Z bread + a. If you make sandwiches using 5 pieces of bread and 5 slices of cheese, how many sandwiches can be made? Show a calculation using dimensional analysis and the ratio from the reaction to prove your answer. cheese → I sandwich (kinished product) 2;1 5 bread + 5 chien Two Jandwiches are made from 5 pieces of bread and 5 Slices of chase. b. Now, explain what you observed, using the terms limiting reagent, excess reagent, and theoretical yield. The bread is the limiting reagent and the cheese is the exces reagent. The theretical yield

Z bread + a. If you make sandwiches using 5 pieces of bread and 5 slices of cheese, how many sandwiches can be made? Show a calculation using dimensional analysis and the ratio from the reaction to prove your answer. cheese → I sandwich (kinished product) 2;1 5 bread + 5 chien Two Jandwiches are made from 5 pieces of bread and 5 Slices of chase. b. Now, explain what you observed, using the terms limiting reagent, excess reagent, and theoretical yield. The bread is the limiting reagent and the cheese is the exces reagent. The theretical yield

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Planning and DOING a single replacement reaction
Mg + 2HCl → MgCl2 + H2 This experiment was performed two times. All values are valid to one decimal place. If the decimal place is not shown, add a ".0" Experiment Mass of Mg (mg) Starting Temperature (°C) Final Temperature (°C) 1 2 19.6 20.7 19.5 20.7 33 33.5 The previous page contained data from two experimental runs for the reaction between magnesium and hydrochloric acid. Mg+ 2HC! MgCl2 + H2 First, how many moles (n) of Mg reacted with the HCI? Use the average value of the two masses from your provided data set. Answer: 0.001658 I Mg + 2HCI MgCl2 + H2 Next, what is the amount of heat absorbed by the water (qsurr) in the experiment? Use the average AT from your data to calculate a single value for q. Report your answer in J. Remember to consult the lab manual and/or the video for any values you might need. Answer: Mg + 2HC! MgCl2 + H2 Finally, calculate A,H for this reaction and report your answer in kJ/mol. Answer:
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For the following chemical reaction, CO (g) + H₂O (g) → CO2 (g) + H₂ (g) Kc = 0.0257 What is the Kc expression for this reaction? O a. Kc = [CO]/[CO2][H2] O b. Kc = [CO2][H2]/[CO] O c. Kc = [CO2][H2]/[CO][H2O] O d. Kc = [CO][H2O]/[CO2][H2]
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The yield of a chemical process, expressed in percentage of the theoretical maximum, is measured with each of two catalysts, A, B, and with no catalyst (Control: C). Five observations are made under each condition. Making the usual assumptions for an analysis of variance, test the hypothesis that there is no difference in mean yield between the three conditions. а. Catalyst A Catalyst B Control C 81.5 TT 79.2 74.8 80.1 80.7 76.5 77.4 80.5 74.7 81.7 77.6 77.8 74.8 74.9 80.6
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11. How much iron, in kg, would need to be used in excess oxygen to produce 1,679 g of rust (iron(III) oxide)? use dimensional analysis to complete this question