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Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Calcium carbide reacts with water to produce acetylene gas according to the following equation:
CaC2(s) + 2H20()C,H2(g) + Ca(OH),(aq)
The product gas, C,H2, is collected over water at a temperature of 20 °C and a pressure of 745 mm Hg. If the wet C,H2 gas formed occupies a volume
of 7.88 L, the number of moles of CaC2 reacted was
mol. The vapor pressure of water is 17.5 mm Hg at 20 °C.
Transcribed Image Text:Calcium carbide reacts with water to produce acetylene gas according to the following equation: CaC2(s) + 2H20()C,H2(g) + Ca(OH),(aq) The product gas, C,H2, is collected over water at a temperature of 20 °C and a pressure of 745 mm Hg. If the wet C,H2 gas formed occupies a volume of 7.88 L, the number of moles of CaC2 reacted was mol. The vapor pressure of water is 17.5 mm Hg at 20 °C.
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