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- Which of the following is true ? a. A spontaneous reaction means the rate of reaction is fast. b. Chemical reaction with Gibbs Free Energy lepss than zero means reaction will proceed as written without intervention. c. Spontaneity of reaction is dependent on heat of enthalpy and entropy only. What is Molarity of a 5.00% (v/v) acetic acid ? Density of pure acetic acid is 1.05 g/mL. MM Acetic Acid: 60.05 g/mol When left in an open beaker for a period of time, the volume of 275 mL of 0.105 M NaCl is found to decrease to 237 mL because of the evaporation of water. What is the new concentration in M of the solution?Pls ignore the highlighted part __________ is reduced in thefollowing reaction: Cr2O72- + 6S2O32-+ 14H+→ 2Cr3+ + 3S4O62- + 7H2OConsider the following energy profile. (a) How many elementary reactions are in the reactionmechanism? (b) How many intermediates are formed inthe reaction? (c) Which step is rate limiting? (d) For theoverall reaction, is ΔE positive, negative, or zero?
- kindly sopve step by stepHi, 40) The rate of a particular reaction doubles when the termperature increases from 25oC to 35oC. Explain why this happens. Thanks,The reaction A → C proceeds by a stepwise mechanism: A → B, overall ΔE = 73 kJ/mol; Ea = 97 kJ/mol B → C, overall Δ E = -103 kJ/mol; Ea = 132 kJ/mol Which step is rate-determining?
- Draw an energy diagram for each reaction. Label the axes, the starting material, product, transition state, ?H°, and Ea.a. a concerted reaction with ?H° = –80 kJ/mol and Ea = 16 kJ/molb. a two-step reaction, A -> B ->C, in which the relative energy of the compounds is A < C < B, and the step A -> B is rate-determining.Which reaction occurs more quicklyShow the DlRECTlON OF ARRØWS and IabeI the Carbons to show the mechanism of the two reactions.