Practice Problem CONCEPTUALIZE
Which equation is correct for calculating for a gaseous reaction that occurs at constant volume?
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Chemistry
- Which of the following best describes the reaction? 2 H2S(g) + 3 02(g) → 2 H,0(g) + 2 SO2(g) A) AS° has a large negative value. B) AS° has a small negative value. C) AS° has a large positive value. D) AS° has a small positive value. E) AS° is zero.arrow_forwardQuestion 14 Part A For the reaction below, what can you conclude about AG rxn H₂(g) + Br₂(g) 2 HBr(g) K= 2 x 1019 (at 25°C) ► View Available Hint(s) O O AG rxn>0 AG rxn <0 ΔG, There is not enough information to determine the sign or magnitude of AG rxn Submit rxn Provide Feedback for the reaction? = 0 MacBook Pro P Pearsarrow_forwardavailable until you sign i ual I Review I C Part A Dinitrogen tetroxide decomposes to form nitrogen dioxide according to the following reaction: N204(g) 2NO2 (g), Kp = 6.7 at 298 K A reaction vessel contains 0.85 atm of N204 and 2.0 atm NO2. Which statement is true of the reaction system? • View Available Hint(s) The reaction system proceeds to the left (forming more reactant). The reaction system is at equilibrium. The reaction system proceeds to the right (forming more product). It is impossible to determine the future progress of the reaction based on the information given. Submit Part B ases to form hromochloridearrow_forward
- How many of the following processes will have a positive ASgys ? a) N2(g) – 2 N(g) b) K(t) – K(s) c) 3 O2(g) – 2 03(g) d) CaCO3(s) – CaO(s) + CO2(g) e) compressing 5.0L of Cl2(g) to 1.0 L (constant temperature) 5 1 O 2 3.arrow_forwardMastered Consider the reaction: 2N2(g) + O2(g) → 2N₂O(g) Using standard thermodynamic data at 298 K, calculate the free energy change when 2.14 moles of N₂ (g) react at standard conditions. AGO rxn Substance AG (kJ/mol) N₂O(g) N₂ (9) O₂(g) = kJ 104.2 0.0 0.0 bonarrow_forwardClear my choice Acetic acid, which is used to make many important compounds, is produced from methanol and carbon monoxide. This endothermic reaction is catalyzed over rhodium and iodine. According to LeChatelier's Principle, predict whether each of the following changes in the system will shift the equilibrium left, right, or neither. CH3OH(,) + CO(,) + 207.9 kJ → CH;CO2H(,) The concentration of CO is increased v Choose... neither Volume of the container is increased right left The concentration of CH3OH is decreased The concentration of CH3CO2H is decreased by removing acetic acids as it forms Choose... The temperature is decreased from 300° C to 175° C Choose... Addition of rhodium and iodine Choose... Which of the following burns most slowly? Select one: O a. powdered coalarrow_forward
- What is AG for the reaction CaO (s) + CO₂(g) → CaCO3(s)? Substance CaO (s) CO₂ (g) CaCO, (s) Question 13 of 13 AG°f (kJ/mol) -603.3 -394.4 -1128.2 1 4 7 +/-arrow_forwardAutomobiles and trucks pollute the air with NO. At 2000.0°C, K, for the reaction is 5.82 × 10-4, and AH° for the reaction is 180.6 kJ. N, (g) +O2(g) 2NO(g) 6th attempt Feedback See Periodic Table What is the value of K at 1000.0°C? X 3.20 x 10 -8arrow_forwardQUESTION 26 In a reversible process, AS + AS is sys surr O 0arrow_forward
- Practice 32 Given the reaction, A + C + 50 kJ Which diagram below best represents the potential energy change for this reaction? A+ B A+B A+B Reaction Coordinate 1) Reaction Coordinate 2) Reaction Coordinate 3) Reaction Coordinate 4) Practice 33 The potential energy diagram below was drawn for a reaction that forms 2 moles of a substance. According to Reference Table I, which substance was formed from the reaction? 1) 2A12O3(s) 2) 2HI(g) 3) 2H20(e) 4) 2NH3(g) O Reaction Coordinote ©2019 E3 Scholastic Publishing. All Rights Reserved Patential Energyarrow_forwardVerizon 9:45 PM O 66% Show Time's Up! Answer Which of the following is the correct expression for the pressure based equilibrium constant for the reaction: CaCO3 (s) = CO2 (g) + Cao (s) A) Kp = Pco,Pcao B) Kp = Pco2 C) Pco, Pcao Kp Pcaco3 Pcao D) Kp Pcaco3 A) e problem imagearrow_forwardCanvas Question 21 esc What is the numerical value of the equilibrium constant at 25°C for the reaction below? 2 SO₂ (g) + O₂(g) → 2 SO3 (g) Substance. Å ΔΗ, (kJ/mol) S° (J/mol K) O 3.82 x 1023 O 2.40 x 1024 O 1.06 O 1.95 Question 22 ! SO₂ (g) Q -297 249 @ 2 W # 3 0₂ (8) $ % 170099899 4 5 R E 0 205 SO3 (g) -395 256 MacBook Pro T 6 Y * & ( U Karrow_forward
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