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wThe conversion of
equilibrium shifted when the temperature is (a) increased; (b) decreased?
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- The following reaction is at equilibrium. SO2 (g) + NO2 (g) = SO3 (g) + NO (g) What will be the effect of adding more SO3? Q increases and the reaction shifts in the direction of the products. Answer 1: increases Answer 2: reactants productsarrow_forwardConsider the following reaction and associated equilibrium constant: aA(g)+bB(g)=cC(g) Kc = 4.5 Assume that a=1, b=1, and c=1 and assume that the initial concentrations of A and B are each 1.0 M and that no product is present at the beginning of the reaction. What is the equilibrium concentration of C? Answer: M (2 sig figs)arrow_forwardIII. Write whether the direction of the reaction will go FORWARD, REVERSE or NO CHANGE. 2 A) + Bigl Q+heat 1. Pressure increased 2. Volume decreased 3. 2A removed 4. B added 5. System was cooled. 6. Catalyst was added. Q was collected. 7. Both B and Q were removed; same amount. Temperature was increased. Both B and Q were added; same amount. 8. 9. 10.arrow_forward
- Consider the following reaction: N2 (g) + 3H, (g) = 2NH3(g) Given that K, = 3.6×10“, calculate the value of K at 39°C. HOW DO WE GET THERE? What is An? An = Check Next (2 of 3)arrow_forwardEquilibrium reaction Keq expression Stress applied Effect Equilibrium Shi (encircle your answer) (encircle your answer) (increase, decrease, change) in H2le) + Cl2te) 2 HCI(g) Decreasing the Forward pressure no Backward (HCI)2 the No Shift K= ( H2)(Cl2) number of moles of HCl(g) e (increase, decrease, change) in Fe;O4(s) + 4 H2(g) + heat 3 Fe(s) + 4 Increasing Forward temperature Backward no H,O(g) (H20)* the No Shift K= (H2)4 volume of water 2 NO(g) + O,(g) 2 NO2(g) + heat vapor collected f (increase, Addition Forward helium decrease, Backward no K= (NO2)? change) in the No Shift (NO)2 (02) number of moles of NO H,CO3(aq) CO.(aq) + H,0(1) Removal of C (increase, decrease, change) amount of H,CO3 (increase, decrease, change) amount of O2 Forward (CO2) K= no Backward (H2CO3) in the No Shift 4 NH3(g) + 5 0,(g)4 NO(g) H,O(g) + heat Increasing Forward + 6 (NO )* (H20) temperature K= no Backward (NH3) (02)5 in the No Shiftarrow_forwarded 2NH3(9) N2(g) + 3H₂(g) The equilibrium constant, K, for the following reaction is 1.87 at 674 K. Calculate Ke at this temperature for the following reaction: NH3(g) =1/2N2(g) + 3/2H₂(g) Kc LO 104-55 important Submit Answer Retry Entire Group TOP this ques 8 more group attempts remainingarrow_forward
- issue 13Among the equations below, indicate all those that are exothermic. i. HNO3(aq) + KOH(aq) → KNO3(aq) + H2O(l) ∆H = -53 kJ ii. Fe3O4(s) + CO(g) + 38 kJ → 3FeO(s) + CO2(g) iii. CaO(s) + H2O(l) → Ca(OH)2(aq) + 65.2 kJ iv. H2O2(l) → H2(g) + O2(g) ∆H = 188 kJ v. NaOH(s) + HCl(l) → NaCl(s) + H2O(l) ∆H = -178 kJ issue 14Among the substances below, identify the one that will have a standard enthalpy of formation (∆Hf) equal to 0 kJ/mol.a) Al(s)b) CaCl2(s)c) MgCl2(l)d) KBr(s) issue 17A sample of ethylene glycol, used in automobile radiators, has a mass of 33.7 g. This sample releases 781 J of heat. The initial temperature of the sample is 21.8°C. What is its final temperature?arrow_forward(Q100) Consider the hypothetical reaction, which has an equilibrium constant (K,) of 15.3 when the reaction occurs at 167°C. 2 W (g) + X (g) 3 Y (g) If the equilibrium partial pressure of W is 0.573 atm and that of Y is 1.23 atm, what will the equilibrium partial pressure (in atm) of X be? (3 sf)arrow_forwardcer the Mastery) At 1100 K, K, = 0.15 for the reaction 2SO2 (9) + O2 (g) 2S03 (g) What is the value of K at this temperature? K = Submit Answer Try Another Version 5 item attempts remaining Show Farrow_forward
- How many kJ are released when 2.00 mol of NaOH is formed in the reaction? 2Na2O2 (s) + 2H2O (1) --> 4NaOH (s) + O2 (g) TriangleH= -126 kJ a) 252 b) 63 c) 3.9 d) 7.8 e) -126arrow_forwardH2(g) + 12(g) = 2HI(g) (= is equilibrium sign) At particular temperature, The equilibrium constant (K) = 100 If 1.0 mole of H2, 1.0 mol of I2 and 1.79 mol of HI are introduced into 1.00 L container. The concentration of HI when equilibrium is reached is Write your answer to 1 d.p e.g 7.6 Answer:arrow_forwardi Assignment Score: O Macmillan Learning I molecular equation: 37.5% SPECIAL ΔΣΩ λμπ (g) XoX Write the overall molecular equation for the reaction of hydroiodic acid (HI) and potassium hydroxide. Include physical states. Enter the formula for water as H₂O. () [] (s) (1) (aq) Resources 11 CLR ➡ Give Up? ↑ Hint Check Answer Attempt 2 KXarrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
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