Part AMagnesium reacts with hydrochloric acid to form hydrogen gas. The data below shows how thehydrochloric acid concentration varied with time.Time (s)[HCI) (mol dm-3)1.00 0.5110700.082030405060800.25 0.160.130.110.090.06a) Plot a graph of acid concentration against time.b) By drawing gradients, calculate the rate at 0, 10, 20 and 30 seconds.c) Explain why the rate changes during the reaction as it does.Part BThe initial rate method was used to investigate the following reaction:2Hzia) + 2NOLg) + 2H2Olg) + Naia)The results of some studies which were made at 775°C are shown below:[H2] / 102 mol dm[NO]/ 102 mol dm3Rate / 10 mol dms12.02.504.82.01.251.22.05.0019.21.01.250.64.02.509.6Using the data shown above, answer the questions on the following page.a) What is the order of reaction with respect to Hzg)?b) What is the order of reaction to NOy?c) Write down the rate equation for this reaction.d) Calculate a value for the rate constant for this reaction at 775°C.

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The initial rate method was used to investigate the following reaction: 2Hze) + 2NO + 2H2Ou + Nata) The results of some studies which were made at 775°C are shown below: [H2] / 10 mol dm [NO]/ 10 mol dm Rate / 106 mol dms1 2.0 2.50 4.8 2.0 1.25 1.2 2.0 5.00 19.2 1.0 1.25 0.6 4.0 2.50 9.6 Using the data shown above, answer the questions on the following page.

The initial rate method was used to investigate the following reaction: 2Hze) + 2NO + 2H2Ou + Nata) The results of some studies which were made at 775°C are shown below: [H2] / 10 mol dm [NO]/ 10 mol dm Rate / 106 mol dms1 2.0 2.50 4.8 2.0 1.25 1.2 2.0 5.00 19.2 1.0 1.25 0.6 4.0 2.50 9.6 Using the data shown above, answer the questions on the following page.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter11: Chemical Kinetics: Rates Of Reactions

Section11.1: Reaction Rate

Problem 11.2CE: Instantaneous rates for the reaction of hydroxide ion with Cv+ can be determined from the slope of...

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our is all about Chemical kinetics please help plsssss... please answer FIRST QUESTION ONLY
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