Multiplication and Division Unknowns

Which image matches the equation?

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In a chemical reaction, the rate of reaction is directly proportional to the concentration of reactants. If the concentration of a reactant is doubled, what happens to the rate of reaction?

• It doubles

• It triples

• It remains the same

• It halves

Tags

NGSS.HS-PS1-5

A scientist is studying the growth of bacteria in a lab. If the number of bacteria doubles every hour, how many times will the bacteria multiply in 5 hours?

• 5 times

• 10 times

• 32 times

• 25 times

In physics, if the force applied on an object is doubled, what happens to the acceleration of the object, assuming mass remains constant?

• It doubles

• It triples

• It remains the same

• It halves

Tags

NGSS.HS-PS2-1

A biologist is observing a population of rabbits. If the population triples every month, how many times will the population multiply in 3 months?

• 3 times

• 9 times

• 27 times

• 81 times

Tags

NGSS.HS-LS2-2

In a chemical equation, if the coefficient of a reactant is doubled, what happens to the amount of product formed?

• It doubles

• It triples

• It remains the same

• It halves

Tags

NGSS.HS-PS1-7

A physicist is studying the motion of a car. If the speed of the car is halved, what happens to the kinetic energy of the car?

• It doubles

• It triples

• It remains the same

• It quarters

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

In an experiment, if the volume of a gas is doubled while keeping the temperature constant, what happens to the pressure of the gas?

• It doubles

• It triples

• It remains the same

• It halves

A chemist is analyzing a solution. If the concentration of a solute is halved, what happens to the molarity of the solution?

• It doubles

• It triples

• It remains the same

• It halves

In biology, if the number of cells in a culture is halved, what happens to the growth rate of the culture?

• It doubles

• It triples

• It remains the same

• It halves