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chemical reactions

We had a lab using Cu(II) Chloride dihydrate, water and Aluminum foil. we put the Cu(II) in water, stired and then crumpled the foil and dropped in solution. We are supposed to describe any additional experiment we would do to prove our hypothesis. (the aluminum pulled the copper solids out of the solution and the aluminum disolved into liquid solution) Could I use copper acetate monohydrate or copper carbonate to et the same results?? Is there another way to prove what happened? Thanks

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

14519

OTA ID:

104241

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Calculating mass

The mass of a crucible and a hydrated salt was to be 21.477g.The mass of the crucible and the anhydrous salt was 20.070g. The mass of the crucible was 17.985 g. a)calculate the mass of the hydrated heated b)calculate the mass of h2o lost from the hydrate during heating c) calculate the percent water in the hydrate

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

14522

OTA ID:

104241

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enthalpy of reaction

write the equation for the combustion of 1 mole of ethanol in oxygen and calculate the enthalpy of reaction for this change given delta Hf(CO2) = -393.7Kj/mol delta Hf(H2O) = -285.9 Kj/mol and delta Hf(C2H5OH)=-227kj/mol. is the reaction exothermic or endothermic

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

14542

OTA ID:

104241

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Problem set

Please see the attached file for full problem description.

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

14635

OTA ID:

102509

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Formula

Please see the attached file for full problem description.

Subject:

Chemistry

Topic:

General Chemistry

Posting ID:

14637

OTA ID:

104241

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