Chemistry Homework Help

24/7 Chemistry Homework Help

Get step-by-step solutions from expert tutors.

How it works?

Ask a question

Type, take a picture, or paste your question with all necessary details to ensure high-quality responses.

Get an answer in less than 24hrs

Once our tutors receive the question, they'll begin. You'll get an email once the solution is ready.

Get Notified

We will send you email and text notification to let you know when your question is answered.

Browse Homework Solutions

56 solutions

Percent Yield

Q. You work for a pharmaceutical company and are in charge with the production of acetaminophen. Currently, 2.85 tons of acetaminophen are produced when using 5.50×10^2 gallons of acetic anhydride and 2.75 metric tons of p-aminophenol. What is the percent yield of the reaction? Write answer to three significant figures.

Solved • Nov 7, 2019

Percent Yield

Q. Consider the reaction. 2Pb(s)+O2(g)⟶2PbO(s) An excess of oxygen reacts with 451.4 g of lead, forming 303.1 g of lead(II) oxide. Calculate the percent yield of the reaction. percent yield:

Solved • Nov 6, 2019

Percent Yield

Q. Assuming an efficiency of 39.10%, calculate the actual yield of magnesium nitrate formed from 143.6 g of magnesium and excess copper(II) nitrate. Mg+Cu(NO3)2⟶Mg(NO3)2+Cu actual yield:

Solved • Nov 6, 2019

Percent Yield

Q. You work for a chemical company and have been tasked with synthesizing acetylsalicylic acid. Currently your R&D group can achieve a 55% yield for acetylsalicylic acid using salicylic acid and acetic anhydride. Your R&D group has been sent 1.90 tons and 3.00×10^2 gallons of acetic anhydride. How much acetylsalicylic acid (in kg) can actually be produced by your group?

Solved • Oct 30, 2019

Percent Yield

Q. What mass of water is produced by the reaction of 50.0 g CH3OH with an excess of O2 when the yield is 53.2 percent? 2CH3OH + 3O2 --> 2CO2 + 4H2O

Solved • Oct 29, 2019

Percent Yield

Q. Consider the following unbalanced equation: O2(g) + C5H12(l) → CO2(g) + H2O(l) If 15.6 moles of O2(g) and 2.76 moles of C5H12(l) are allowed to react, what is the theoretical yield of H2O(l) in moles?

Solved • Oct 27, 2019

Percent Yield

Q. Consider the following unbalanced equation: O2(g) + C4H10(g) → CO2(g) + H2O(l) If 3.44×102 moles of O2(g) and 36.9 moles of C4H10(g) are allowed to react, and the percent yield is 87.0%, how many moles of CO2(g) will actually be produced?

Solved • Oct 27, 2019