Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon dioxide and hydrogen react to form methanol and water CO2(9) + 3 H2(9) CH,OH(1) + H,O(1) AH=-131. kJ In the second step, methanol reacts to form dimethyl ether and water: 2 CH3ОН() CH,OCH 3(9) + H20(1) AH=8. kJ Calculate the net change in enthalpy for the formation of one mole of dimethyl ether from carbon dioxide and hydrogen from these reactions. Round your answer to the nearest kJ.
Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon dioxide and hydrogen react to form methanol and water CO2(9) + 3 H2(9) CH,OH(1) + H,O(1) AH=-131. kJ In the second step, methanol reacts to form dimethyl ether and water: 2 CH3ОН() CH,OCH 3(9) + H20(1) AH=8. kJ Calculate the net change in enthalpy for the formation of one mole of dimethyl ether from carbon dioxide and hydrogen from these reactions. Round your answer to the nearest kJ.
Chemistry for Engineering Students
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Chapter4: Stoichiometry
Section: Chapter Questions
Problem 4.8PAE: 4.8 In an experiment carried out at very low pressure, 13x1015 molecules of H2 are reacted with...
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Transcribed Image Text:Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon dioxide and hydrogen react to form methanol and water
СО,(9) + 3 Н,(9) — CH,ОН() + Н,0()
AH=-131. kJ
In the second step, methanol reacts to form dimethyl ether and water:
2 CH,OH(1) →
CH3OCH 3(g) + H,0(1)
ΔΗ-8. kJ
Calculate the net change in enthalpy for the formation of one mole of dimethyl ether from carbon dioxide and hydrogen from these reactions.
Round your answer to the nearest kJ.
kJ
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