Identifying States of Matter in Chemical Reactions

The video tutorial explains how to add state symbols to chemical equations. It introduces four state symbols: solid (S), liquid (L), gas (G), and aqueous (AQ), which indicate the physical state of substances in a reaction. The tutorial walks through an example involving potassium, water, potassium hydroxide, and hydrogen gas, demonstrating how to assign the correct state symbols based on the description of the reaction. The video concludes with a summary of the state symbols used in the reaction equation.

What symbol is used to denote a solid state in a chemical equation?

• AQ

• G

• L

• S

Tags

NGSS.MS-PS1-4

Which state symbol represents a liquid?

• AQ

• L

• G

• S

Tags

NGSS.MS-PS1-4

What does the state symbol 'G' stand for?

• Liquid

• Aqueous

• Solid

• Gas

Tags

NGSS.MS-PS1-4

What is the meaning of the 'AQ' symbol in a chemical equation?

• Dissolved in water

• Liquid

• Gas

• Solid

In the reaction described, what is the state symbol for potassium?

• S

• AQ

• G

• L

What state does water represent in the described reaction?

• Solid

• Aqueous

• Liquid

• Gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What state symbol is used for potassium hydroxide in the reaction?

• AQ

• L

• G

• S

What does the formation of bubbles indicate about the state of hydrogen in the reaction?

• Liquid

• Aqueous

• Gas

• Solid

Which state symbol is not appropriate for describing ice in a chemical equation?

• S

• AQ

• L

• G

Tags

NGSS.MS-PS1-4

What does the 'L' symbol in a chemical equation typically represent?

• Solid

• Liquid

• Gas

• Dissolved in water