2 years ago

What is biochemistry

1 answer:

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Answer:

Branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms.

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tate whether the following changes are physical or chemical for rancidipication fixation of water 2 tearing of paper 3 rusting o

damaskus [11]

Answer: Physical change : tearing of paper, fixing of wtaer

Chemical change: rusting of iron , electrolysis of water, Rancidification

Explanation:

Physical change is a change in which there is no rearrangement of atoms and thus no new substance is formed. There is only change in physical state of the substance.

Example: tearing of paper, fixing of wtaer

Chemical change is a change in which there is rearrangement of atoms and thus new substance is formed. There may or may not be a change in physical state.

Example: rusting of iron , electrolysis of water, Rancidification

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2 years ago

Which of the following factors does not affect a reaction rate?

Natalka [10]

The correct answer is C

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2 years ago

Which lewis structures represent a molecule that would assume a linear geometry? check all that apply.

Daniel [21]

CO2, C2H2, BeF2, XeF2, etc all these molecules have linear geometry.

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