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Equilibrium and Reversible Reactions

Authored by Nick Work

Science

10th Grade

Used 4+ times

Equilibrium and Reversible Reactions
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct symbol for a reversible reaction?

=

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A reversible reaction is one in which both the forward and reverse reactions can take place.

A reversible reaction is one in which both the forward and reverse reactions can take place.

A reversible reaction is one in which only the forward reaction can take place.

A reversible reaction is one in which only the reverse reaction can take place.

A reversible reaction is one in which no reaction takes place.

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following statements about a system in equilibrium are true?

select all that apply

It requires a closed system

The concentrations of the reactants and products are equal to each other

The forward and backward reactions occur at the same rate

The concentrations of the reactants and products remain constant

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

To reach equilibrium, the reactants and products must be in a ______ system. This means that the reactants and products can't escape.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At equilibrium, if the concentration of reactants is higher than the concentration of products, we say that the position of equilibrium lies to the:

Left

Right

Center

Top

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens in an endothermic reaction?

Heat energy is taken in from the surroundings

Heat energy is given out to the surroundings

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a reversible reaction, if the forward reaction is exothermic, the backward reaction is _______.

endothermic

exothermic

neutral

catalytic

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