S3 - Chemical equilibrium intro

Choose the CORRECT sentence to complete the following Le Chatelier's principle.

"If a chemical system at equilibrium is disturbed, the system will..."

• stop the chemical reaction and resume only after the disturbance is removed.

• shift its equilibrium position in the direction that reduces the effect of the disturbance.

• shift its equilibrium position to Right

• shift its equilibrium position to Left

Which of the following statements is CORRECT for a reaction at an equilibrium?

• The rate of forward and reverse reactions are equal.

• Products are always formed faster

• Gases are never formed

• The rate of chemical equilibrium reaction is always fast

The picture shows a reversible chemical reaction taking place. How can equilibrium be reached?

• Stopper the flask.
• Add more reactants.
• Add more products.
• Cool the contents.

The study of how Chemical Reactants generate Products and Products regenerate the reactants

• Chemical phytokinesis

• Chemical Thermodynamics

• Chemical Equilibrium

• Chemical Kinetics

When writing a reaction for Chemical equilibrium, we use this type of Arrows.

• 
• 
• 
• 

During equilibrium, the amount of the products and the amount of the reactants are __________.

• Constant (they neither Increase nor Decrease)

• Constantly increasing

• Constantly decreasing

What is a diatomic molecule?

• Two non-metal atoms of the same element.

• Two metal atoms of different elements.

• The smallest particle of a compound that maintains the compound's properties.

• Two metal atoms of same elements.

Ina Chemical equation, ________ are on the left side of equation and _______ are on the right side of the equation.

• Reactants /

  Products

• Products / Reactants /

• Metals / Non-metals

• Non-metals / Metals

What is Forward reaction ?

• the reaction that is fast and hot that does the dissolving

• the reaction that uses reactant to generate Products

• to produce

• the reaction that gives results.

It is a chemical reaction where the reactants form products and the products re-generate reactants.

• reversible reaction

• nonreversible reaction

• decomposition reaction

• standard reaction