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Chemistry

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Laverna Senger

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Cards in this guide (9)
What is the purpose of a catalyst

a catalyst provides a different path for a reaction to occur

To lower the activation energy of a reaction

Catalyst vs one without catalyst What is different

what is the purpose of catalyst in textile paint?

Which of the following acts as a catalyst in catalytic converters

Metal

What energy is required for a reaction to occur

Activation energy

What is the wavelength of a light of frequency 4.47 X 1014 Hz

The wavelength is 671 nm.

How is the H fusion used to calculate the mass of solid that 1kJ of energy will melt

1kj x 1/H fusion x g/mol solid

What makes an increase in temperature change the reactions rate

The reaction rate increase when the temperature is higher.

How do changes in temperature and activation energy compare in how they affect reaction rate Apex

Changes in temperature and activation energy have opposite effects on reaction rate.

What cause the concentration of reactants to affect the reaction

The reaction rate increase when the concentration of reactants increase.

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