Naming and Reactions
Stoichiomtry
Gases
Heat and Phase Changes
Acids, Bases, & Equilibrium
100

This type of reaction occurs when two compounds exchange ions.

What is a double replacement reaction?

100

How many moles are in 44 g of CO₂?

What is 1 mole?

100

Convert 25°C to Kelvin.

What is 298K?

100

Is melting endothermic or exothermic?

What is endothermic?

100

A solution with pH = 3 is:

What is Acidic?

200

What is the formula for silver nitrate?

What is AgNO₃?

200

How many molecules and liters are in 1 mole of any substance at STP?

What is 6.02 × 10²³ molecules and 22.4 Liters?

200

At STP 3 moles of gas occupies:

What is 67.2 L?

200

What phase change occurs when a liquid becomes a gas?

What is vaporization?

200

According to Arrhenius, acids produce:

What is H₃O⁺ (or H⁺) ions?

300

Predict the products:
Na₂SO₄ + BaCl₂ →

What are BaSO₄ and 2NaCl?

300

Using:
2H₂ + O₂ → 2H₂O

How many moles of H₂O are produced from 5 moles of O₂?

What is 10 moles H₂O?

300

According to Kinetic Molecular Theory, gas particles are in:

What is constant random motion?

300

What equation is used to calculate heat during a temperature change?

What is Q = mcΔT?

300

According to Brønsted-Lowry, an acid:

What is a proton donor?

400

A hydrocarbon reacts with oxygen to produce carbon dioxide and water. What type of reaction is this?

What is combustion?

400

A reactant that is completely used up in a reaction is called the:

What is the limiting reactant?

400

A gas occupies 10.0 L at 2.0 atm. What volume will it occupy at 4.0 atm?

What is 5.0 L?

400

Calculate the heat needed to warm 100 g of water from 20°C to 30°C.
(c = 4.18 J/g°C)

What is 4,180 J?

400

For the reaction:
N₂ + 3H₂ ⇌ 2NH₃

If more H₂ is added, the equilibrium shifts:

What is, to the right?

500

Balance:
___ C₄H₁₀ + ___ O₂ → ___ CO₂ + ___ H₂O

What is
2 C₄H₁₀ + 13 O₂ → 8 CO₂ + 10 H₂O?

500

The theoretical yield is 25.0 g and the actual yield is 20.0 g. Calculate percent yield.

What is 80%?

500

A gas occupies 5.0 L at 300 K. What volume will it occupy at 600 K if pressure remains constant?

What is 10.0 L?

500

A hot metal cools down in water. Heat flows:

What is from the metal to the water until thermal equilibrium is reached?

500

25.0 mL of HCl is neutralized by 20.0 mL of 0.50 M NaOH. What is the molarity of the HCl?

What is 0.40 M?