4) Which reaction is endothermic? Exothermic? Explain your answer. cvecse Reactants A LB Products ABL Reactants Products AB PROGRESS OF REACTION PROGRESS oF REACTION

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.97PAE
icon
Related questions
Question

please help me i'm stuck with this one. 

 

i need an explanation too so i could understand

4) Which reaction is endothermic? Exothermic? Explain your answer.
Transition State
fransibon State
A
forward
fonward
cevecse
cEverse
Reactants
Reactants
AB.
Products
AB
Products
AB
PROGRESS OF REACTION
PROGRESS OF REACTION
Predict the rate of the reaction in the following. Assume that the substances below are
reactants for different reactions. Indicate if the reaction will be slower, faster, or have the
same rate.
Normal condition
Changed condition
Factor
Reaction rate
a) 20 % HCI
5 % HCI
Concentration
Slower
b) 276 K
315 K
Temperature
Faster
c) 2H,O2 → 2H,O + Oz
addition of iron (II) oide
Catalyst
Faster
d) A cube of sugar
powdered sugar
Surface area
Faster
e) 5 sampalok cubes
1 sampalok cube
Concentration
Slower
) 52 g of N2OH
65 g of NaOH
Concentration
Faster
9) 3.68 x 10% atoms of Li
9.25 x 10 atoms Li
Concentration
Slower
h) 500 K, 4.5% Barium
600K, 4.5% Barium
Temperature
Faster
) 48 g powdered zinc
48 g zinc pellets
Surface area
Slower
) Starch + water
Starch + water + amylase
Catalyst
Faster
Transcribed Image Text:4) Which reaction is endothermic? Exothermic? Explain your answer. Transition State fransibon State A forward fonward cevecse cEverse Reactants Reactants AB. Products AB Products AB PROGRESS OF REACTION PROGRESS OF REACTION Predict the rate of the reaction in the following. Assume that the substances below are reactants for different reactions. Indicate if the reaction will be slower, faster, or have the same rate. Normal condition Changed condition Factor Reaction rate a) 20 % HCI 5 % HCI Concentration Slower b) 276 K 315 K Temperature Faster c) 2H,O2 → 2H,O + Oz addition of iron (II) oide Catalyst Faster d) A cube of sugar powdered sugar Surface area Faster e) 5 sampalok cubes 1 sampalok cube Concentration Slower ) 52 g of N2OH 65 g of NaOH Concentration Faster 9) 3.68 x 10% atoms of Li 9.25 x 10 atoms Li Concentration Slower h) 500 K, 4.5% Barium 600K, 4.5% Barium Temperature Faster ) 48 g powdered zinc 48 g zinc pellets Surface area Slower ) Starch + water Starch + water + amylase Catalyst Faster
Expert Solution
steps

Step by step

Solved in 4 steps with 2 images

Blurred answer
Knowledge Booster
Group 2 Elements
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Chemistry for Engineering Students
Chemistry for Engineering Students
Chemistry
ISBN:
9781337398909
Author:
Lawrence S. Brown, Tom Holme
Publisher:
Cengage Learning
Chemistry for Today: General, Organic, and Bioche…
Chemistry for Today: General, Organic, and Bioche…
Chemistry
ISBN:
9781305960060
Author:
Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:
Cengage Learning
World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
Chemistry
ISBN:
9781133109655
Author:
Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:
Brooks / Cole / Cengage Learning
Introduction to General, Organic and Biochemistry
Introduction to General, Organic and Biochemistry
Chemistry
ISBN:
9781285869759
Author:
Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:
Cengage Learning
Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning