Balancing Reactions Quiz 2

Olivia, Grace, and Nora are studying chemistry together. They come across a chemical equation that they need to balance:

__ CH₃CH₂CH₂CH₃ + __ O₂ → __ CO₂ + __ H₂O

Can you help them find the correct coefficients?

• 13, 8, 2, 10

• 2, 13, 8, 10

• 10, 8, 13, 2

• 20, 16, 26, 4

Tags

NGSS.HS-PS1-7

Isla, Anika, and Grace are having a science experiment. They are trying to balance the following chemical equation:

__ C₃H₈ + __ O₂ → __CO₂ + __ H₂O

Can you help them find the correct coefficients?

• 4, 1, 5, 3

• 2, 10, 6, 8

• 1, 5, 3, 4

• 3, 8, 2, 2

Tags

NGSS.HS-PS1-7

David, Henry, and Jackson are working on a chemistry project. They are trying to balance the following equation:

__ Li + __ AlCl3 → __ LiCl + __ Al

Can you help them find the correct coefficients?

• 3, 1, 3, 1

• 3, 3, 1, 1

• 1, 1, 3, 3

• 1, 3, 1, 3

Tags

NGSS.HS-PS1-7

Michael, Samuel, and Charlotte are studying chemistry together. They come across a chemical equation that they need to balance:

__ C₂H₆ + __ O₂ → __CO₂ + __ H₂O

They each come up with different coefficients. Can you help them figure out the correct coefficients?

• 6, 4, 7, 2

• 7, 6, 2, 4

• 4, 6, 2, 7

• 2, 7, 4, 6

Tags

NGSS.HS-PS1-7

Charlotte, Samuel, and Lily are in a chemistry lab. They are given a task to balance the following equation:

__ NH₄OH + __ H₃PO₄ → __ (NH₄)₃PO₄ + __ H₂O

They came up with the following options. Which one is correct?

• 1, 1, 3, 3

• 3, 1, 1, 3

• 3, 1, 3, 1

• 3, 3, 1, 1

Tags

NGSS.HS-PS1-7

Scarlett, Jackson, and Luna are in a chemistry lab. They are given Rb and P elements and asked to create Rb₃P. If they start with __ Rb and __ P, how many Rb₃P can they make?

• 3, 1, 1

• 1, 3, 1

• 1, 1, 3

• 6, 2, 2

Tags

NGSS.MS-PS1-1

Mia and Henry are studying chemistry together. They come across the following equation and try to balance it:

__ CH₄ + __ O₂ → __ CO₂ + __ H₂O

Abigail, who is good at chemistry, gives them four options. Which one is correct?

• 2, 1, 2, 1

• 1, 1, 2, 2

• 1, 2, 1, 2

• 2, 2, 1, 1

Tags

NGSS.HS-PS1-7

Zoe, Aiden, and Maya are working on a chemistry project where they need to balance the following equation:

__ Al(OH)₃ + __ H₂SO₄ → __ Al₂(SO₄)₃ + __ H₂O

They came up with the following options. Which one is correct?

• 4, 6, 2, 12

• 3, 2, 6, 1

• 2, 3, 1, 6

• 6, 2, 1, 3

Tags

NGSS.HS-PS1-7

Zoe and Daniel are in a chemistry lab. They are given some Sodium (Na) and Chlorine (Cl₂) and asked to produce Sodium Chloride (NaCl). If they start with __ moles of Sodium and __ moles of Chlorine, they will end up with __ moles of Sodium Chloride. Can you help Nora figure out the correct ratio?

• 2, 2, 1

• 4, 2, 4

• 6, 3, 6

• 2, 1, 2

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

Charlotte, Kai, and Harper are in a chemistry lab. They are given a task to balance the following equation:

__ Rb + __ S₈ → __Rb₂S

Can you help them find the correct coefficients?

• 8, 1, 16

• 16, 1, 8

• 1, 8, 16

• 1, 16, 8

Tags

NGSS.HS-PS1-7