A reaction of the type A→B+C has a rate constant k=3.6× 10 −5 M/s . Part A Part complete What is the order of the reaction? What is the order of the reaction? zeroth order first order second order SubmitPrevious Answers Correct Part B What is the molarity of A after a reaction time of 28.0 min if the initial concentration of A is 9.4×10−2 M ? Express your answer using two significant figures. [A] [ A ] = 1920 M SubmitPrevious AnswersRequest Answer Incorrect; Try Again; 3 attempts remaining Part C What is the half-life (in minutes) of the reaction in part (b)? Express your answer using two significant figures. t 1/2 t 1 / 2 = nothing min
A reaction of the type A→B+C has a rate constant k=3.6× 10 −5 M/s . Part...
A skateboarder travels on a horizontal surface with an initial velocity of 4.4 m/s toward the south and a constant acceleration of 1.7 m/s2 toward the east. Let the x direction be eastward and the y direction be northward, and let the skateboarder be at the origin at t=0 . Part A Part complete What is her x position at t=0.70s ? Express your answer to two significant figures and include appropriate units. -- SubmitPrevious AnswersRequest Answer Part B Part...
The following reaction was monitored as a function of time: AB→A+B A plot of 1/[AB] versus time yields a straight line with slope 5.8×10−2 (M⋅s)−1 . You may want to reference (Page) section 13.4 while completing this problem. Part A Part complete What is the value of the rate constant (k) for this reaction at this temperature? Express your answer using two significant figures. -- SubmitPrevious AnswersRequest Answer Part B Part complete Write the rate law for the reaction. --...
The following data show the rate constant of a reaction measured at several different temperatures. Temperature (K) Rate Constant (1/s) 300 1.19×10−2 310 3.64×10−2 320 0.104 330 0.278 340 0.703 Part A Part complete Use an Arrhenius plot to determine the activation barrier for the reaction. Express your answer using three significant figures. -- SubmitPrevious AnswersRequest Answer Part B Part complete Use an Arrhenius plot to determine frequency factor for the reaction. Express your answer using two significant figures. --...
Describe how to prepare each solution from the dry solute and the solvent. Part A Part complete How much dry solute would you take to prepare 135 mL of 0.100 M NaNO3 ? Express your answer using three significant figures. -- Part B Part complete How much dry solute would you take to prepare123 g of 0.120 m NaNO3 ? Express your answer using three significant figures. -- msolute m s o l u t e = nothing gNaNO3 Part...
Part A Part complete Calculate [H3O+] in the following aqueous solution at 25 ∘C : [OH−]= 5.3×10−4 M . Express your answer using two significant figures. -- SubmitPrevious AnswersRequest Answer Part B Part complete Calculate [H3O+] in the following aqueous solution at 25 ∘C : [OH−]= 2.4×10−12 M . Express your answer using two significant figures. -- [H3O+] [ H 3 O + ] = nothing M SubmitPrevious AnswersRequest Answer Part C Part complete Calculate [H3O+] in the following aqueous...
Hydrogen iodide decomposes slowly to H2 and I2 at 600 K. The reaction is second order in HI and the rate constant is 9.7×10−6M−1s−1. Part A What is the half-life (in days) of this reaction when the initial HI concentration is 0.120 M ? Express your answer using two significant figures. t1/2 t 1 / 2 = days Previous AnswersRequest Answer Incorrect; Try Again; 4 attempts remaining Part B How many days does it take for the concentration of HI...
The acid-dissociation constant for benzoic acid (C6H5COOH) is 6.3×10−5. Calculate the equilibrium concentration of H3O+ in the solution if the initial concentration of C6H5COOH is 0.065 M . Express your answer using two significant figures. TemplatesSymbols undoredoresetkeyboard shortcutshelp [H3O+] [ H 3 O + ] = M SubmitPrevious AnswersRequest Answer Incorrect; Try Again; 5 attempts remaining Part B Calculate the equilibrium concentration of C6H5COO− in the solution if the initial concentration of C6H5COOH is 0.065 M . Express your answer...
The decomposition of SO2Cl2 is first order in SO2Cl2 and has a rate constant of 1.40×10−4 s−1 at a certain temperature. Part A Part complete What is the half-life for this reaction? t1/2 = 4950 s SubmitPrevious Answers Correct Part B Part complete How long will it take for the concentration of SO2Cl2 to decrease to 25% of its initial concentration? Express your answer using two significant figures. t = 9900 s SubmitPrevious Answers Correct Part C Part complete If...
A cooling fan is turned off when it is running at 890 rev/min . It turns 1400 revolutions before it comes to a stop. Part A What was the fan's angular acceleration, assumed constant? Express your answer using three significant figures. α α = −.400 rad/s2 SubmitPrevious AnswersRequest Answer Incorrect; Try Again; 8 attempts remaining Part B How long did it take the fan to come to a complete stop? Express your answer to three significant figures and include the...
Part A Calculate the average rate of reaction, in M/s, for the time interval between each measurement. Express the reaction rates in molarity per second to two significant figures separated by commas. The rate of disappearance of HCl was measured for the following reaction: CH3OH(aq) + HCl(aq) → CH3C1(aq) + H2O(1) The following data were collected (M) Time (min) HC 0.0 54.0 107.0 215.0 430.0 7(0-54 min) , r(54-107 min) , γ(107-215 min) , r(215-430 nin,- M/s 1.85 1.58 1.36...