Which is the most accurate description of compounds?

Chemistry

1 answer:

baherus [9]3 years ago

3 0

Answer: c.They have a unique set of properties that can be used as identifiers.

Explanation:

Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.

Compounds can be decomposed into simpler constituents using chemical reactions.

Example: Water $(H_2O)$

$2H_2O\rightarrow 2H_2+O_2$

Compounds have different properties than the elements it is made up of.

Thus the most accurate description of compounds is that they have a unique set of properties that can be used as identifiers.

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If there is a loss of 5.63 x 10-7kg of mass in a nuclear reaction, how many Joules of energy would be released? Recall that c =

Fudgin [204]

Thank you for posting your question here at brainly.

E = mc^2
where E is the energy in joules, 
m is the mass in kilograms, 
and c is the speed of light. 

E = mc^2 
E = (5.63 x 10^-7 kg)(3 x 10^8 m/s)^2 
E = 5.07 x 10^10 J

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mamaluj [8]

Answer:

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A pure substance that contains more than one atom is called a(n)...

gladu [14]

Answer:

A pure substance that contains more than one atom is called a compound.

Explanation:

Compounds are formed by combination of atoms by a fixed ratio. They have their own characteristic features.
Pure substances are further broken down into elements and compounds. A compound can be destroyed by chemical means. It might be broken down into simpler compounds, into its elements or a combination of the two.

Example