3 years ago

What are sources of electricity? List as many as you can

1 answer:

4 0

Fossil fuels, oil , natural gas Renewable energy, wind , geothermal , and solar Nuclear power, Other sources

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What is the symbol for temperature? m q T J

Tcecarenko [31]

Answer:

Explanation:

m is mass

q is heat

J is energy

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. The compound Fe(NO3)3(s) is classified as a(n):?. a. polyatomic compound. b. molecular compound. c. ionic compound. d. multi-a

patriot [66]

the best answer is C i.e is ionoic compound. but all other option sare quite close enough but option B is sure wrong. because A molecular compound does not separate in a solvent.

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3 years ago

When bromine water is shaken with a liquid organic compound it is rapidly

dybincka [34]

answer:

This allows us to tell alkenes apart from alkanes using a simple chemical test. Bromine water is an orange solution of bromine. It becomes colourless when it is shaken with an alkene. Alkenes can decolourise bromine water, but alkanes cannot.

explanation:

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1 year ago

Which element has the greatest density at STP?

son4ous [18]

Answer: Option (4) is the correct answer.

Explanation:

It is known that density is mass divided by volume.

Mathematically, Density = $\frac{mass}{volume}$

Since, density is directly proportional to mass. So, more is the mass of an element more will be its density.

Mass of magnesium is 24.305 g/mol.

Mass of barium is 137.327 g/mol.

Mass of beryllium is 9.012 g/mol

Mass of radium is 226 g/mol.

Hence, radium has more mass therefore it will have the greatest density at STP.

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3 years ago

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Answer:

Explanation:

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