Standard versus Nonstandard Conditions In Part A, we saw that AG -242.1 kJ for the hydrogenation of acetylene under standard conditions (all pressures equal to 1 atm and the common reference temperature 298 K). In Part B, you will determine the AG for the reaction under a given set of nonstandard conditions. ▼ Part B At 25 C the reaction from Part A has a composition as shown in the table below. Pressure (atm) 4.85 AG= What is the free energy change, AG, in kilojoules for the reaction under these conditions? Express your answer numerically in kilojoules. View Available Hint(s) Submit Substance ΨΕ ΑΣΦ C₂ H₂(g) H₂(g) 5.35 C2 H6 (g) 5.25x10-² ? kJ

Standard versus Nonstandard Conditions In Part A, we saw that AG -242.1 kJ for the hydrogenation of acetylene under standard conditions (all pressures equal to 1 atm and the common reference temperature 298 K). In Part B, you will determine the AG for the reaction under a given set of nonstandard conditions. ▼ Part B At 25 C the reaction from Part A has a composition as shown in the table below. Pressure (atm) 4.85 AG= What is the free energy change, AG, in kilojoules for the reaction under these conditions? Express your answer numerically in kilojoules. View Available Hint(s) Submit Substance ΨΕ ΑΣΦ C₂ H₂(g) H₂(g) 5.35 C2 H6 (g) 5.25x10-² ? kJ

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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MW (mg/mmol) Density (mg/uL) Amount used vanillin 152.15 XXXXX 400.0 mg acetic anhydride 102.09 1.08 500. 0 µL 380.0 mg 194.18 ххххх vanillin acetate Calculate the amount of acetic anhydride that was present.
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doug began preparing laboratory surface disinfectant from chlorine bleach. he put on a chemical resistant apron and gloves and then removed the bleach container from the special chemical cabinet. he carefully placed the container on the laboratory benchtop and began to add the chlorine bleach to distilled water. nearby workers began complaining of burning eyes. doug was reprimanded by the supervisor. Explain why.
(a) Identify which of the structures (A and B) gives to the H NMR spectrum below. Explain your answer. Assign the proton signals in the H NMR spectrum. (b) (c) Calculate the coupling constant and draw the tree diagrams. Assign the coupling constants of the peaks at 3.1, 4.6 and 6.4 ppm in the tree diagrams. (There are '1, *), and J coupling in this compound. Be sure to indude all of them in the tree diagrams). H NMR Spectrum 3H 1H 1H 1H 14 12 44 40 (ppm)
16. The combustion of gasoline (octane) in a car engine can be represented by the following equation: 2C3H18(1) + 2502(g) a. What mass of oxygen is used up to burn a full tank of 36.00 kg of gasoline? Text --> 16CO2(g) +18H20(g) b. Why might a vehicle that is calibrated to run perfectly at sea level run poorly at higher elevations? Text Тext According to the Canadian Automobile Association, the average Canadian drives 20,000 km/yr. C. Assuming that distance, how many more kg of carbon dioxide are added to the atmosphere each year by a Toyota Tacoma (fuel economy of 12.8 L/100 km) than a Toyota Prius (4.52 L/100 km)? The density of gasoline is 0.719 kg/L.
3. Standard white vinegar you can buy in the grocery store is 5% concentration. That means 5% of the liquid vinegar is acetic acid and 95% of the solution is water. In a hardware store, you can buy industria strength vinegar, which is 30% concentration. This means that 30% of the vinegar is acetic acid, and the remaining 70% is water. Samuel does another experiment, this time with 5% vinegar and 30% vinegar. He sets up two science fair volcanoes (in no particular order), each with the same temperature, mass of baking soda and volume o vinegar. But one volcano uses 5% vinegar and the other volcano uses 30% vinegar. He measures the volume of gas production for the'first minute of each reaction, and he records the data below. Volcano # 1 Volume of gas produced (mL.) vs. Time (s) for Volcano #1 Time Volume of gas (s) produced (ml) 60 E 50 10 20 30 25 8 40 38 46 30 20 Volume of gas produced (ml) 40 50 50 60 52 of 10 53 20 40 60 80 Time (s) Volcano # 2 Volume of gas Volume of gas produced…
O Fash point of the given 272 °C=522 °F A flash point that is too low can be a fire hazard and may indicate contamination with Fire point of the given sample 320°C= 608°F more volatile components. Identify one volatile component in a petroleum mixture which may reduce the flash point of the mixture.
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tion 12 - Chapter 10 Home X ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fclasses.alaska.edu%252Fwebapps%252Fport ter 10 Homework i 2 ts Skipped eBook Hint Print References + Mc Graw Hill NH4NO3 → (Click to select) N20 + Balance the chemical equation. Note that you must select "1" if that is the correct coefficient, though the "1" is not typically written in a balanced equation, but is implied. (Click to select) NH4NO3 5 2 1 JUL 11 Saved (Click to select) H20 AN 1 átv Help A S
10. CHALLENGE. Calculate AHrxn. N2H4(1) + O2(g) → N2(g) + 2 H₂O(1) given: 2 NH3(g) + 3 N2O(g) → 4 N2(g) + 3 H2O(D) N2O(g) + 3 H2(g) → N2H4(D) + H₂O(1) ->> 2 NH3(g) + 12 O2(g) → N2H4(1) + H₂O(1) H₂(g) + O2(g) → H₂O(n) AH = -1013 kJ ΔΗ = -317 kJ AH = -142.9 kJ ΔΗ = -285.8 kJ
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