of light is 2.9979 x 108 m/s.

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: