Chemistry, 29.03.2021 03:40 mcckenziee
PLEASE HELP ME I CANT FAIL THIS EXAM
In the following reaction, oxygen is the excess reactant.
SiCl4 + O2 → SiO2 + Cl2
The table shows an experimental record for the above reaction.
Experimental Record
Trial Starting Amount of SiCl4 Starting Amount of O2 Actual Yield of SiO2
1: 100 g, 100 g, 32.96 g
2: 75 g, 50 g, 25.2 g
Calculate the percentage yield for SiO2 for Trial 1. Also, determine the leftover reactant for the trial. Show your work.
Based on the percentage yield in Trial 2, explain what ratio of reactants is more efficient for the given reaction.
(8 points)
Answers: 2
Chemistry, 22.06.2019 02:50
Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.
Answers: 3
Chemistry, 22.06.2019 22:00
All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice
Answers: 1
Chemistry, 23.06.2019 00:00
Total the mass on the syringe. record it in the correct row of the data table. kg done click and drag weights to change the pressure. click the syringe to zoom in and see the volume. intro
Answers: 3
PLEASE HELP ME I CANT FAIL THIS EXAM
In the following reaction, oxygen is the excess reactant.
Mathematics, 16.10.2020 18:01
Physics, 16.10.2020 18:01
Health, 16.10.2020 18:01
Mathematics, 16.10.2020 18:01
Chemistry, 16.10.2020 18:01
Computers and Technology, 16.10.2020 18:01
Mathematics, 16.10.2020 18:01
History, 16.10.2020 18:01
Spanish, 16.10.2020 18:01
Mathematics, 16.10.2020 18:01
Mathematics, 16.10.2020 18:01
Computers and Technology, 16.10.2020 18:01
Health, 16.10.2020 18:01