Sulfuryl chloride, SO₂ Cl2, decomposes when heated. SO₂ Cl₂ (g) → SO2(g) + Cl₂ (g) In an experiment, the initial concentration of SO₂ C1₂ was 1.31 × 10−2 mol/L. If the rate constant is 2.2 x 10-5/s, what is the concentration of SO₂ Cl₂ after 6.0 hr? The reaction is first order. Concentration = mol/L

1.Study the reaction and read the statement. 2A + 3B + C →→  D + E  The rate constant for this reaction is 0.25. The reaction is second order in A and first order in B and C.  What is the rate of the reaction if [A] is 0.4 M, [B] is 0.1 M and [C] is 0.2 M?     5.0 × 10–4 4.0 × 10–3 2.0 × 10–3 8.0 × 10, –4

A chemistry graduate student is studying the rate of this reaction: 2C1₂05 (g) → 2Cl₂ (g) +50₂ (g) She fills a reaction vessel with C1₂05 and measures its concentration as the reaction proceeds: time [C1,05] (seconds) 0 0.400M 10. 0.263 M 20. 0.173 M 30. 0.114M 40. 0.0751M Use this data to answer the following questions. Write the rate law for this reaction. x10 Calculate the value of the rate constant k. X Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol. rate = k k = 0 Ś ?

In the reaction 2HgO →  2 Hg + O2 the evolution of gas is used to determine the rate of reaction.  At the beginning of the reaction, 0.02 L of O2 is present.  After 15 minutes the volume of gas is 0.35 L.  What is the rate of reaction in liters/min?

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2 3 4 =5 #1 6 7 Under certain conditions the rate of this reaction is zero order in hydrogen iodide with a rate constant of 0.0040 M-s¹: 2 HI (g) → H₂(g) + 1₂ (g) Suppose a 5.0 L flask is charged under these conditions with 300. mmol of hydrogen iodide. How much is left 4.0 s later? You may assume no other reaction is important. Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. S A S ? Continue Submit 00 X

Consider the experimental data collected for the following chemical reaction:  2H2(g) + 2NO(g) → N2(g) + 2H2O(g)  Trial  Initial [H2]   (mol/L) Initial [NO]   (mol/L) Rate of Reaction  (mol/L∙s) 1  0.031  0.0025  2.0 x 10-3 2  0.062  0.0025  4.0 x 10-3 3  0.031  0.0050  8.0 x 10-3 4  0.062  0.0050  1.6 x 10-2 Which action will have more effect on the rate of this reaction; changing the concentration of H2(g)  or that of NO(g)? Explain your reasoning by considering the orders of reactants and writing the corresponding rate law equation.

In the presence of excess thiocyanate ion, SCN, the following reaction is first order in iron(III) ion, Fe+ The rate constant is 1.27/s. Fe+ (ag) + SCN(ag) → Fe(SCN)2+ (ag) If 35.7% of the reaction is required to obtain a noticeable color from the formation of the Fe(SCN)2+ ion, how many seconds are required? Time =

A chemistry graduate student is studying the rate of this reaction: 2N₂O5 (g) → 2N₂O4 (g) + O₂(g) She fills a reaction vessel with N₂O5 and measures its concentration as the reaction proceeds: time (seconds) 0 1.0 2.0 3.0 4.0 [N₂O5] 0.500 M 0.311 M 0.193 M 0.120M 0.0744 M Use this data to answer the following questions. Write the rate law for this reaction. Calculate the value of the rate constant k. Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol. rate = k 0 x10 ロ･ロ X 00 S

The first-order decomposition of cyclopropane has a rate constant of 6.7 x 104 s1. If the initial concentration of cyclopropane is 1.33 M, what is the concentration of cyclopropane after 644 s? 0.15 M 0.86 M O 0.94 M 0.43 M 0.67 M