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Vedmedyk [2.9K]
3 years ago
7

Interesting facts about coal

Chemistry
2 answers:
babunello [35]3 years ago
8 0
Coal will eventually run out as it is an non-renewable energy. these are when they cannot be reproduced to make more,unlike would as u can replant them to create trees
Delicious77 [7]3 years ago
7 0
Coal is made of carbon<span> and also has more elements like </span>hydrogen<span>, </span>oxygen<span>, sulfur and </span>nitrogen<span>.
</span>Coal starts as plant matter at the bottom of ocean/water<span>. Eventually it is covered and buried by sediments where over a while, metamorphosis (a change in form) happens.
</span><span>Coal is also one of the biggest, if not the largest, source of energy for the making of electricity.</span>
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When matter is broken down physically by wind or chemically by salt water, what is this known as?
Allushta [10]
C, erosion. Erosion is the natural process of breaking down natural products through wind, or similar natural resources. 
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3 years ago
A student runs two experiments with a constant-volume "bomb" calorimeter containing 1500.g of water.
muminat

Answer:

See explaination

Explanation:

Please kindly check attachment for the step by step solution of the given problem

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2 years ago
The net ionic equation for formation of an aqueous solution of nii2 accompanied by evolution of co2 gas via mixing solid nico3 a
Ann [662]

Answer:

NiCO3 (s) + 2H+ (aq) → H2O (l) + CO2 (g) + Ni2+ (aq)

Explanation:

To write the complete ionic equation:

1. Start with a balanced molecular equation.

2. Break all soluble strong electrolytes (compounds with (aq) beside them) into their ions

3. indicate the correct formula and charge of each ion

4. indicate the correct number of each ion

5. write (aq) after each ion

6. Bring down all compounds with (s), (l), or (g) unchanged.

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3 years ago
How do you solve the level of a liquid in a graduated cylinder
Nezavi [6.7K]
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8 0
2 years ago
The atmospheric pressure in Francisco on ascertain day was 97.6kpa what was the pressure on mmhg
vodka [1.7K]

Answer:

732.0601 mmHg

Explanation:

Given data:

Pressure = 97.6 KPa

Given pressure in mmHg = ?

Solution:

Kilo pascal and millimeter mercury both are units of pressure.

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Millimeter mercury is denoted as " mmHg"

Kilo pascal is measure of force per unit area while also define as newton per meter square.

It is manometric unit of pressure. It is the pressure generated by column of mercury one millimeter high.

Conversation of kilopascal to mmHg:

97.6 × 7.501 = 732.0601 mmHg

3 0
3 years ago
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