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500g of copper is heated

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
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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
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how many grams of each species will be present at the end when 0.500g of copper is added to 2.500g of AgNO3?Cu(s) + 2 AgNO3(aq)
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2. asked by tc
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1. (a) 500g of copper is heated from 30 degree celcius - 120 degree celcius?. (b) if the same quantity of heat is supplied to
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2. asked by Precious
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1.0 g of copper was heated in a crucible, while stirring, and .2g of unreacted copper was recovered usoing hydrochloric acid as
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2. asked by R Johnson
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A 0.190 kg piece of copper is heated and fashioned into a bracelet. The amount of energy transferred as heat to the copper is6.6
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2. asked by arriell
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A 0.190 kg piece of copper is heated and fashioned into a bracelet. The amount of energy transferred as heat to the copper is
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2. asked by abbigail
3. 1,552 views
A 0.190 kg piece of copper is heated and fashioned into a bracelet. The amount of energy transferred by heat to the copper is
1. 1 answer
2. 63 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. 999 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. 2,219 views