TOPIC: Preparation of EthyleneExpound and explain the given answer to the question. How would you measure the yield of the ethylene gas?It should be measured by volume since the set-up is simple distillation andthe volume can be measured by graduated cylinder.

To identify: How can we measure the acetylene gas yield.

Answered: How would you measure the yield of the…

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter8: Thermochemistry

Section: Chapter Questions

Problem 86QAP

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Convert 45 mi/h to m/s, showing how the units cancel appropriately.
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In an experiment, sulfuric acid reacted with different volumes of sodium thiosulfate in water. A yellow precipitate was formed during the reaction. A cross drawn at the base of each flask became gradually invisible due the formation of this yellow precipitate. The time taken for the cross to become invisible was recorded. A partial record of the experiment is shown. Experimental Record Flask Volume ofH2SO4 Volume ofSodium Thiosulfate Volume ofWater Time 1 5 mL 50 mL 0 mL 19 seconds 2 5 mL 40 mL 10 mL 3 5 mL 30 mL 20 mL 4 5 mL 20 mL 30 mL Based on your knowledge of factors that affect the rates of chemical reactions, predict the trend in the last column of the experimental record. Use complete sentences to explain the trend you predicted. You do not have to determine exact values for time; just describe the trend you would expect (increase or decrease) and why it occurs.
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12. (c) Potassium metal reacts with water. 2K(s) + 2H,0(1) → 2KOH(aq) + H,(g) 0.2346g of potassium is reacted with excess water. Calculate the volume of gas formed. The gas volume is measured in cm° at room temperature and pressure. answer =
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You are checking the accuracy of a volumetric flask marked 10.00 mL. To calculate the volume of water contained in the flask, you first measure the mass of the empty flask and the mass of the flask filled with water and take the difference. Then, you correct for the buoyancy factor and divide by the density of the water. The result of 8 such measurements is given in the table. Measurement Volume (mL) 1 10.059 2 10.050 3. 10.009 4 10.062 Calculate the mean and the 95% confidence interval for these measurements. 10.025 6. 10.019 10.049 8. 10.020 ml. 10.036 mean: 10.021 mL 95% confidence interval: + Incorrect
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Ideal and perfect gas - basic concepts.

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How would you measure the yield of the ethylene gas? It should be measured by volume since the set-up is simple distillation and the volume can be measured by graduated cylinder.