s11q3Key - Chem 171 Quiz 3 Version A 1 Fill in the...

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Unformatted text preview: Chem 171 Quiz 3 Version A 1. Fill in the blanks (soluble or insoluble in water): BaSO 4 is _________________. Ba(IO 3 ) 2 is ________________. Zn(OH) 2 is ________________. Zn (CH 3 COO) 2 is _________________. AgCl is ___________________. BaSO 4 is insoluble . Ba(IO 3 ) 2 is insoluble . Zn(OH) 2 is insoluble . Zn (CH 3 COO) 2 is soluble . AgCl is insoluble . 2. Ethanol (C 2 H 5 OH) is produced by the fermentation of glucose (C 6 H 12 O 6 ). The balanced equation is: C 6 H 12 O 6 (aq) Æ 2 C 2 H 5 OH (aq) + 2 CO 2 (g) 1) How is rate of formation of ethanol related to rate of consumption of glucose. 2) Write this relationship in terms of Δ [C 6 H 12 O 6 ] / Δ t and Δ [C 2 H 5 OH] / Δ t According to the balanced equation, 2 mol of ethanol are produced for each mole of glucose that reacts. Therefore the rate of formation of ethanol is twice the rate of consumption of glucose. - Δ [C 6 H 12 O 6 ] / Δ t = ½ Δ [C 2 H 5 OH] / Δ t Or : -2 Δ [C 6 H 12 O 6 ] / Δ t = Δ [C 2 H 5 OH] / Δ t Chem 171 Quiz 3...
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This note was uploaded on 02/21/2012 for the course ENGLISH 101 taught by Professor Smith during the Spring '07 term at Rutgers.

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s11q3Key - Chem 171 Quiz 3 Version A 1 Fill in the...

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