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what happens to the mass of copper when over heated

when heated in the presence of air, 80 grms. of copper completely react to form 100 grms. of copper oxidewhat is the mass of
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2. asked by abby
3. 558 views
When copper(II) oxide is heated in the presence of hydrogen gas, elemental copper and water are produced. What mass of copper
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2. asked by Grace
3. 2,138 views
When copper(II) oxide is heated in the presence of hydrogen gas, elemental copper and water are produced. What mass of copper
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2. asked by nikki
3. 922 views
1)Name the ores of copper and show their formula2)Why is copper crushed into fine powder before roasting 3)Write the formula of
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2. asked by Mk
3. 50 views
A piece of copper weighing 250 is heated to 100 and then quickly transferred to a copper calorimeter of mass 15 containing 80 of
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2. asked by Favour
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A piece of copper of mass 0.55 kg is heated from 57oC to 100oC .What is the increase in the internal energy of the copper
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2. asked by Eunny
3. 669 views
what happens to the mass of copper when over heated and forms copper(ii) oxide
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2. asked by Khumo
3. 558 views
I cannot understand how the mass of the system has changed. There's no need for you to do my work please just explain it to me!
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2. asked by nicole
3. 822 views
copper is a product of the reaction that occurs when dry ammonia is passed over a sample f heated copper(2) oxide.The equation
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2. asked by Alyssa
3. 850 views
The mass of the CuSO4 x 5H2O sample is 1.664 g. The mass of the recovered copper is 1.198 g.Calculate the percent copper in pure
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2. asked by Lou
3. 2,349 views