What amount of heat is required to raise the temperature of 350 grams of copper to cause a 25°c change? the specific heat of copper is 0.39 j/g°c.. a. 2500 joules. b. 2600 joules. c. 3400 joules. d. 3900 joules.

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks. energy was destroyed inside the blocks. energy was absorbed into the blocks from outside the system. energy was transferred from the warmer block to the cooler block.

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

Rays from the sun are not considered matter true or false