rate of reaction

• A

• B

• C

• D

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NGSS.HS-PS1-5

• A

• B

• C

• D

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NGSS.HS-PS1-5

• A

• B

• C

• D

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NGSS.HS-PS1-5

• A

• B

• C

• D

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NGSS.HS-PS1-5

Which of the following will increase the frequency of successful collisions?

• Increasing the temperature

• Decreasing the pressure

• Decreasing the concentration

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Which of the following has the smallest suface area to volume ratio?

• Powder

• Gauze

• Lumps

Which of the following would give a steeper curve on a graph of volume of gas against time?

• Low temperature

• Low concentration

• Using a catalyst

Tags

NGSS.HS-PS1-5

Which of the following statements about catalysts is false?

• They speed up reactions

• They provide an alternative reaction pathway with a lower activation energy

• They become chemically changed at the end of the reaction

Which of the following will increase the proportion of successful collisions?

• Increasing the temperature

• Increasing the pressure

• Increasing the concentration

Tags

NGSS.HS-PS1-5

What piece of apparatus could be used to measure the volume of gas produced in a reaction

• Gas syringe

• Beaker

• Top pan balance