Chem+102+Quiz+5a+2010

Chem+102+Quiz+5a+2010 - What is the rate constant? What...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Quiz #5 Name c Lab Section: Show all your work and provide all calculated answers with the correct number of sig. fig. 1. For a reaction prepared using the following table, calculate the initial concentrations for KBrO 3 and KI. (6 pts) FLASK 0.010 M I - 0.0010 M Na 2 S 2 O 3 H2O R 15.0 mL 15.0 mL 10.0 mL BEAKER 0.040 M BrO 3- 0.10 HCl 1% Starch R 20.0 mL 20.0 mL 1.0 mL 2. What is the purpose of the Na 2 S 2 O 3 in the experiment? (2 pt) 3. What is the rate of a reaction? What is its mathematical expression? (1 pt) 4. What is the reaction rate law? Provide the general form for a rate law. (1 pt) 5.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: What is the rate constant? What symbol is used to represent it? (1 pt) Show all your work and provide all calculated answers with the correct number of sig. fig. 3. Determine the rate law for the reaction 2 A + B + C ! 2 D + E using the data below. Also, give the overall order of the reaction and the rate constant. Use 1/time as a substitute for rate. (10 pts) Experiment # [A] (M) [B] (M) [C] (M) Time (s) Rate v(1/s) 1 0.10 0.10 0.20 93 2 0.10 0.20 0.10 85 3 0.20 0.10 0.10 47 4 0.10 0.10 0.10 182 Rate Law Expression: Overall Order of Reaction = k =...
View Full Document

This document was uploaded on 03/10/2011.

Page1 / 2

Chem+102+Quiz+5a+2010 - What is the rate constant? What...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online