What is an Exothermic Process?

A) A process that releases heat energy into the surroundings.

B) A process that absorbs heat energy from the surroundings.

C) A process that stores chemical potential energy.

D) A process that measures temperature changes.

Define Endothermic Process.

A process that absorbs heat energy from the surroundings.

A process that releases heat energy into the surroundings.

A process that converts energy into motion.

A process that measures energy changes.

The experimental technique used for the precise measurement of heat changes.

The measure of temperature changes.

What is a Calorimeter?

A device designed to measure the amount of heat absorbed or released.

A device that measures temperature.

A device that stores chemical potential energy.

A device that converts energy into motion.

A calorie (cal) is a unit of energy that is defined as:

The amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius

The amount of energy needed to raise the temperature of 1 kilogram of water by 1 degree Celsius

The amount of energy needed to raise the temperature of 1 gram of water by 10 degrees Celsius

The amount of energy needed to raise the temperature of 1 kilogram of water by 10 degrees Celsius

What is chemical potential energy?

A form of energy stored in chemical bonds

Energy due to an object's position

An endothermic process is:

a process that neither absorbs nor releases heat

a process that involves a change in state

An exothermic process is a process that:

releases heat to the surroundings

absorbs heat from the surroundings

does not involve any heat exchange

The law of conservation of energy states that:

Energy can be transformed from one form to another, but cannot be created or destroyed.

Energy can be created or destroyed.

Energy is always increasing in the universe.

Energy is only conserved in closed systems.

What is potential energy?

A form of energy related to an object's position or state

A type of energy associated with motion

Energy that is lost during a process

Energy that is created from nothing

What is specific heat (c)?

The amount of heat required to raise the temperature of a unit mass of a substance by one degree Celsius.

The amount of heat required to change the state of a substance without changing its temperature.

The amount of heat required to raise the temperature of a unit volume of a substance by one degree Celsius.

The amount of heat required to raise the temperature of a unit mass of a substance by one degree Fahrenheit.

What is thermal equilibrium?

A state where two objects in contact have the same temperature and no heat flows between them.

A state where two objects in contact have different temperatures and heat flows between them.

A state where two objects are isolated and no heat flows between them.

A state where two objects have the same mass and volume.

List three different forms of energy besides heat and provide a brief description of each.

Kinetic energy, potential energy, and chemical energy

Thermal energy, sound energy, and nuclear energy

Electrical energy, magnetic energy, and gravitational energy

Light energy, mechanical energy, and elastic energy

When heat energy is added to a substance, what happens to the motion of its particles and how does this relate to the temperature of the substance?

The motion of particles increases, leading to a rise in temperature.

The motion of particles decreases, leading to a rise in temperature.

The motion of particles remains the same, leading to a rise in temperature.

The motion of particles increases, leading to a decrease in temperature.

State the Law of Conservation of Energy and explain its significance in the context of thermochemical changes.

The Law of Conservation of Energy states that energy cannot be created or destroyed, only transformed from one form to another. It is significant in thermochemical changes as it ensures that the total energy before and after a reaction remains constant.

The Law of Conservation of Energy states that energy can be created and destroyed. It is significant in thermochemical changes as it allows for the creation of energy during reactions.

The Law of Conservation of Energy states that energy is always lost in the form of heat. It is significant in thermochemical changes as it explains the loss of energy during reactions.

The Law of Conservation of Energy states that energy is only conserved in closed systems. It is significant in thermochemical changes as it applies only to isolated reactions.

Explain the concept of specific heat capacity. What does a high specific heat value for a substance indicate about its temperature change when heat is added?

Specific heat capacity is the amount of heat required to change the temperature of a unit mass of a substance by one degree Celsius. A high specific heat value indicates that the substance will experience a small temperature change when heat is added.

Specific heat capacity is the amount of heat required to change the temperature of a unit mass of a substance by one degree Celsius. A high specific heat value indicates that the substance will experience a large temperature change when heat is added.

Specific heat capacity is the amount of heat required to change the temperature of a unit mass of a substance by one degree Celsius. A high specific heat value indicates that the substance will not change temperature when heat is added.

Specific heat capacity is the amount of heat required to change the temperature of a unit mass of a substance by one degree Celsius. A high specific heat value indicates that the substance will change temperature rapidly when heat is added.

The formula for the heat transfer equation is:

Q = mcΔT, where Q is the heat transferred, m is the mass, c is the specific heat capacity, and ΔT is the change in temperature.

Q = mL, where Q is the heat transferred, m is the mass, and L is the latent heat.

Q = UAΔT, where Q is the heat transferred, U is the overall heat transfer coefficient, A is the area, and ΔT is the temperature difference.

Q = kA(T_hot - T_cold)/d, where Q is the heat transferred, k is the thermal conductivity, A is the area, T_hot and T_cold are the temperatures, and d is the thickness.

Unit 9 | Heat, Thermochemistry and Calorimetry Review

10th Grade

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42 Qs

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Unit 9 | Heat, Thermochemistry and Calorimetry Review

Quiz

•

Science

•

10th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS3-4, HS-PS1-4, HS-PS3-2

Standards-aligned

Mauie McMillan

Used 8+ times

FREE Resource

42 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Thermochemistry?

The study of heat changes in chemical reactions and physical changes of state.

The study of energy in motion.

The study of temperature changes in substances.

The study of chemical bonds.

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

NGSS.HS-PS3-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define Energy.

The capacity to perform work or supply heat.

The measure of temperature.

The stored chemical potential.

The process of heat absorption.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Heat (q)?

A) A form of energy that flows between objects due to a temperature difference.

B) The measure of kinetic energy.

C) The energy stored in chemical bonds.

D) The process of energy conversion.

Tags

NGSS.HS-PS3-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Temperature is a measure of the average ________ energy of the particles within a substance.

kinetic

potential

thermal

chemical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Kinetic Energy?

The energy possessed by an object due to its motion.

The energy stored in chemical bonds.

The energy released in exothermic processes.

The energy absorbed in endothermic processes.

Tags

NGSS.HS-PS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define Potential Energy.

Stored energy due to position or chemical composition.

Energy in motion.

Energy released in chemical reactions.

Energy absorbed from surroundings.

Tags

NGSS.HS-PS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Chemical Potential Energy is stored within the ________ of a substance.

chemical bonds

molecular structure

atomic nucleus

electron cloud

Tags

NGSS.HS-PS1-4

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Unit 9 | Heat, Thermochemistry and Calorimetry Review

42 questions

What is Thermochemistry?

Define Energy.

What is Heat (q)?

Temperature is a measure of the average ________ energy of the particles within a substance.

What is Kinetic Energy?

Define Potential Energy.

Chemical Potential Energy is stored within the ________ of a substance.

What is an Exothermic Process?

Define Endothermic Process.

The Law of Conservation of Energy states that energy cannot be created or ________.

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