MDC Wolfson Campus Chemical Kinetics Extra Credit-CHM 1046 (L Instructor Luca DO
ID: 498988 • Letter: M
Question
MDC Wolfson Campus Chemical Kinetics Extra Credit-CHM 1046 (L Instructor Luca DOtone (student copy) Q(10 Kinetics is a) The area of Chemistry focusing on the heath fiowofa chemical process. b) The area of Chemistry concemed with the rates of The area of Chemistry dealing with compounds d The area of Chemistry studyng the geo chemical transformations Q The rate of a chemical reaction is measured as: a) The kinetic constant b)A state function. c The change in the concentraton of one of the reactants per unit of time. The collision frequency. Q(3 The units of for the rate of a chemical reactoncan be expressed as: a) Moles. b) Grams. Q(4) How does the instantaneous rate of neaction, for a simple process.changes as the reaction proceeds at remains constant. bOlt slows down, c) It speeds up depends on the nature of the chemicals involved in the process. Q(5 What is the statement that best characterizes the overalreaction rate? a The difference of the orders of each reactant minus the orders of each product. b) The sum of the orders of each reactant plus each product represented intherale law. The difference of the orders of each product minus the orders ofeach reactant. d The sum of the orders with respect to eachreactant represented Rate Data for the Reacton of CH Cl with Water Time.tls CHC Moesl Average Rate Moles 100 008 200 007 Given te folowng kinetic data above calaulate the instantaneous rate for the disappearance of Cehia at to s. a) 1.9 X10-Moles s b) 1.7X104 Moles s 1 16x 10-4 Moles si d) cannot be QXT Given te folowng kinetic data below caloulate the instantaneous rate for the of CHC at tr50 s. a) 19X10- Moles s1 b) 1.7X10-Moles s 1 16X 10-4 Moles si d) cannot be Q8 Given the following kinetic data below calculate the instantaneous rate for theExplanation / Answer
1
Answer is (b)
From defination: Kinetics is the branch of chemistry or biochemistry concerned with measuring and studying the rates of reactions.
2.
Answer is (c)
From defination: The Reaction Rate for a given chemical reaction is the measure of the change in concentration of the reactants or the change in concentration of the products per unit time.
3.
Answer is (c)
From defination: Change in concentration (moles) per unit time (second).
4.
Answer is (d)
Its from defination
5.
Answer is (d)
From defination: The concentration of each reactant will occur in the rate equation, raised to some power. Those powers are the individual orders of reaction. The overall order of the reaction is found by adding them all up.
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