Translating Equations

The red numbers in the image below represent ________

• subscripts

• coefficients

• I don't know, and don't want to try

• None of the answers are correct

Tags

NGSS.HS-PS1-7

The blue numbers in the image below represent ________

• I don't know, and don't want to try

• coefficients

• subscripts

• none of the answers are correct

Which number should go in the blank?
_ H₂ + O₂ -> 2 H₂O

• 1

• 2

• 3

• 0

Tags

NGSS.HS-PS1-7

How many Hydrogen (H) and how many Chlorine (Cl) are there?

• H = 4, Cl = 1

• H = 4, Cl = 0

• H = 4, Cl = 3

• H = 4, Cl = 4

Tags

NGSS.HS-PS1-7

Identify the Reactants in this equation.

• A

• B

Tags

NGSS.HS-PS1-7

Which of the following equations represents the law of conservation of mass?

Tags

NGSS.HS-PS1-7

What is the balanced equation for the reaction of hydrogen and oxygen to form water?

• @@ ext{H}_2 + ext{O}_2 ightarrow ext{H}_2 ext{O}@@

• @@2 ext{H}_2 + ext{O}_2 ightarrow 2 ext{H}_2 ext{O}@@

• @@ ext{H}_2 + 2 ext{O}_2 ightarrow 2 ext{H}_2 ext{O}@@

• @@2 ext{H}_2 + 2 ext{O}_2 ightarrow 2 ext{H}_2 ext{O}@@

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which equation correctly represents the relationship between force, mass, and acceleration?

Tags

NGSS.HS-PS2-1

• Speed of light

• Speed of sound

• Speed of electron

• Speed of proton

Tags

NGSS.HS-PS4-3

Which of the following equations is used to calculate the gravitational force between two masses?

Tags

NGSS.HS-PS2-4