Calcium carbide reacts with water to produce acetylene gas according to the following equation: CaC2(s) + 2H20(1)C2H2(g) + Ca(OH)2(aq) The product gas, C2H2, is collected over water at a temperature of 20 °C and a pressure of 755 mm Hg. If the wet C,H2 gas formed occupies a volume of 9.76 L, the number of moles of CaC2 reacted was mol. The vapor pressure of water is 17.5 mm Hg at 20 °C.

Introduction to General, Organic and Biochemistry
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Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter5: Gases, Liquids, And Solids
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Calcium carbide reacts with water to produce acetylene gas according to the following equation:
CaC2(s) + 2H20(1)C2H2(g) + Ca(OH)2(aq)
The product gas, C2H2, is collected over water at a temperature of 20 °C and a pressure of 755 mm Hg. If the wet
C,H2 gas formed occupies a volume of 9.76 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(1)C2H2(g) + Ca(OH)2(aq) The product gas, C2H2, is collected over water at a temperature of 20 °C and a pressure of 755 mm Hg. If the wet C,H2 gas formed occupies a volume of 9.76 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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