3. This reaction can be used to analyze for iodide ion. 10 g + 5 +...
3. For the reaction 103 (aq) + 51(aq) + 6H*(aq) → 312(aq) + 3H2O(1) the rate of disappearance of I (aq) at a particular time and concentration is 2.6 x 10-' mol/(L · s). What is the rate of appearance of 12(aq)? A) 4.3 10-' mol/(L •s) B) 7.8 x 10-3 mol/(L • s) C) -1.6 x 10 mol/(L • s) D) 1.6 x 10' mol/(L •s) E) 6.4 x 10^'mol/(L •s) 4. For the first-order reaction 1/2 N2O4(g) →...
QUESTION 6 From the following data, the reaction order for Ais___and the reaction order for Bis A Second order for A: first order for B B. zero order for Azero order for B C. zero order for Afirst order for B D. first order for As first order for B E. None of the answers are correct. QUESTION 7 You are trying to determine the reaction rate for a reaction with several intermediate steps. The rate for the overall reaction...
The decomposition of phosphine, PH3, follows first-order kinetics: 4 PH3(g) → P4(g) + 6 H2(g) Calculate the activation energy, Eq, in kJ/mol for the reaction, given that the rate constant k (at 25 °C) = 0.00852 s 1 and k (at 50 °C) = 0.756 s 1. 231 kJ/mol 144 kJ/mol O 56.5 kJ/mol О 99.3 kJ/mol O 111 kJ/mol
The reaction 2N0(g) + C12(g) --+2NOCl(g) was studied at 1o°C. The following results were obtained where Δ[C12] Rate Initial Rate (mol/L-min) INOlo (mol/L) [Clalo (mol/L 0.10 0.10 0.20 0.10 0.20 0.20 0.18 0.36 1.45 a. What is the rate law? b. What is the value of the rate constant? (2) The rate law for the reaction at some temperature is: NOBr a. If the half-life for this reaction is 2.00 s when [NOBro 0.900 M, calculate the value of k...
The reaction between ethyl iodide and hydroxide ion in ethanol (C2H5OH) solution, C2H5I(alc) + OH(alc)+C2H5OH() + (alc), has an activation energy of 86.8 kJ/mol and a frequency factor of 2.10 x 1011 M-15-7 Part A Predict the rate constant for the reaction at 31 °C 190 AED k Submit Request Answer Part B A solution of KOH in ethanol is made up by dissolving 0.304 g KOH in ethanol to form 246.0 mL of solution. Similarly, 1.586 g of C,...
1) 2) 3) The decomposition of dinitrogen tetroxide to nitrogen dioxide at 400°C follows first-order kinetics with a rate constant of 3.84 X10-3-1. Starting with pure N204, how many minutes will it take for 38.0% to decompose? Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0.374 M/min. The reaction is observed to follow zero-order kinetics. If the initial concentration of the hydrocarbon is 2.90 M, what is the half-life of the reaction in seconds?...
The experimental rate constant for the reaction of iodide ion with methyl bromide is 7.70×10−3L/(mol·s) at 50 °C and 4.25×10−5 L/(mol·s) at 0 °C. What is the activation energy and frequency factor for this reaction in kJ/mol? R=8.314 J/(mol·K)
9,10,11 9. Consider the decomposition reaction of N2Os. 2 N203(g) → 4NO2(g) + O2(g) follows the first order kinetics with rate constant of 4.8 x 10's. (a) if the initial 165 x 10-2M what is the concentration at 825 s? (b) How long it will take for concentration is 1.65 x 10-2M what is the concentrat the concentration of N2Os to decrease to 1.00 x 10-2M? t 10. Nitrosyl chloride, NOCI, decomposes slowly to NO and Cl2, the reaction follows...
do asap part 1 part 2 part 3 part 4 5. If the activation energy for degradation by decreases to 12 kcal/mol under basic conditions from 18 kcal/mol at neutral pH while the temperature remains at 4'C, how does the shelf-life change? The frequency factor is 1.224x108. Please use reasonable units for the shelf-life. 6. A liquid preparation of aspirin needs to be filled at a concentration of 325 mg/5 mL. The solubility of aspirin is 0.33% (w/v). a.) Is...
A first-order chemical reaction is observed to have a particular reaction rate at 20°C. If its activation energy is 27.5 kJ/mol, how much of an increase in temperature (in °C) would be necessary in order to triple the reaction rate.