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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, 23.06.2019 08:30
Of the following elements, which is the least reactive? a. c b. h c. li d. he
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The quotient of 207 and a number n? ( write in a expression)...
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