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Which state can a substance NOT be in if heat transfer through convection is occurring?

Solid.

CM
Answered by Calum M. Physics tutor
3634 Views

What is an enzyme and what effect does temperature have on enzyme activity? (6 marks)

An enzyme is a globular protein that acts as a biological catalyst.  They work by reducing the activation energy of chemical reactions, which increases the rate of reactions.

...

IO
Answered by Isabel O. Biology tutor
16002 Views

What are the limitations on the Prime Minister?

The media: Can pick up on small things such as Gordon Brown referring to Gillian Duffy as a bigot.

The Party: The Conservative Parties backbench demands for a European Uniion referndum wh...

TC
7353 Views

What are the advantages of franchising?

The franchisee will be buying into a established brand so there will be less risk of the business failing because they have a good repuattion and have a product which consumers will demand.

...

TC
3719 Views

Describe the photoelectric effect.

The photoelectric effect is a phenomenom which occurs when photons strike a metal causing electrons to be released from the metal atoms. This occurs because the photons transfer their energy to the ele...

IW
Answered by Iman W. Physics tutor
3999 Views

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