PS Unit 5 Review: Chemical Reactions

Chemistry Miscellaneous

100

The reactant(s) in the equation 2Mg + O₂ --> 2MgO

What are Mg and O₂?

200

The number 2 in the chemical formula 3Na₂O

What is subscript?

300

Increasing temperature increases the rate of reaction because the molecules are more likely to _______ because they are moving faster

What is collide?

400

The type of bond formed when phosphorous reacts with hydrogen to produce PH₃

What is covalent?

500

The chemical equation for "carbon tetrahydride reacts with dioxygen to produce carbon dioxide and dihydrogen monoxide"

What is CH₄ + O₂ --> CO₂ + H₂O?

Balancing Equations

100

The scientific rule that explains why coefficients are needed to balance a chemical equation

What is Law of Conservation of Mass?

200

Balanced or not balanced: H₂ + O₂ --> H₂O

What is not balanced?

300

Balanced or not balanced: 2Al₂O₃ --> 4Al + 3O₂

What is balanced?

400

The coefficients to balance the following equation:
__Fe + __O₂ --> __Fe₂O₃

What is 4, 3, 2?

500

The amount of copper produced when 80 grams of magnesium reacts with 120 grams of copper carbonate to produce 110 grams of magnesium carbonate

What is 90 grams?

Acids & Bases

100

Acids usually start with this element

What is hydrogen?

200

A substance with a pH of 6 is a: strong acid, weak acid, neutral, weak base, or strong base

What is weak acid?

300

The typical taste of an acid

What is sour?

400

Typical pH for acid rain would be closest to: 1, 4, 6, 7, 8, 13

What is 4?

500

In neutralization reactions, an acid and a base react to form what 2 products typically?

water and a salt

Types of Reactions

100

The type of reaction when two reactants form one product

What is combination?

200

The type of reaction in which one element replaces another in a compound

What is single replacement?

300

The type of reaction NaCl + MgO --> Na₂O + MgCl₂

What is double replacement?

400

Not a chemical reaction, but a nuclear reaction that takes place when two hydrogen nuclei combine to form a helium atom

What is nuclear fusion?

500

Photosynthesis is this type of reaction because radiant energy from the sun is required for it to proceed

What is endothermic?

Off Topic

100

According to surveys, the most popular ice cream flavor in America

What is chocolate?

200

The age you have to be to get a covid vaccine in Louisiana

What is 16?

300

The number 1 song on the radio right now according to Billboard Hot 100

What is Leave the Door Open?

400

The official last day of school for students

What is May 21st?

500

The most money-making movie of all time

What is Avengers?