Law of Conservation of Matter - Reactions

What reaction type is the following chemical equation?

Zn(s) + 2HCl(aq) = ZnCl₂(aq) + H₂(g)

• Single Replacement

• Double Replacement

• Synthesis

• Decomposition

Tags

SPS3.a

What reaction type is the following chemical equation?

• HCl + KOH → KCl + H₂O.

• Single Replacement

• Double Replacement

• Synthesis

• Decomposition

Tags

SPS3.a

What reaction type is the following chemical equation?

• 2HgO(s)→2Hg(l)+O₂(g)

• Single Replacement

• Double Replacement

• Synthesis

• Decomposition

Tags

SPS3.a

What reaction type is the following chemical equation?

Zn(s) + 2HCl(aq) = ZnCl₂(aq) + H₂(g)

• Single Replacement

• Double Replacement

• Synthesis

• Decomposition

Tags

SPS3.a

What reaction type is the following chemical equation?

• H₂CO₃(aq)→CO₂(g)+H₂O(l)

• Single Replacement

• Double Replacement

• Synthesis

• Decomposition

Tags

SPS3.a

What reaction type is the following chemical equation?

• 2CO + O₂ →2CO₂

• Single Replacement

• Double Replacement

• Synthesis

• Decomposition

Tags

SPS3.a

What type of reaction is the following chemical equation?

4Al + 3O₂ →2Al₂O₃

• Single Replacement

• Double Replacement

• Synthesis

• Decomposition

Tags

SPS3.a

What type of reaction is the following chemical equation?

Fe(s) + CuSO₄ (aq)→ FeSO₄ (aq) + Cu(s)

• Single Replacement

• Double Replacement

• Synthesis

• Decomposition

Tags

SPS3.a

Jenny wanted to make 3 molecules of a substance made with aluminum and oxygen. How many aluminum and oxygen atoms will she need?

• 1 aluminum; 1 oxygen

• 2 aluminum; 3 oxygen

• 3 aluminum; 6 oxygen

• 6 aluminum; 9 oxygen

Tags

NGSS.MS-PS1-1

What does the 2 represent in front of H₂ represent?

2H₂ + O₂→2H₂O

• It indicates that there are 4 hydrogen atoms after you add the coefficient and the subscript

• It indicate that there are a total of 4 hydrogen atoms all bonded together as a single molecule

• It indicates that there are 2 hydrogen molecules chemical bonded together in the reaction

• It indicates that there are 2 separate hydrogen molecules in the reaction

Tags

SPS3.b