8.5E - Law of Conservation of Mass

Front

Matter can not be created nor destroyed: it can only be

Back

Transformed, changed

Tags

NGSS.MS-PS1-5

Front

A student mixes 125 grams of sugar, 250 grams of water and 5 grams of flavoring. The solution weighs...

Back

380 grams

Front

If reaction starts with 20g of reactants, what is the total mass of products produced?

Back

a total of 20g of products

Tags

NGSS.MS-PS1-5

Front

What will weigh more when a chemical change is complete? The reactants before the chemical reaction, or the product after the reaction is complete?

Back

They both will weigh the same

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What are the starting substances in a chemical equation?

Back

Reactants

Tags

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

If a reaction starts with a total 75g of reactants, it should produce:

Back

a total of 75g of products

Tags

NGSS.MS-PS1-5

Front

In the reaction AB → A + B, reactant AB has 12g and product B has 5g. How many grams should product A have?

Back

7g

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 should reactant B have? Options: 4g, 5g, 9g, 14g

Back

4g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

When is a chemical reaction balanced?

Back

Both sides have the same number of atoms

Tags

NGSS.MS-PS1-5