Chemistry Honors_Unit 5 Quizizz_Spring 2021

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

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

What coefficients are needed to correctly balance the equation?
_Bi   +   _O₂   →  _Bi₂O₃

• 3,2,3
• 2,3,2
• 4,3,2
• none of these

In the reaction,

2Mg + O₂ → 2MgO, which are the reactants?

• Mg and O₂

• MgO

• Mg and MgO

• O₂ and MgO

Balance this equation, Al₂O₃ ---> Al + O₂

• Cannot be balanced

• 2Al₂O₃ ---> 2Al + 3O₂

• 2Al₂O₃ ---> 4Al + 3O₂

• 3Al₂O₃ ---> 2Al + O₂

__ C₄H₁₀ + ___O₂ --> ____ CO_2­ + ____ H₂O

• 1, 6 ,4, 5

• 1,7,4,5

• 2, 13,8 , 10

• 4, 26, 16, 10

What is the mole ratio of H₂O to H₃PO₄ in the following chemical equation? Balance the reaction first! P₄O₁₀ + H₂O --> H₃PO₄

• 6:4

• 1:1

• 1:3

• 3:1

Using the following equation:
Fe₂O₃(s) + 3H₂(g) → 2Fe(s) + 3H₂O(l)
How many moles of iron can be made from  6 moles H₂? 

• 4 moles Fe
• 6 moles Fe
• 9 moles Fe
• 2 moles Fe

2Al + 3H₂SO₄ -> Al₂(SO₄)₃ + 3H₂
How many grams of aluminum sulfate would be formed if 250g H₂SO₄ completely reacted with aluminum?

• 0.85 g
• 290 g
• 450 g
• 870 g

A student burns 1.50 mol C₃H₈ according to the following reaction:

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O

How many grams of carbon dioxide are produced?

• 44.0 g

• 66.1 g

• 132 g

• 198 g

The rate of a chemical reaction is NOT affected by which of the following:

• temperature
• concentration
• particle size (surface area)
• All of these affect reaction rates