How Far? How Fast?

In an endothermic reaction, what can we do to increase the amount of product?

• Reduce reactant

• Reduce temperature

• Increase temperature

• Reduce volume

Which one is false for catalyst?

• Catalyst will be used up in reaction

• It can decrease the activation energy

• Catalyst has contribution on chemical reaction

• Catalyst can be in a different phase with reactants

What is the name of principle explaining the phenomenon happening in reversible reaction when changes are applied?

• Le Blanc

• Le Chatelier

• L'Hospital

• Born-Haber

2 SO_2(g) + O_2(g) <--> 2 SO_3(g)

What will happen to the reaction if we increase the pressure?

• It will produce more SO₃

• Nothing will happen

• O₂ will be produced

• More SO₂ will be produced

To increase the rate of reaction for solid object, which way can't be done?

• Increase the concentration

• Increase surface area

• Increase temperature

• Use catalyst

What is the name of the theory that can help us understand how some factors affect the rate of reaction?

• Collision Theory

• Theory of Uncertainty

• Atomic Theory

• Kinetic Particle Theory

CH₄ + 2O₂ --> CO₂ + H₂O

If 8g methane (CH₄) is consumed on 0.1 second, what is the rate of reaction according to methane?

• 80 mol/s

• 80 g/s

• 8 mol/s

• 0.8 mL/s

Why does the rate of reaction increase when we used higher concentration reactants?

• More particles can collide

• More particles have high energy

• The orientation can be manipulated

• The activation energy decreases

Which one(s) has/have to occur in order for a chemical reaction to happen?

• The reactants must collide

• The orientation of collision must be accurate

• The energy of reactants must surpass the activation energy

• All of the options are correct

What happens to an exothermic reversible reaction when we give the reactants and products more heat?

• Nothing will happen

• The equilibrium becomes slower

• The reaction is shifted towards reactant

• The reaction will not reach equilibrium