Properties of Water and Law of Conservation of Mass

Front

How many elements does PbNO₃ have?

Back

3

Tags

NGSS.MS-PS1-1

Front

How many nitrogen atoms does NH₃ have?

Back

1

Tags

NGSS.MS-PS1-1

Front

What is the reactant in the following equation?
2NaHCO₃  -> Na₂CO₃  +  CO₂  + H₂O
Options: NaHCO₃, Na₂CO₃, CO₂, H₂O

Back

NaHCO₃

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

In a reaction A + B ----> C, reactant A has 5g and product C has 9g. How many grams does reactant B have? Options: 4g, 5g, 9g, 14g

Back

4g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Attraction between different kinds of molecules.

Back

Adhesion

Front

Substance that is dissolved in a solution.

Back

Solute

Front

Dissolving substance in a solution.

Back

Solvent

Front

Scale with values from 0 to 14, used to measure the concentration of H+ ions in a solution.

Back

pH Scale

Front

A solution with a pH less than 7. (high H+ concentration)

Back

Acid

Front

A solution with a pH more than 7. (High OH- concentration)

Back

Base