D) If only 6.6 grams of water are produced, what is the percent yield?
Write out the balanced equation:
2C2H6 + 7O2 --> 4CO2 + 6H2O
Then, determine the limiting reagents:
16.8 grams of C2H6/30.06 g/mol of C2H6 = 0.46 mol
45.8 grams of O2/32 g/mol of O2 = 1.4 mol
0.46 mol of C2H6/2 = 0.23
1.4 mol of O2/7 = 0.20
<em>- Dioxygen is the limiting reagent. </em>
Find the theoretical molar yield of water:
There is a 7 mol of O2 to 6 mol of H2O ratio (according to the balanced equation).
<em>We can setup a proportion;</em>
7/6 = 0.23/x
0.196 = x
So, 0.196 mol of water will be produced.
How many grams of water will be produced in the reaction?
<em><u>0.196 mol of H2O x 18 g/mol of H2O = 3.53 grams of H2O </u></em>
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Answer: decrease the temperature of the reaction
Explanation:
CH3COOH + CH3CH2OH ⇌ CH3COOCH2CH3 + H2O
The formation of an ester is an exothermic reaction. Therefore, a decrease in the temperature of the reaction will favour the production of ester.
The answer is a i believe
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