Chemistry, 02.06.2021 22:30 jrassicworld4ever
A piece of Al (sp. heat=0.9 j/goC) with a mass of 55 g is heated and placed into 45mL of water at 18oC. The final temperature of metal and water was found to be 22oC. Then what was the initial temperature of metal?
Answers: 3
Chemistry, 22.06.2019 05:30, NorbxrtThaG
The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?
Answers: 1
Chemistry, 22.06.2019 15:30, alaf05160
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.
Answers: 2
A piece of Al (sp. heat=0.9 j/goC) with a mass of 55 g is heated and placed into 45mL of water at 18...
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