Why is coal non renewable

Chemistry

2 answers:

sweet-ann [11.9K]3 years ago

8 0

Answer:

Coal is classified as a nonrenewable energy source because it takes millions of years to form. Coal contains the energy stored by plants that lived hundreds of millions of years ago in swampy forests.

Ivenika [448]3 years ago

6 0

Answer: It takes millions of years for it to replenish and humans are taking it a lot faster than it is replenished

Explanation:

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At what point will potential energy be the highest? The object has a mass of 5 kg

Sloan [31]

Explanation:

Given that,

The mass of the object, m = 5 kg

We need to find the maximum potential energy. When the height of the object is maximum it will have the maximum potential energy.

The attached figure shows that the maximum height is 25 m. The formula for the potential energy is given by :

$P=mgh\\\\P=5\times 9.8\times 25\\\\P=1225\ J$

So, when the height is 25 m, the object will have the highest potential energy.

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3 years ago

Draw the carboxylic acid produced from the acid hydrolysis of butyl acetate.

Nat2105 [25]

Answer:

Acetic or ethanoic acid.

Explanation:

Hello,

Butyl acetate's hydrolisis is shown below:

$CH_3COOCH_2CH_2CH_2CH_3+H_2O-->CH_3COOH+CH_3CH_2CH_2CH_2OH$

Whereas $CH_3COOCH_2CH_2CH_2CH_3$ is the butyl acetate, $CH_3CH_2CH_2CH_2OH$ butanol and $CH_3COOH$ the required produced acid, acetic or ethanoic acid (attached picture).