Chemistry, 30.01.2020 12:52, Blossom824
An iron nail (fe) is placed into a solution of copper(ii) sulfate (cuso4). after some time, the blue color of the copper (ii) sulfate disappears and some copper-colored solid (cu) is found on the surface of the nail. the solution now contains iron (ii) sulfate (feso4), and the container feels warmer than before the reaction.. 1. does this reaction absorb or release absorb or release energy? how do you know? . 2. what do the color changes indicate?
Answers: 3
Chemistry, 22.06.2019 04:00, nothingworksoutforme
The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed
Answers: 1
Chemistry, 23.06.2019 04:40, yayamcneal05
[01.07]what is the answer to the problem: 101 g + 25.01 g + 5.05 g? 131.06 g 131.1 g 131 g 130 g
Answers: 1
An iron nail (fe) is placed into a solution of copper(ii) sulfate (cuso4). after some time, the blue...
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