Question 24 of 75 What amount of time is required for the concentration of A to decrease from 0.800 M to 0.215 M in the zero-order reaction A → B? (k = 0.0567 M*s¹) 1 2 3 5 6 8 9 st 4 7 +/- O S Submit Ox x 100
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- First order: [A]o In———- = kt [A]t t1/2= .693/k-der Part A The reactant .concontraton in A 2ero-order eton was 50010 Mater 120 s and 1.00x1o Mater 30S What ia the rata constant for this Mew Aval able Hint c) 4. undo ngu kytoard whorleus Hp Ma M/s Submit Part B What was the initial roactart concontration for the naction doscribod in Part A? Vlow Avallable Hintic) rga Text ka ytoard shorlcuts ep JAlo = Submit Part C The reactant concentration in a first-order naaction whs 9.70x 10 Mater 45.0s and 2.30x10 Mater 85.0 s. What is the rate constant for this rbaction? View Avallable Hint(c) urido Rio T kaytoard shorleub tialp Submit Part D The reactant concantration in a socond-order neacion was 0.490 Malter 245 s and 7.60x 10 Mater 730 s. What is the mte constant for this rooaction? > Vlew Avallable Hint(c) undo ngo Tu kyboard ahorlculs p Bubmit Retum lo Asakginmant Provida Feodback2 culs)t OzlgJ 2. Quo(s) + S0, Culs) t Soz (a) < 3. z SOz ca) t Ozlg) e 2 50, G) () Culs)t (4) 2 S0, (5) What is mass action expression for # Zi tor Mumber 2
- In a study of the gas phase decomposition of hydrogen iodide at 700 K HI(g)V½ H2(g) + ½ I½(g) the concentration of HI was followed as a function of time. It was found that a graph of 1/[HI] versus time in seconds gave a straight line with a slope of 1.72×103 M1s1and a y-intercept of 0.667 M1. Based on this plot, the reaction is order in HI and the rate constant for the reaction is M1s1Consider the reaction data. munew 1 A → products R T (K) 225 575 at least three significant figures in all values. What two points should be plotted to graphically determine the activation energy of this reaction? To avoid rounding errors, use x₁ = x2 = k (s¹) 0.392 0.635 % 5 Determine the rise run and slope of the line formed by these points At a E T G f6 40 6 23) Y H & 7 V v || BN U 18 J 8 M 19 9 y₁ = K y2 = L f1o ►II O O L 7 112 62°F 0 { [ C. insert 811 PM 9/28/2022 ] prt sc ← backspace pause deleThe Eºcell = 0.135 V for the reaction 31₂(s) + 5Cr₂O7²-(aq) + 34H*(aq) ? 6103¯ (aq) + 10Cr³+ (aq) + 17H₂O What is Ecell if [Cr₂O72] = 0.027 M, [H+] = 0.21 M, [103] = 0.00028 M, and [Cr³+] = 0.0030 M?
- Rank the metal ions by oxidizing strength and the metals by reducing strength from strongest to weakest Metal ions: Metals: Write balanced net equation for five of the combinations that produced reaction. And what are the reduction potential for the five combinations?Which of the following is the two-point form Arrhenius equation? k = Ae-Ea/RT O [A] = [A]o – kt O In k7/k2 = Ea/R (1/T2 – 1/T1) O [A]o /2k6:16 1 4 7 +/- Question 24 of 75 2 5 8 What amount of time is required for the concentration of A to decrease from 0.800 M to 0.215 M in the zero-order reaction A → B? (k = 0.0567 M*s¯¹) 3 60 9 O S LTE 84 Tap here or pull up for additional resources Submit XU x 100
- (4) t, a a 46. The accompanying figure depicts the change in concentration of species X and Y for the reaction X Yas a function of time the point of intersection of the two curves reperesents. Y Time (1) t2 (2) t34 (3) t23 (4) Data are insufficient to predict 57 Concentration< Progress:0/9 groups Due Apr 18 at 11:55 PM Use the References to access important values if needed for this question. In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion CoCl42-. Co2+(aq) is pink and CoCl42-(aq) is blue. ... At Low Temperature the pink color predominates. ... ... At High Temperature the blue color is strong. ... If we represent the equilibrium as:...Co2+(aq) + 4Cl-(aq) CoCl42-(aq)We can conclude that: fill in the blank 1 1. This reaction is: A. Exothermic B. Endothermic C. Neutral D. More information is needed to answer this question. fill in the blank 2 2. When the temperature is decreased the equilibrium constant, K: A. Increases B. Decreases C. Remains the same D. More information is needed to answer this question. fill in the blank 3 3. When the temperature is decreased the equilibrium concentration of Co2+: A. Increases B. Decreases…In a study of the decomposition of dinitrogen pentoxide in carbon tetrachloride solution at 30 °C N,05-2 NO, + % 0, the concentration of N2O5 was followed as a function of time. It was found that a graph of In[N2O3] versus time in minutes gave a straight line with a slope of -6.48×10-3 min- and a y-intercept of -0.496 . Based on this plot, the reaction is | order in N,Og and the rate constant for the reaction is min-!.