Write the rate expressions for each of the following reactions.
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Chemistry: Atoms First
- The reaction O₂(g) + 2 NO(g) → 2 NO₂(g) was studied at a certain temperature with the following results: (a) What is the rate law for this reaction? O Rate = k [0₂(g)] [NO(g)] O Rate = k [0₂(g)]² [NO(g)] O Rate = k [0₂(g)] [NO(g)]² O Rate = k [O₂(g)]² [NO(g)]²2 O Rate = k [O₂(g)] [NO(g)]³ O Rate = k [0₂(g)]4 [NO(g)] (b) What is the value of the rate constant? Experiment M/s 1 2 3 4 [0₂(g)] (M) 0.0231 0.0231 0.0462 0.0462 [NO(g)] (M) 0.0231 0.0462 0.0231 0.0462 Rate (M/s) 0.112 0.448 0.224 0.896 (c) What is the reaction rate when the concentration of O₂(g) is 0.0437 M and that of NO(g) is 0.0567 M if the temperature is the same as that used to obtain the data shown above?arrow_forwardConsider the following reaction: 2 NO(g) + 2 H2(g) N2(g) + 2 H2O(g) (a) The rate law for this reaction is second order in NO(g) and first order in H2(g). What is the rate law for this reaction?(b) If the rate constant for this reaction at a certain temperature is 79200, what is the reaction rate when [NO(g)] = 0.0852 M and [H2(g)] = 0.137 M?Rate =____ M/s.(c) What is the reaction rate when the concentration of NO(g) is doubled, to 0.170 M while the concentration of H2(g) is 0.137 M?Rate = ____ M/sarrow_forwardIt's just the order 1 to fourarrow_forward
- Consider the following reaction: 4 HBr(g) + O2(g) 2 H2O(g) + 2 Br2(g)(a) The rate law for this reaction is first order in HBr(g) and first order in O2(g). What is the rate law for this reaction?(b) If the rate constant for this reaction at a certain temperature is 8.80e+03, what is the reaction rate when [HBr(g)] = 0.00429 M and [O2(g)] = 0.00758 M?Rate = _______ M/s.(c) What is the reaction rate when the concentration of HBr(g) is doubled, to 0.00858 M while the concentration of O2(g) is 0.00758 M?Rate = _______ M/sarrow_forwardThe reaction 2 NO(g) + Cl2(g) → 2 NOCl has the following rate law: Rate = k[NO]2 [Cl2]. The initial speed of the reaction was found to be 5.72×10‒6 M/s when the reaction was carried out at 25 °C with initial concentrations of 0.500 M NO and 0.250 M Cl2. What is the value of k?(a) 1.83×10‒4(b) 1.09×104(c) 9.15×10‒5(d) 5.72×10‒6arrow_forwardThe data below were collected for the following reaction at 35° C: 2(CH3)3 CSOH(g) → (CH3)3CS(O)SC(CH3)3 (g) Time (min) [(CH3)3 CSOH] (mol · L−¹) 0.0 1.554 10.8 0.661 19.1 0.343 37.0 0.083 59.5 0.014 75.1 0.004 Part C From the slope of the appropriate plot, determine the value of the rate constant at this temperature. VG ΑΣΦ Submit Request Answer ? 5-1arrow_forward
- Experiments show that each of the following redox reac-tions is second order overall:Reaction 1: NO₂(g)+CO(g) →NO(g)+CO₂(g) Reaction 2: NO(g)+O₃(g) →NO₂(g)+O₂(g) (a) When [NO₂] in reaction 1 is doubled, the rate quadruples.Write the rate law for this reaction.(b) When [NO] in reaction 2 is doubled, the rate doubles. Writethe rate law for this reaction.(c) In each reaction, the initial concentrations of the reactantsare equal. For each reaction, what is the ratio of the initial rateto the rate when the reaction is 50% complete?(d) In reaction 1, the initial [NO₂] is twice the initial [CO].What is the ratio of the initial rate to the rate at 50% completion?(e) In reaction 2, the initial [NO] is twice the initial [O₃]. Whatis the ratio of the initial rate to the rate at 50% completion?arrow_forward1.) Write rate expressions, in terms of reactants AND products, for the reaction given below. If the concentration of N2O5 is 0.0388 M at 240 sec and 0.0197 M at 600 sec, what is the average rate of production of NO2 during this time? Show ALL work. 2 N2O5 (g) → 4 NO2 (g) + 02 (g)arrow_forwardThe reaction 2 NO₂(g) + O₂(g) → N₂O5(g) + O₂(g) was studied at a certain temperature with the following results: (a) What is the rate law for this reaction? Rate = k [NO₂(g)] [03(g)] O Rate = k [NO₂(g)]² [03(g)] O Rate = k [NO₂(g)] [03(g)]² O Rate = k [NO₂(g)]² [03(g)]² O Rate = k [NO₂(g)] [03(g)]³ O Rate = k [NO₂(g)]* [03(g)] (b) What is the value of the rate constant? 137268 Experiment M/S AWNPE 1 2 3 4 [NO₂(g)] (M) 0.718 0.718 1.44 1.44 [03(g)] (M) 0.718 1.44 0.718 1.44 Rate (M/s) (c) What is the reaction rate when the concentration of NO₂(g) is 1.26 M and that of O3(g) is 2.10 M if the temperature is the same as that used to obtain the data shown above? 26600 53400 53400 1.07e+05arrow_forward
- Which relationship correctly compares the rates of the following reactants and products?2 NOCl(g) → 2 NO(g) + Cl2(g)arrow_forwardIron ore is reduced to pure iron by smelting, during which the iron (III) oxide in the ore reacts with carbon monoxide gas, like this: Fe,0;(s)+3C0(g) 2Fe(s)+3CO,(g) Suppose an engineer decides to study the rate of this reaction. He prepares four reaction vessels with 127.5 g of solid iron (III) oxide and 47.6 g of carbon monoxide gas each. The volume and temperature of each vessel is shown in the table below. Arrange the reaction vessels in decreasing order of initial rate of reaction. In other words, select a "1" next to the vessel in which the engineer can reasonably expect the initial rate of reaction to be highest, a "2" next to the vessel in which the initial rate of reaction would be next highest, and so on. initial rate of vessel volume temperature reaction 3.0 L 1100. °C 5.0 L 1000. °C 3.0 L 1000. °C 2.0 L 1100. °Carrow_forwardThe decomposition of phosphine, a very toxic gas, forms phosphorus and hydrogen in the following reaction: 4PH3(g) -> P4(g)+ 6H2(g) (a) Express the rate of the reaction with respect to each of the reactants and products.(b) if the instantaneous rate of the reaction with respect to PH3 is 0.34 M•S^-1 ,what is the instantaneous rate of the reaction?arrow_forward
- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningChemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub Co