Chemical Equations

What is the state of matter of this substance?

• solid

• aqueous

• gas

• liquid

What state of matter is this substance?

• solid

• liquid

• gas

• aqueous

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The substances that you end with after reaction, that are listed on the right side of the arrow are called...

• Yields

• Reactants

• Products

• Precipitates

Tags

NGSS.MS-PS1-2

The substances that you start with in a reaction, that are listed on the left side of the arrow are called...

• Products

• Coefficients

• Precipitates

• Reactants

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

• N₂ + H₂

• NH₃

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-1

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

• N₂ + H₂

• NH₃

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-1

The law of conservation of mass states that... (SELECT ALL THAT APPLY)

• mass should be equal on both side of the equation

• the same elements are present on both side of the equation

• the amount of each atom is equal on both side of the equation

• elements cannot be rearranged

Tags

NGSS.MS-PS1-5

How many of each element is present in the the formula H₂SO₄ ?

• H = 2, S = 4, O = 4

• H = 2, S = 1, O = 4

• H = 8, S = 4, O = 4

• H = 2, SO = 4

Tags

NGSS.MS-PS1-1

How many atoms of carbon (C) are in C₆H₁₂O₆?

• 3
• 6
• 12
• 24

Tags

NGSS.MS-PS1-1

The number ₃ in 4NH₃ is called a..

• Subscript

• Superscript

• Coefficient

• Product