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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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The following are percent yield questions:
What is the theoretical yield if the actual yield is 5.49 g and the percent yield is 49.7 %?
A student reports an actual yield of 45.2 g. The theoretical yield was calculated to be 39.2g. What is the percent yield? Is there anything unusual about this percent yield?
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- my theoretical yield was 45.0g. If my percent yield was 68.0%, how much was my actual yield?arrow_forwardFor the following reaction, 3.00 grams of hydrogen gas are mixed with excess nitrogen monoxide. The reaction yields 15.7 grams of nitrogen gas. nitrogen monoxide (g) + hydrogen (g) →→→→nitrogen (g) + water (1) What is the theoretical yield of nitrogen gas grams What is the percent yield of nitrogen gas ? %arrow_forwardCombining 0.376 mol Fe₂O3 with excess carbon produced 20.0 g Fe. Fe₂O3 + 3C2Fe + 3 CO What is the actual yield of iron in moles? actual yield: What is the theoretical yield of iron in moles? theoretical yield: What is the percent yield? percent yield: mol mol %arrow_forward
- O Chemical Reactions Theoretical yield of chemical reactions 1/3 Gaseous methane (CH4) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O). What is the theoretical yield of water formed from the reaction of 0.48 g of methane and 0.60 g of oxygen gas? Round your answer to 2 significant figures. A g Xarrow_forwardDDT, which can be prepared by the reaction shown below, was an insecticide used to prevent mosquito borne diseases. Due to the harmful effects on birds and fish, it is now banned in the US. However, other countries still use it to control mosquitos. Determine the amount of DDT that can be produced and the percent yield for this reaction by constructing a BCA table, determining the maximum grams of DDT that can be produced, and calculating the percent yield. Complete Parts 1-3 before submitting your answer. 1 Before (mol) Change (mol) After (mol) 2 C₂H₂CI+ C₂HOCI → C₁H₂Cl + H₂O 3 14 9 5 2 3 NEXT > If a company in South America started with 1175 g of chlorobenzene (CH₂CI, MW 112.55 g/mol) and 538.5 g of chloral (C₂HOCI, MW 147.39 g/mol), set up the table below that represents 100% yield with the given reaction conditions. 2 C₂H₂CI + C₂HOCI CH.CI 14 9 5 + H₂Oarrow_forwardUse 1 decimal point for all atomic masses. 12.3 g of NCl3(g) are reacted with 0.605 g of H2(g) by the following reaction NCl3(g) + 3H2(g) --> NH3(g) + 3HCl(g) What is the limiting reagent? NCl3(g) H2(g) Based on the limiting reagent, what should the yield of NH3(g) be? garrow_forward
- For the following reaction, 5.68 grams of chlorine gas are mixed with excess phosphorus (P4) . The reaction yields 5.34 grams of phosphorus trichloride .phosphorus (P4) ( s ) + chlorine ( g ) phosphorus trichloride ( l ) What is the theoretical yield of phosphorus trichloride ? grams What is the percent yield for this reaction ? %arrow_forwardThe theoretical yield of product for a particular reaction is 37.06 g. A very careless student obtained only 35.47 g of product after carrying out this reaction. What is the percent yield that this student obtained? Enter a number only; do not spell Include the correct number of significant figures for your answer Answer: % yieldarrow_forwardIf the theoretical yield of a reaction is 22.6 gg and the actual yield is 19.9 gg , what is the percent yield? Express your answer to three significant figures.arrow_forward
- Gaseous methane CH4 reacts with gaseous oxygen gas O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O. What is the theoretical yield of water formed from the reaction of 0.80g of methane and 1.6g of oxygen gas? Be sure your answer has the correct number of significant digits in it.arrow_forwardWhat is the theoretical yield if the actual yield is 5.46 g and the percent yield is 72.3 %?arrow_forward
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