
Thermochemistry Concepts and Calculations

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be included in a thermochemical equation besides the reactants and products?
The pressure at which the reaction occurs
The temperature of the reaction
The color of the substances
The energy as either a product or reactant
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the reaction of iron and oxygen, what does the presence of 1625 kJ on the right side indicate?
The reaction is endothermic
The reaction absorbs heat
The reaction releases heat
The reaction is at equilibrium
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the enthalpy change affected if the moles of iron are halved in the reaction with oxygen?
It doubles
It remains the same
It becomes zero
It is halved
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean if 89.3 kJ is on the left side of a thermochemical equation?
The reaction releases heat
The reaction is at equilibrium
The reaction absorbs heat
The reaction is exothermic
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the enthalpy sign when a reaction is reversed?
It becomes positive
It becomes negative
It remains unchanged
It is multiplied by two
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does doubling the moles in a reaction affect the energy change?
The energy change doubles
The energy change becomes zero
The energy change is halved
The energy change remains the same
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between moles and energy in a thermochemical reaction?
Energy is independent of moles
Energy is always constant
Energy is directly proportional to moles
Energy is inversely proportional to moles
Create a free account and access millions of resources
Similar Resources on Wayground
11 questions
Chemical Reactions and Energy Changes

Interactive video
•
9th - 10th Grade
11 questions
Thermochemistry Concepts and Calculations

Interactive video
•
9th - 10th Grade
11 questions
Delta H and Enthalpy of Formation

Interactive video
•
9th - 10th Grade
11 questions
Le Chatelier's Principle and Equilibrium

Interactive video
•
9th - 10th Grade
11 questions
Thermodynamics and Phase Changes

Interactive video
•
9th - 10th Grade
11 questions
Chemical Reactions and Thermodynamics

Interactive video
•
9th - 12th Grade
8 questions
Enthalpy of Butane Combustion

Interactive video
•
9th - 10th Grade
11 questions
Heat Changes and Enthalpy Calculations

Interactive video
•
9th - 10th Grade
Popular Resources on Wayground
18 questions
Writing Launch Day 1

Lesson
•
3rd Grade
11 questions
Hallway & Bathroom Expectations

Quiz
•
6th - 8th Grade
11 questions
Standard Response Protocol

Quiz
•
6th - 8th Grade
40 questions
Algebra Review Topics

Quiz
•
9th - 12th Grade
4 questions
Exit Ticket 7/29

Quiz
•
8th Grade
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
19 questions
Handbook Overview

Lesson
•
9th - 12th Grade
20 questions
Subject-Verb Agreement

Quiz
•
9th Grade
Discover more resources for Chemistry
40 questions
Algebra Review Topics

Quiz
•
9th - 12th Grade
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
19 questions
Handbook Overview

Lesson
•
9th - 12th Grade
20 questions
Subject-Verb Agreement

Quiz
•
9th Grade
24 questions
Scientific method and variables review

Quiz
•
9th Grade
10 questions
Characteristics of Life

Quiz
•
9th - 10th Grade
19 questions
Mental Health Vocabulary Pre-test

Quiz
•
9th Grade
14 questions
Points, Lines, Planes

Quiz
•
9th Grade