Thermochemistry and Kinetics

When energy is released, the reaction is described as ________.

• endothermic

• exothermic

• zero order

• first-order

Tags

NGSS.HS-PS1-4

The value of change of enthalpy is ________ if the heat flow from the system to the surroundings

• positive

• negative

• unchanged

Tags

NGSS.HS-PS3-4

When energy is absorbed, the reaction is described as ________.

• endothermic

• exothermic

• zero order

• first-order

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

It is defined as the degree of coldness or hotness of an object

• heat

• internal energy

• enthalpy

• temperature

Tags

NGSS.MS-PS3-4

What type of reaction is this?

• Exothermic

• Endothermic

• Kinetic

• Potential

Tags

NGSS.HS-PS1-4

It is defined as the energy contained within a system.

• heat

• internal energy

• enthalpy

• temperature

It is the change in the concentration of the reactants and products per unit time.

Tags

NGSS.HS-PS1-5

It is the factor affecting rate of reaction, wherein there is higher chances of collision because of increased amount of kinetic energy

Tags

NGSS.HS-PS1-5

The process of increasing the chemical reaction by adding a substance that increases the rate of reaction

Tags

NGSS.HS-PS1-5

A way to determine the rate of reaction for different concentration of reactants

Tags

NGSS.HS-PS1-5