Chemical Interactions Study Guide

Front

What is an exothermic reaction?

Back

A reaction that releases energy in the form of heat.

Tags

NGSS.HS-PS1-4

Front

What does 'syn' mean in chemistry?

Back

Together.

Front

What are examples of chemical reactions?

Back

Bubbles, rusting, and formation of a new substance.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Which ions are present in the greatest amount in a solution with a pH of 8.5?

Back

Hydroxide ions.

Front

What does the equation X + ZY → XZ + Y indicate?

Back

X is a more reactive compound than Y.

Tags

NGSS.MS-PS1-2

Front

What is a chemical reaction?

Back

A process where substances (reactants) are transformed into new substances (products).

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not alter the chemical composition, while a chemical change results in new substances being formed.

Tags

NGSS.MS-PS1-4

Front

What is the pH scale?

Back

A scale that measures how acidic or basic a solution is, ranging from 0 (acidic) to 14 (basic).

Front

What is combustion?

Back

A chemical reaction that involves the rapid combination of a substance with oxygen, producing heat and light.

Tags

NGSS.MS-PS1-5

Front

What are hydroxide ions?

Back

Negatively charged ions (OH-) that are present in basic solutions.

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-5