Multiple ChoiceConsider the decomposition of dinitrogen pentoxide:2 N2O5 (g) → 4 NO2 (g) + O2 (g)What is the instantaneous rate of this reaction at 20 seconds?1128views13rank1commentsHas a video solution.
Textbook Question(c) As a reaction proceeds, does the instantaneous reaction rate increase or decrease?724viewsHas a video solution.
Textbook QuestionThe isomerization of methyl isonitrile 1CH3NC2 to acetonitrile 1CH3CN2 was studied in the gas phase at 215 C, and the following data were obtained: Time (s) 3CH3nC4 1M2 0 0.0165 2000 0.0110 5000 0.00591 8000 0.00314 12,000 0.00137 15,000 0.00074 (d) Graph 3CH3NC4 versus time and determine the instantaneous rates in M>s at t = 5000 s and t = 8000 s.679viewsHas a video solution.
Textbook QuestionThe rate of disappearance of HCl was measured for the following reaction: CH3OH1aq2 + HCl1aq2¡CH3Cl1aq2 + H2O1l2 The following data were collected: Time (min) 3HCl 4 1M2 0.0 1.85 54.0 1.58 107.0 1.36 215.0 1.02 430.0 0.580 (d) Graph [HCl] versus time and determine the instantaneous rates in M>min and M>s at t = 75.0 min and t = 250 min.783viewsHas a video solution.
Textbook QuestionConsider the reaction: H2( g) + Br2( g) ¡ 2 HBr( g) The graph shows the concentration of Br2 as a function of time. a. Use the graph to calculate each quantity: (iii) the instantaneous rate of formation of HBr at 50 s780views1rankHas a video solution.
Textbook QuestionConsider the reaction: H2( g) + Br2( g) ¡ 2 HBr( g) The graph shows the concentration of Br2 as a function of time. b. Make a rough sketch of a curve representing the concentration of HBr as a function of time. Assume that the initial concentration of HBr is zero659viewsHas a video solution.
Textbook QuestionConsider the reaction: 2 H2O2(aq) ¡ 2 H2O(l ) + O2( g) The graph shows the concentration of H2O2 as a function of time. Use the graph to calculate each quantity: c. the instantaneous rate of formation of O2 at 50 s1721viewsHas a video solution.
Textbook QuestionUse the information in Table 14.1 and Figure 14.1 to estimate the instantaneous rate of appearance of NO2 at t = 350 s by calculating the average rate of appearance of NO2 over the following time intervals centered on t = 350 s. (a) 0 to 700 s (b) 100 to 600 s (c) 200 to 500 s (d) 300 to 400 s Which is the best estimate, and why?612viewsHas a video solution.
Textbook QuestionFrom the plot of concentration–time data in Figure 14.1, estimate: (b) the initial rate of decomposition of N2O5.260viewsHas a video solution.
Textbook QuestionFrom the plot of concentration–time data in Figure 14.1, estimate: (a) the instantaneous rate of decomposition of N2O5 at t = 200 s.342viewsHas a video solution.
Textbook QuestionFrom a plot of the concentration–time data in Worked Example 14.9, estimate: (b) the initial rate of decomposition of NO2.266viewsHas a video solution.
Textbook QuestionFrom a plot of the concentration–time data in Worked Example 14.9, estimate: (a) the instantaneous rate of decomposition of NO2 at t = 100 s.410viewsHas a video solution.