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Thermochemistry

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Question

question

What is Thermodynamics

A branch of thermodynamics, Thermochemistry is the study of the heat released or absorbed as a result of chemical reactions.

Overview

Energy #1

Kinetic

Energy

Force

03

01

05

Definition

Kinetic energy is the energy an object has because of its motion.

Kinetic energy can be transferred between objects and transformed into other kinds of energy.

Image

The character is running which is a prime example of energy in motion, Kinetic Energy

Energy #2

Potential

Energy

Stored

The energy an object posses by virtue of its position in gravitational fields, electromagnetic fields, and etc.

Definition

01

Image

In the illustration above the boy is in a relatively high position meaning there is a high potential energy as he is further from the center of gravity of the earth.

Energy #3

Thermal Energy

Heat

Thermal energy refers to the energy contained within a system that is responsible for its temperature.

Definition

Discussion

Thermal energy is produced when a rise in temperature causes atoms and molecules to move faster and collide with each other. In the image above there is a fire around the character, but it is the heat produced from the exothermic reaction that causes the increase in thermal energy

Image

Energy #4

Chemical

Energy

Chemical

Chemical energy is a form of energy that is stored in chemicals associated with the bonds between atoms. Chemical energy is also energy stored in chemicals meaning it is also a type of potential energy.

Definition

Image

To incorporate all the conversions of energy the two characters are driving up a higher elevation increasing their potential energy with the use of gas. Gasoline octane, a hydrocarbon is present in gas and has chemical energy due to its molecular structure as gas is used part of the chemical energy is then converted into kinetic energy which propels the car forward, while the other part is converted into thermal energy as heat is emitted from the engine of the moving car.

End

By: Emeka,Niles,Tumi, & Noah

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