The transition state(s) is/(are) located at which point(s) in the diagram? C Reaction Progress A) A only B) C only C) B and D D) A, B and D E) A and C Energy

ANSWER WITH EXPLANATION

When the reaction Cr2O72- + ClO2- → Cr3+ + ClO2 is balanced, what is the coefficient for ClO2 ?a) 12b) 6c) 3d) 1e) Not sure

QUESTION 28 BrZ For the reaction to the right, a mixture of two products is obtained at both high and low temperature (though in different proportions). What are the identities of the two products? Br Br Br Br Br Br (X) CY) (2) (W) (a) W and X (b) W and Y (c) X and Y (d) W and Z O Answer (a) O Answer (b) O Answer (c) O Answer (d) QUESTION 29

Part A)   The standard molar heat of formation of water vapor (steam) is -242 kJ/mol. What amount of energy, in kilojoules, is produced when 1.50*108 liters of hydrogen gas at STP are combusted with excess of oxygen.   (a)  1.50x108                   (b)    1.62x10-9                             (c)      1.62x109                       (d)      8.10x108 (e)  None of those. If so, what is your answer?     Part B)  In a reaction between nickel (II) nitrate and sodium sulfide in aqueous solution, spectator ions are: (a)    sodium & sulfide (b)    nickel & nitrate (c)    sodium & nitrate (d)    nitrate & sulfide (e)    There are no spectator ions     Part C)   Carbon dioxide diffuses through a porous barrier at a rate of 0.200 mL/min. If the unknown gas diffuses through the same barrier and at the same conditions at a rate of 0.331 mL/min, what gas out of the following it may be? (a)  Ar               (b)    H2              (c)    NO              (d)     CH4…

Need help with number 7 please

2.6 g sodium with 5 g chlorine  gas recovers 5.8 g sodium  chlorine whats percent  yield

Question: Consider a chemical reaction where a gaseous reactant A reacts with a solid reactant B to form a gaseous product C. The reaction is exothermic and highly endothermic. Discuss the factors that influence the reaction rate and provide an explanation for the observed energy changes during the reaction

QUESTION 26 The kinetic energy of a 2000.0 g bowling ball traveling at 8.0 m/s is A) 1.20 x 103 B) 64 C) 11.9 D) 1.3 x 102 E) 23.7 J. a. O e