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Title: Dehydration

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Subject: Science
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Date: June 7, 2007
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Length: 3 / 749
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How do you know when the copper (2) sulphate has been converted to it anhydrous form? • When the blue color changes to a white/grayish color after being heated. 2. Rewrite the equation for this replacing “X” with your experimental value. • CuSO4 • 5H2O 3...

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If the accepted value of X=5, calculate the percentage of error of your experiment. %error = | accepted value – experimental value | / (accepted value) * 100 | • % error –> | 5.4 – 5.0| / (5.0) * 100 = 8% 4. Was the change in #4 an endothermic or exothermic reaction? • The change in #4 was an exothermic (releases heat) reaction...

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