t 0.00 2.00 4.00 6.00 8.00 10.00 12.00 | 14.00 (hr) [X2] 0.250 | 0.213 0.182 | 0.155 0.133 | 0.113 0.097 | 0.082 a. Determine the rate constant for this reaction. b. How much X2 is left if 0.457 M of the gas is allowed to decompose
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![The following data was obtained for the decomposition of X2 in the gas phase.
X2→Y + Z
0.00
2.00
4.00
6.00
8.00
10.00 12.00 14.00 16.00 18.00 20.00
(hr)
[X2] 0.250 0.213 0.182 0.155 0.133 0.113 0.097 | 0.082 0.070 0.060 0.051
a. Determine the rate constant for this reaction.
b. How much X2 is left if 0.457 M of the gas is allowed to decompose for 1.75 hours?
c.
What is the half-life of 0.892 M X2?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb574974f-d5f9-48b5-a03e-ee09231677d2%2Fc6a8d2aa-e9cb-4cb6-a8d1-4e45a4ec72ad%2F5asj3qt_processed.png&w=3840&q=75)
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- 1) Use Hess's Law to determine AH for the following target reaction. 3 CO₂(g) + 4 H₂O(g) b) C3Hg(g) + 5 O₂(g) C(s) + O₂(g) -CO₂(g) 2 H₂(g) + O₂(g) 3 C(s) + 4 H₂(g) →→→ 2 H₂O(g) C3H8(g) AH = AH = ΔΗ ΔΗ = ??? -2043 kJ -393.5 kJ -483.6 kJThe decomposition of N,O, can be described by the equation 2N,0, (soln) –→ 4 NO, (soln) + 0, (g) Consider the data in the table for the reaction at 45 °C in carbon tetrachloride solution. 1 (s) [N,O;] (M) 2.287 165 2.062 466 1.706 725 1.449 Given the data, calculate the average rate of reaction for each successive time interval. What is the average rate of reaction for the time interval from 0 s to 165 s? average rate of reaction: 0.00136 M/s Incorrect What is the average rate of reaction for the time interval from 165 s to 466 s?Here is the correct statement for Qc and Kc for a certain reaction. Qc value is determined by the concentrations of reactants and products at a particular moment rather than by the temperature, but Kc value stays the same at a certain temperature regardless of the concentrations. For the following reaction at 20oC, the Qc value at a particular time is equal to 3.5 x 10‒5 3A(aq) + B(aq) ⟶ 2C(aq) + D(aq) Kc = 5.5 x 10‒5 If the reaction temperature is suddenly increased to 40oC without affecting the concentration of each component in the system, which of the following is a correct prediction about Qc and Kc at this particular time at 40oC? Q ≠ 3.5 x 10‒5, K = 5.5 x 10‒5 Q ≠ 3.5 x 10‒5, K ≠ 5.5 x 10‒5 Q = 3.5 x 10‒5, K ≠ 5.5 x 10‒5
- In aqueous solution, chlorine dioxide oxidizes iodide ion to iodine and chlorine dioxide is reduced to chlorite ion. 2ClO2 (aq) + 2 I- (aq) ----> 2ClO2- (aq) + I2 (aq) The concentration in molarity, of ClO2 was measured at various time points. The data was plotted and the plot of [1/[ClO2] versus time in seconds was most linear. The linear regression equation for the plot is y= 7.60x10-2 (t) + 2.353. What is the concentration of ClO2 at 2.00 minutes if the initial concentration of ClO4 ia 0.425 M? a.) 0.0872 M b.) 2.50 M c.) 11.5 M d.) 0.399 MWrite a balanced equation for the overall reaction. Express your answer as a chemical equation. Identify all of the phases in your answer. Calculate E∘cell�cell∘. Express your answer to two decimal places.18. In an experiment, the data below was collected for this reaction: A + B - C + D Expérience initial speed [A] (mol/L) [B] (mol/L) (mol/L•s) 0,0299 1 0,0020 0,0030 0,0020 0,0060 0,0598 3 0.0040 0,0060 0,2392 Determine the equation for the law of reaction rate. Show reasoning.
- The rate at which crickets chirp depends on the ambient temperature, because crickets are cold-blooded insects whose body temperature follows the temperature of their environment. It has been found that the Celsius temperature can be estimated by counting the number of chirps in 8 seconds and then adding 4. In other words, te= (number of chirps in 8 seconds) + 4. (a) Calculate the number of chirps in 8 seconds for the temperature 20°C. chirps eTextbook and Media (b) The number of chirps per unit of time is directly proportional to the rate constant for a biochemical reaction involved in the cricket's chirp. On the basis of this assumption, make a graph of In(# of chirps) versus (1/T). Calculate the activation energy for the biochemical reaction involved using the values of temperature 20°C and 35°C. E, = i J/mol (c) How many chirps would a cricket make in 8 seconds at a temperature of 40°C? chirpsFor the imaginary reaction Z3 +A2 =Z2A+ ZA, K = 6.8 x 10*3. What is the K for ZA + Z2A =A2+ Z3? Please answer in 2 sig figs in scientificnotation. (Number on this blank). (exponent on this blank). 108:12 < Consider the equilibrium system described by the chemical reaction below. At equilibrium, a sample of gas from the system is collected into a 1.25 L flask at 25.0 °C. The flask is found to contain 2.35 g of NO2, 9.60 g of N₂O, and 4.50 g of O₂. What is the value of Kc for this reaction? 4 NO₂(g) 2 N₂O(g) + 3 O₂(g) Question 8 of 10 1 Submit
- decomposition: PbO2(s)→ Express your answer as a complete chemical equation, with reactants and products. Identify all of the phases in your answer.Mg(NO3)2+ (NH4)2C204→ Ca(NO3)2 + (NH4)2C2O4 – Sr(NO3)2 + (NH4)2C204 Ba(NO3)2 (NH4)2C2O4-The following reversible enzymatic reaction occurs in many areas of the body, but especially in red blood cells. The conversion of water and carbon dioxide into bicarbonate and hydrogen ions occurs through the action of an enzyme called carbonic anhydrase. Use the Law of Mass Action to predict which direction this equation will go under different circumstances. CO2 + H2O ↔ H+ + HCO3- Hyperventilating would increase the loss of carbon dioxide (CO2) from the blood. In what direction would the reaction above go in order to restore equilibrium? Left or right?