6.3 The following kinetic data (✓ is the initial rate) were ob- tained for the reaction 2 ICI(g) + H2(g) → 12(g) + 2 HCl(g): Experiment [ICI] 0/ [H2]0/ Vo/(mol (mmol dm³) (mmol dm³) dm³ s¹) 1 1.5 1.5 3.7 × 10-7 2 3.0 1.5 7.4 × 10-7 3 3.0 4.5 22 × 10-7 4 4.7 2.7 ? (a) Write the rate law for the reaction. (b) From the data, de- termine the value of the rate constant. (c) Use the data to predict the reaction rate for Experiment 4.
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6.3
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- 6.3. : In addition to solving the problem please give brief explanation for concepts and solution if able.Nitric oxide reacts with hydrogen to release large amounts of chemiluminescence with the characteristics of the highly cytotoxic species. The following data were measured for the reaction of nitric oxide with hydrogen: Data number 1 2 3 2 NO(g) + 2 H₂(g) → N₂(g) + 2 H₂O(g) [NO] (M) 0.1 0.1 0.2 [H₂] (M) 0.1 0.2 0.1 Based on the data, (a) Determine the rate law for this reaction. (b) Calculate the rate constant. (c) Calculate the rate when [NO] = 0.050 M and [H₂] = 0.150 M Initial rate (M/S) 1.23 x 10-³ 2.46 x 10-³ 4.92 x 10-³Drug 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?
- In a study of the conversion of methyl isonitrile to acetonitrile in the gas phase at 250 CH 3 NC(g) CH 3 CN(g) the concentration of CH 3 NC was followed as a function of time It was found that a graph of ln[CH 3 NC] versus time in seconds gave a straight line with a slope of - 4.17 * 10 ^ - 3 * s ^ - 1 and a y intercept of -4.05 Based on this plot , the reaction is order in CH 3 NC and the rate constant for the reaction is1-arr In a study of the decomposition of dinitrogen pentoxide in carbon tetrachloride solution at 30 °C N2O5- →2 NO2 + ½ O2 the concentration of N,O5 was followed as a function of time. It was found that a graph of In[N2O5] versus time in minutes gave a straight line with a slope of -6.31×10* min and a y- intercept of -1.34 . Based on this plot, the reaction O order in N,0g and the rate constant for the reaction is min-1. zero first secondIn 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
- A 20-mm cube of copper metal is placed in 250 mL of 12 M nitric acid at 25°C and the reaction below occurs: Cu(s) + 4H+ (aq) + 2NO3(aq) -> Cu²+ (aq) + 2NO2(g) + 2H₂O(1) At a particular instant in time, nitrogen dioxide is being produced at the rate of 4.4 x 10-4 M/min. At this same instant, what is the rate at which hydrogen ions are being consumed in M/min? Do not write unit in answer. Report your answer with five places past the decimal point. Type your answer...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 second1:41 1 .5Gc NH, (aq) B) H+ (aq) + OH¯ (aq) → H₂O (1) C) NH3 (aq) + HI (aq) → NHÂI (aq) D) NH₂ (aq) → NH3 (aq) + H+ (aq) Tap here or pull up for additional resources
- (a) Consider the following data that have been obtained for the decomposition of N2O5(g) at 67 °C according to the reaction: 2 N2O5(g) 4 NO2(g) + O2(g) [N2O5]/mol dm-3 t/s 0 2.000 120 1.41 240 0.994 360 0.698 480 0.492 600 0.346 (i) Based on the above data, briefly describe two methods which can be used to determine the order of the reaction and the rate constant. (i) Use the methods you described above to determine the order of the reaction and the rate constant. (b) The rate constant for the decomposition of a certain substance is 1.70 x 10-2 dm³ mol¹¹ at 24°C and 2.01 x 10-2 dm³ mol-¹s¹ at 37°C. Calculate the activation (Ea) energy of the reaction.11:33 ◄ Drive < 8+ 5. The reaction below shows the formation of a highly reactive oxygen atom when NO (an air pollutant from car emissions) is oxidized. Kinetic data from experimental trials of this reaction is summarized in the table below. stry NO (g) + O₂ (g) → NO₂ (g) + 0 (g) NO (M) 0, (M) Rate (M/s) 1.00 1.00 3 x 10-4 1.01 2.00 6 x 104 1.00 2.97 9 x 104 4.98 3.00 45 x 104 10.0 6.00 ? 1) What is the order of the reaction with respect to NO and respect to O2? 2) Write the rate law for this reaction including the value of the rate constant (k) 3) What is the missing rate value in the final row of the table?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…