The first-order reaction C4H8→2C2H4 has the reaction constant k of 7.60×10−3 s−1. If the initial concentration of C4H8 is 0.325 M, what is the concentration of C4H8 after 20.0 seconds? The answer has three significant figures (3 decimal points).
At 6 oC the equilibrium constant for the
reaction:
2 HI(g) H2(g) + I2(g)
is KP = 2.66e-11. If the initial pressure of HI is
0.00837 atm, what are the equilibrium partial pressures of HI,
H2, and I2?
We were unable to transcribe this imageAt 6 °C the equilibrium constant for the reaction: 2 HI(g) = H2(g) + 12(g) is...
Given the following pKa's and initial concentration of reactants, to the nearest tenth, how much product is made in the following reaction? Charges are not shown. 8. 45 42 NH HO 5 M 10M d. 0.9 e. not a.-d. 0.7 b. 0.5 a. 0.3
Given the following pKa's and initial concentration of reactants, to the nearest tenth, how much product...
Additional Exercise 14.093 To study the following reaction at 20 oC, 2HNO2(g) NO(g)NO2(g) H20(g) a mixture of NO(g), NO2(g), and H20(g) was prepared in a 10.0 L glass bulb. For NO, NO2, and HNO2, the initial concentrations were as follows: [NO] = [NO2] = 5.78 x 10-3 M and [HNO2] = 0.0 M. The initial partial pressure of H20(g) was...
please help with question 25 a and b. showing all work
25. a. (3pts) A radioactive sample of substance X has initial mass 3.25mg. It decays by a first- order reaction. If its half-life = 5.6 days, calculate its mass after 11.2 days. Given k = 0.0490. On k= b. (4pts) Compound Z decomposes by a second-order reaction. We are...
The rate constant of a chemical reaction increased from 0.100 s−1 to 3.00 s−1 upon raising the temperature from 25.0 ∘C to 39.0 ∘C . Part A Calculate the value of (1T2−1T1) where T1 is the initial temperature and T2 is the final temperature. Express your answer numerically. Calculate the value of ln(k1k2) where k1 and k2 correspond to the...
Use the Arrhenius equation to calculate the activation energy. The rate constant of a chemical reaction increased from 0.100 s−1 to 2.70 s−1 upon raising the temperature from 25.0 ∘C to 43.0 ∘C . a) Calculate the value of (1/T2−1/T1) where T1 is the initial temperature and T2 is the final temperature. (in units of k-1) b) Calculate the value...
1. Consider the reaction for the decomposition of hydrogen disulfide: H2S(g) = 2H2(g) + S2(g) With an equilibrium constant of 1.67x10-7 (at 800 °C). If a 0.500 L reaction vessel initially contains 0.0125 moles of H2S. Find the equilibrium concentrations of the products; H2 and S2. (25 points)
Draw compound A from the following reaction
scheme. 19
Draw compound A from the following reaction scheme. You do not have to consider stereochemistry. Include counter-ions, e.g., Na^+, I^-, in your answer, but draw them in their own sketcher. Do not draw organic of morganic by-products.