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sweet-ann [11.9K]
3 years ago
8

Which statement accurately describes non renewable energy sources ?

Chemistry
2 answers:
gladu [14]3 years ago
6 0

Answer:The correct answer is option:

'A resource that cannot be replenished in a short period of time'.

Explanation:

Renewable resources: Resources which are capable of restoring themselves overtime through natural process.They never get exhausted completely.For example: bio mass energy, solar energy etc.

Non-Renewable resources: Resources that cannot be replenished overtime through natural process.These are the resources which are used in wise manner so that to prevent their exhaustion. For example: coal, petroleum etc.

Hence, from the given the options the correct answer is :

'A resource that cannot be replenished in a short period of time'.

xz_007 [3.2K]3 years ago
5 0

a resource that cannot be replenished in a short period of time

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Answer:

A mixture is a physical combination of substances thus it only requires physical processes to separate.

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Explain with the help of examples difference between elements and compounds​
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Boron is to the immediate left of carbon in the same row in the periodic table. Which of the following statements compares the r
natita [175]

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Boron has a larger radius and the protons in carbon exert more pull.

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Read 2 more answers
Determine the number of moles of C5H12 that are contained in 357.4 g of the compound.
AlladinOne [14]

Answer: 4.96 moles

Explanation:

C5H12 is the chemical formula for pentane, the fifth member of the alkane family.

Given that,

number of moles of C5H12 = ?

Mass in grams = 357.4 g

Molar mass of C5H12 = ?

To get the molar mass of C5H12, use the atomic mass of carbon = 12g; and Hydrogen = 1g

i.e C5H12 = (12 x 5) + (1 x 12)

= 60g + 12g

= 72g/mol

Now, apply the formula

Number of moles = Mass / molar mass

Number of moles = 357.4g / 72g/mol

= 4.96 moles

Thus, 4.96 moles of C5H12 that are contained in 357.4 g of the compound.

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