
Stoichiometry and Thermodynamics Concepts

Interactive Video
•
Chemistry, Physics, Science
•
11th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of the questions discussed in the introduction?
The definition of stoichiometry
When internal energy equals enthalpy
The properties of gases
The concept of pressure-volume work
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does enthalpy equal in the context of gases?
Only internal energy
Internal energy plus pressure-volume work
Internal energy minus pressure-volume work
Only pressure-volume work
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example given, what happens when gas expands in a piston?
The piston remains stationary
The piston explodes
The piston pushes out
The piston contracts
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Under what condition will internal energy equal enthalpy?
When there is no change in volume
When the system is heated
When there is a change in volume
When the system is open
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of a closed 40-liter vessel in the context of enthalpy and internal energy?
It decreases temperature
It increases pressure
It prevents volume change
It allows for volume change
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reaction discussed in the stoichiometry problem?
Two aluminum plus iron oxide yielding two iron and aluminum oxide
Two iron plus aluminum oxide yielding two aluminum and iron oxide
Iron oxide plus water yielding iron and oxygen
Aluminum plus oxygen yielding aluminum oxide
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much heat is released when the reaction of aluminum and iron oxide occurs?
1000 kilojoules
400 kilojoules
850 kilojoules
572 kilojoules
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