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Chemistry, 22.06.2019 09:40
Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?
Answers: 1
Chemistry, 22.06.2019 19:00
Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²
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Chemistry, 23.06.2019 10:30
Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol
Answers: 2
Chemistry, 24.06.2019 03:30
Why do we write chemical compounds inside brackets example: [ag (nh3)2]cl [zn (nh3)4](oh)2writing within and without does it matter? how, clear my doubt.
Answers: 1
List two kinds of text structure...
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