A chemistry graduate student is studying the rate of this reaction: 2C1,0, (g) → 2C1, (g) + 50, (g) He fills a reaction vessel with ci,0, and measures its concentration as the reaction proceeds: time [C1,0,] (seconds) 0.0500M 10. 0.0170M 20. 0.0103 M 30. 0.00735 M 40. 0.00573 M Use this data to answer the following questions. Write the rate law for this reaction. rate k O Calculate the value of the rate constant k. k = Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol.

A chemistry graduate student is studying the rate of this reaction: H2CO3(ag)>>>H2O(aq)+CO2(aq) She fills a reaction vessel with H2CO3 time (seconds) [H2CO3] 0  0.100M 1.0 0.0259M 2.0 0.0149M 3.0 0.0104M 4.0 0.00803M Use this data to answer the following questions. Write the rate Law for this reaction Calculate the valve of the rate constant A: Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol.

The reaction 2NO(g) + Cl2 (g) -----> 2NOCl (g) was studied at –10°C. The following results were obtained where  Rate = - Delta [Cl2]/ delta t [NO]0   [Cl2]0             Initial Rate (mol/L) (mol/L) (mol/L·min) 0.11 0.11 0.24 0.11 0.22 0.48 0.22 0.22 1.92     a Question Content Area What is the rate law? ( Use k for the rate constant. ) Rate =

For the reaction A → products, concentration and time data were collected. t (s) [A] (M) Enter these data into the graphing tool to determine the reaction order. 0.0 3.40 25.0 2.28 50.0 1.53 75.0 1.02 Graphing Tool Clear All Data [A] vs. t In[A] vs. t 1/[A] vs. t [A] In[A] 1/[A] Add Row 10 total rows What is the reaction order? Calculate the concentration of A after 127 s. [A]]27s = M [V)

A chemistry graduate student is studying the rate of this reaction: 2H₂PO4 (aq) → P₂O, (aq) + 3H₂O (aq) He fills a reaction vessel with H₂PO4 and measures its concentration as the reaction proceeds: time (milliseconds) 0 [H₂PO4] 0.100M 10. 0.0355M 20. 0.0216M 30. 0.0155M 40. 0.0121 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 0 0x10 ロ・ロ X Ś

A chemistry graduate student is studying the rate of this reaction: 2H1 (g) - H₂ (g) +1₂ (g) She fills a reaction vessel with HI and measures its concentration as the reaction proceeds: time (seconds) 0 0.10 [HI] 1.00 M 0.227M 0.20 0.128M 0.30 0.0894M 0.40 0.0686M 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=& D.D

A chemistry graduate student is studying the rate of this reaction:→2H3PO4aq+P2O5aq3H2OaqShe fills a reaction vessel with H3PO4 and measures its concentration as the reaction proceeds:time(milliseconds)    H3PO40    0.100M10.    0.0561M20.    0.0390M30.    0.0299M40.    0.0242MUse this data to answer the following questions. Write the rate law for this reaction.    rate    =k    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.    =k

For the reaction A → products, concentration and time data were collected. t (s) [A] (M) Enter these data into the graphing tool to determine the reaction order. 0.0 3.40 25.0 2.28 50.0 1.53 75.0 1.02 Graphing Tool Clear All Data [A] vs. t In[A] vs. t 1/[A] vs. t t [A] In[A] 1/[A] 3.4 3.4 1.223775 0.294118 25 2.28 0.824175 0.438596 2.822 + 50 1.53 0.425268 0.653595 2.244 + 75 1.02 0.019803 0.980392 1.666 - 1.088 - 0.51 - 15 30 45 60 75 t y=-0.03156 x + 3.241000 2= 0.971 Add Row 10 total rows What is the reaction order? O 1 Calculate the concentration of A after 127 s. [A]127 s = M [V)

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