Law of Conservation of Mass

Front

40 grams of calcium reacts with 71 grams of chlorine to produce _______ g of calcium chloride.

Back

111

Tags

NGSS.MS-PS1-5

Front

______ g of potassium reacts with 16 g of oxygen to produce 94 g of potassium oxide.

Back

78

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

14 g of lithium reacts with _____ g of sulfur to produce 46 g of lithium sulfide. Options: 32, 60, 25, 10

Back

32

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

24 g of magnesium reacts with 38 g of fluorine to produce ______ g of magnesium fluoride.

Back

62

Tags

NGSS.MS-PS1-5

Front

88 g of strontium reacts with 160 g of bromine to produce _______ g of strontium bromide.

Back

248

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

______ g of hydrogen reacts with 32 g of oxygen to produce 34 g of hydrogen peroxide.

Back

2

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Is the chemical equation following the Law of Conservation of Mass? 3 H₂ + N₂ → 2 NH₃

Back

Yes, it is following the Law

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

Is the chemical equation following the Law of Conservation of Mass? Na₂O + 2 CO₂ → 2 Na₂CO₃

Back

No, it is not following the Law

Tags

NGSS.MS-PS1-5

Front

How many atoms in TOTAL make up the chemical equation below? 6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂

Back

36 atoms total

Tags

NGSS.MS-PS1-1

Front

How many oxygen atoms in TOTAL make up the chemical equation below? 6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂

Back

18 atoms total

Tags

NGSS.MS-PS1-1