Translating Equations

In the equation shown, what are the reactant(s)?

• N₂ + H₂

• NH₃

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In the equation shown, what are the product(s)?

• N₂ + H₂

• NH₃

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

To balance an equation you should:

• ONLY change subscripts.

• ONLY change coefficients.

• Change BOTH subscripts and coefficients.

Which reactant is missing from the equation shown?

(What should go in the place of the "X"?)

• One hydrogen atom.

• Three hydrogen atoms.

• Four oxygen atoms.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The blue numbers in the image below are called ___________.

• compounds

• coefficients

• subscripts

• chemical formulas

The big/regular sized numbers in a chemical formula:

(the RED numbers)

• Subscripts

• Coefficients

• Numbers

• Molecules

Is this equation balanced?

• Yes, everything appears the same amount on each side.

• No, there are too many copper on the left side.

• No, there are too many oxygen on the left side.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The small numbers in a chemical formula:

(the BLUE numbers)

• Subscripts

• Coefficients

• Numbers

• Molecules

Translate the chemical equation @@ ext{C}_6 ext{H}_{12} ext{O}_6 + 6 ext{O}_2 ightarrow 6 ext{CO}_2 + 6 ext{H}_2 ext{O}@@ into words.

• Glucose reacts with oxygen to produce carbon dioxide and water.

• Carbon dioxide and water react to produce glucose and oxygen.

• Glucose and water react to produce carbon dioxide and oxygen.

• Oxygen and carbon dioxide react to produce glucose and water.

Tags

NGSS.MS-LS1-6

NGSS.MS-PS1-5

• Force is the product of mass and acceleration.

• Force is the sum of mass and acceleration.

• Force is the difference between mass and acceleration.

• Force is the ratio of mass to acceleration.

Tags

NGSS.MS-PS2-2