Chemical Equilibrium

product

• condition of continuous, random movement of particles but no overall change in concentration of materials
• a measurement of how much solute exists within a certain volume of solvent or solution
• a substance that forms in a chemical reaction
• the reaction that forms products from reactants

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reactant

• the reaction that forms products from reactants
• a measurement of how much solute exists within a certain volume of solvent or solution
• a substance that takes part in and undergoes change in a chemical reaction
• condition of continuous, random movement of particles but no overall change in concentration of materials

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NGSS.HS-PS1-7

static equilibrium

• condition of continuous, random movement of particles but no overall change in concentration of materials
• the reaction that forms reactants from products
• a condition where the reaction occurring in a system is completely halted and there exists no movement between the reactants and the products corresponding to the chemical reaction
• a measurement of how much solute exists within a certain volume of solvent or solution

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dynamic equilibrium

• condition of continuous, random movement of particles but no overall change in concentration of materials
• the process by which one or more substances change to produce one or more different substances
• a condition where the reaction occurring in a system is completely halted and there exists no movement between the reactants and the products corresponding to the chemical reaction
• a substance that takes part in and undergoes change in a chemical reaction

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forward reaction

• the substance that does the dissolving
• the reaction that forms products from reactants
• to produce
• the reaction that forms reactants from products

reverse reaction

• a substance that forms in a chemical reaction
• factors found in the built, natural, and social environments such as noise, temperature, humidity, and pressure
• a substance that takes part in and undergoes change in a chemical reaction
• the reaction that forms reactants from products

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NGSS.HS-PS1-6

What are the two factors to look for when determining if the reaction is at equilibrium?

• Forward reaction rate is faster than the reverse reaction rate and amounts of reactants are greater than the products

• Forward and reverse reaction rates are equal and amounts of reactants and products are constant

• Forward reaction rate is slower than the reverse reaction rate and amounts of reactants are greater than the products

• Forward reaction rate is faster than the reverse reaction rate and amounts of products are greater than the reactants

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NGSS.HS-PS1-6

This symbol indicates that a reaction is ____________

• reversible
• irreversible

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NGSS.HS-PS1-6

When the rate of the forward reaction is equal to the rate of backward reaction, the system is said to be in

• Chemical Equilibrium
• Chemical Balance
• Chemical Constant
• Chemical Reaction

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NGSS.HS-PS1-6

At what time does the reaction reach equilibrium?

• t₁
• t₂
• t₃
• t₄

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NGSS.HS-PS1-6

NGSS.HS-PS1-5