Chemistry, 16.07.2019 22:00 janeou17xn
Miners discover a new vein of metal in the mine they are excavating. they send a sample to your lab so you can determine what type of metal it is. you heat up a 2 kg block of the unknown metal from room temperature of 298 k until it melts at 1768 k. you measure that it takes 1.24 x 10^6 j of energy to melt the block. use the specific heats of various metals shown below to determine what metal the miners have discovered. aluminum: 904 j kg-1 k-1 nickel: 445 j kg-1 k-1 copper: 384 j kg-1 k-1 cobalt: 421 j kg-1 k-1 titanium: 520 j kg-1 k-1 a. cobalt b. copper c. aluminum d. nickel
Answers: 1
Chemistry, 22.06.2019 00:30
Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?
Answers: 2
Miners discover a new vein of metal in the mine they are excavating. they send a sample to your lab...
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