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Hello, I'm just stuck on finding k value here on part a. Would write out step by step how they got the k value here of 0.121 hr-1.
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- In a study of the gas phase decomposition of sulfuryl chloride at 600 KSO2Cl2(g)SO2(g) + Cl2(g)the concentration of SO2Cl2 was followed as a function of time.It was found that a graph of ln[SO2Cl2] versus time in minutes gave a straight line with a slope of -4.28×10-3 min-1 and a y-intercept of -6.95 . Based on this plot, the reaction is________. (firest, zero, or second) order in SO2Cl2 and the rate constant for the reaction is min-1.A river water sample of 25°C is contaminated with diazepam with initial concentration of 5000 ppb (or ng/L) when it secondary biodegradation rate in water, Kd = 10^1.3 (cu cm/mol-sec) at 25°C and molar mass of diazepam is 284.7g/mol. What is the half life of the diazepam in hours? Note: I need right answer with clear calculations.1-arr In a study of the gas phase decomposition of phosphine at 120 °C PH3(g)- →1/4 P4(g) + 3/2 H2(g) the concentration of PH3 was followed as a function of time. It was found that a graph of In[PH3] versus time in seconds gave a straight line with a slope of -2.50×10² s1 and a y-intercept of -3.24. Based on this plot, the reaction i v O order in PH, and the half life for the reaction is seconds. zero first second
- Drug Concentration A pharmaceutical companyclaims that the concentration of a drug in a patient’sbloodstream will be at least 10% for 8 hours. Supposeclinical tests show that the concentration of a drug (aspercent) t hours after injection is given byC(t) = 200t/2t2 + 32During what time period is the concentration at least10%? Is the company’s claim supported by the evidence?1 Ten (10) ml aqueous solutions of drug A (10% w/v) and drug B (25% w/v) are stored in two identical test tubes under identical storage conditions at 37°C for 3 months. If both drugs degrade by first-order, which drug will retain the highest percentage of initial concentration? (a) Drug A (b) Drug B (c) They will be the same.In a study of the conversion of methyl isonitrile to acetonitrile in the gas phase at 250 °C CH3NC(g)CH;CN(g) the concentration of CH,NC was followed as a function of time. It was found that a graph of In[CH3NC] versus time in seconds gave a straight line with a slope of -4.77x10-3 s1 and a y-intercept of -3.86 Based on this plot, the reaction is v order in CH,NC and the rate constant for the reaction is -1 zero first second
- Researchers working on a Lake measured the following in the anoxic bottom waters:[Fe2+] = 100 μM and [S2-] = 50 fM (femtomolar). The formation of FeS(s)Fe2+ + S2- is an important controlling reaction for the solubilityof Fe(+II) under anoxic conditions. In this lake, the temperature at the bottom is about 10°C inthe summer.a. Calculate Kideal for this reaction, ignoring non-idealities.b. Correct K for the temperature at the lake bottom.c. Is the lake water at equilibrium with FeS(s) in the aquifer? If not, given more time,would more solid dissolve or precipitate?6. Five reaction mixtures containing equal concentrations of an enzyme are made up to the substrate concentrations [S] indicated in the table below and the initial rates of the reaction (V) are measured. The experiment is repeated with an enzyme inhibitor I present at 0.22 mM in each reaction mixture. (a) Determine Km for the substrate and K, for the inhibitor. (b) Can you say anything about the type of the inhibitor? [S], mM V (µmol/min) (no I) V (µmol/min) (+ 0.22 mM I) 0.1 28 17 0.15 36 23 0.2 43 29 0.5 65 50 0.75 74 61In a study of the gas phase decomposition of sulfuryl chloride at 600 KSO2Cl2(g)SO2(g) + Cl2(g)the concentration of SO2Cl2 was followed as a function of time.It was found that a graph of ln[SO2Cl2] versus time in minutes gave a straight line with a slope of -4.34×10-3 min-1 and a y-intercept of -5.20 .Based on this plot, the reaction is _______zerofirstsecond order in SO2Cl2 and the rate constant for the reaction is min-1.
- reactant: 0.400g of p-amionphenol (MW=109.1) 0.450 ml of acetic anhyride (mw= 102.1 d= 1.08 ml) product: acetaminophen mw = 151.2 Calculate the E-factor of the process (78% actual yield).The Arrhenius equation shows the relationship between the rate constant k and the temperature T in kelvins and is typically written as k = Ae-E/RT where R is the gas constant (8.314 J/mol K), A is a constant called the frequency factor, and Da is the activation energy for the reaction. However, a more practical form of this equation IS In = (1-12) Ea R which is mathmatically equivalent to In Ea F (1/2 R T₂ k2 T1 where ki and k2 are the rate constants for a single reaction at two different absolute temperatures (T₁ and T₂). ▼ Part A The activation energy of a certain reaction is 42.1 kJ/mol. At 20 °C, the rate constant is 0.0150s¹. At what temperature in degrees Celsius would this reaction go twice as fast? Express your answer with the appropriate units. T₂ = Submit Part B Value k₂ = Request Answer Submit Given that the initial rate constant is 0.0150s¹ at an initial temperature of 20 °C, what would the rate constant be at a temperature of 200. °C for the same reaction described in Part…(d) A 5.6 dm sample of ethene, CH2=CH2 measured at s.tp. was reacted with 0.05 mol dm acidified potassium manganate(VII). Ethylene glycol, CH2(OH)CH(OH), is formed as the only carbon containing product. The half-equation for reduction of manganate(VII) ion is shown below. Mnos + 8H* + 5e - Mn?* + 4H2O (i) Construct a half-equation for the oxidation of ethene and hence write an overall equation for the reaction between ethene and manganate(VII) ions. ...[2] (ii) Calculate the minimum volume of potassium manganate(VI) required for a complete reaction with the ethene sample. [2]