formula and equations

The following is what type of reaction:
PbCl₂ + AgNO₃ → Pb(NO₃)₂ + AgCl

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

The following is what type of reaction:
NH₃ + HCl  → NH₄Cl

• Synthesis
• Decomposition
• Single Replacement Replacement
• Double Replacement Replacement

What is decomposition?

• putting substances together
• breaking substances apart
• element replacing another element in a compoud
• burning of a subtance

Consider the equation 4 Fe+3 O₂ → 2 Fe₂O₃ . In this equation, 3 O₂ is a

• product
• reactant
• compound

Tags

NGSS.MS-PS1-5

C₆H₆  +  O₂ → CO₂  +  H₂O

• Sythesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

Molecular Formula = C₂F₆

Choose the correct empirical formula.

• CF

• C₂F₆

• C₃F

• CF₃

Empirical Formula = CF₂

Molecular formula mass = 192 g/mol

Molecular Formula = ?

• C₄F₈

• C₈F₄

• C₃F₆

• C₂F₄

What is the empirical formula of K₂SO₄?

• K₂SO₄

• KSO₂

• K₂SO₂

• KSO₈

The empirical formula of a substance is CH₂O. The molar mass is 180g/mol. What is the molecular formula?

• CH₂O

• C₃H₆O₃

• C₆H₁₂O₆

• C₁₂H₆O₁₂

How many Carbons "C" are in C₁₈H₃₄O₃

• 18

• 34

• 3

• 37

Tags

NGSS.MS-PS1-1