Free Printable WorksheetScienceGrade 11Science CurriculumNGSS HS-PS1-5; AP Chem Unit 5; CCSS HSS-ID and HSA-CED.A

11.88 Rate Laws and Reaction Orders Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Chemistry Science worksheet provides structured practice on 11.88 Rate Laws and Reaction Orders. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Rate Laws and Reaction Orders: Interpret rate laws, reaction order, rate constants, and units of k for experimentally determined rate relationships. Aligned to NGSS, CCSS, AP Chemistry/Pre-AP Chemistry, and representative state chemistry framework crosswalks NGSS HS-PS1-5; AP Chem Unit 5; CCSS HSS-ID and HSA-CED.A - Rate Laws and Reaction Orders Chemistry Standards Crosswalk: National: NGSS HS-PS1-5; AP Chem Unit 5; CCSS HSS-ID and HSA-CED.A. State frameworks: TX TEKS reaction-rate expectations; FL SC.912.P.8.8 connections; CA/NY/NJ HS-PS1-5; MA chemistry reaction-rate standards; GA/VA kinetics standards.

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Chemistry

Subject

Science

Domain

Science Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 11.88 Rate Laws and Reaction Orders skill assessments:

Problem 1Difficulty: Mastery

Initial-rate data show: Exp 1 [A]=0.10 M, [B]=0.20 M, rate=0.014 M/s; Exp 2 [A]=0.20 M, [B]=0.20 M, rate=0.028 M/s; Exp 3 [A]=0.20 M, [B]=0.40 M, rate=0.112 M/s. Which answer gives the rate law, k units, and predicted rate at [A]=0.10 M and [B]=0.40 M?

Arate = k[A]²[B]; k units M^-2 s^-1; predicted rate 0.056 M/s

Brate = k[A][B]; k units M^-1 s^-1; predicted rate 0.028 M/s

Crate = k[A]²[B]²; k units M^-3 s^-1; predicted rate 0.112 M/s

Drate = k[A][B]²; k units M^-2 s^-1; predicted rate 0.056 M/s

Solution & Explanation:Exp 1 to 2 shows A is first order, and Exp 2 to 3 shows B is second order. Doubling B from Exp 1 while keeping A at 0.10 M gives 4 x 0.014 = 0.056 M/s.

Problem 2Difficulty: Mastery

Two reactions are both second order overall: rate = k1[A]² and rate = k2[B][C]. Which statement is true?

ABoth reactions must have identical k values.

BBoth reactions must involve one reactant only.

CThe same overall order does not mean the same concentration dependence for each reactant.

DBoth reactions must have units of k equal to s^-1.

Solution & Explanation:Overall order is only the sum of exponents; different rate laws can have the same overall order but different dependencies.

Problem 3Difficulty: Mastery

Why is the rate law for NO2 + CO -> NO + CO2 not automatically rate = k[NO2][CO] from the balanced equation?

AThe rate law must always include products instead of reactants.

BThe balanced equation gives stoichiometry, but the rate law must be supported by kinetic evidence unless the elementary step is known.

CThe coefficient of CO2 determines the order in CO.

DRate laws cannot include gases.

Solution & Explanation:Overall balanced equations show amounts consumed and formed, not necessarily the concentration dependence of the rate-determining kinetic process.

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Chemistry Science students. It aligns with educational standard NGSS HS-PS1-5; AP Chem Unit 5; CCSS HSS-ID and HSA-CED.A (National: NGSS HS-PS1-5; AP Chem Unit 5; CCSS HSS-ID and HSA-CED.A. State frameworks: TX TEKS reaction-rate expectations; FL SC.912.P.8.8 connections; CA/NY/NJ HS-PS1-5; MA chemistry reaction-rate standards; GA/VA kinetics standards.).