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Umnica [9.8K]
3 years ago
13

What is Geothermal energy? How does it work? (2-3 sentences is good enough) thx :3

Chemistry
1 answer:
Flura [38]3 years ago
7 0

Answer:

Geothermal power plants, which use heat from deep inside the Earth to generate steam to make electricity. Geothermal heat pumps, which tap into heat close to the Earth's surface to heat water or provide heat for buildings

Explanation:

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1. What is the empirical formula for a compound containing 63.8% N and 36.2% O?
Fittoniya [83]
M\ N_2=28g/mol\\
63,8\%--28g\\
100\%--x\\
x=43,89g

43,89g≈44g
44g == 2x 14g (N) + 1x 16x(O)
M N₂O = 44g

3 0
3 years ago
When water is decomposed into hydrogen and oxygen, these gases cannot combine again to reform water?
Semenov [28]
This statement is false. When water is decomposed into hydrogen and oxygen; these gases are in a position of combining again to reform water. Water is a molecule consisting of one atom of oxygen bound to two hydrogen atoms. The atoms are joined by covalent bonds; however they have addition hydrogen bonds between the partial negative oxygen and the partial positive hydrogen atom.
6 0
4 years ago
Which symbol represents a salt?
Viktor [21]

Answer:

NaCl

Explanation:

none of them. Salt presents NaCl

3 0
4 years ago
Read 2 more answers
Compound X has a molar mass of 266.64 g/mol and the following composition: aluminum 20.24% chlorine 79.76% Write the molecular f
N76 [4]

Answer:

Explanation:

Assume we have 100g of this substance. That means we would have 20.24g of Cl and 79.76g of Al. Now we can find how many moles of each we have:

\frac{79.76 \:g}{35.45 \: g/mol} = 2.25 mol of chlorine

\frac{20.24 \: g}{26.98 \: g/mol} = 0.750 mol of Al.

To form a integer ratio, do 2.25/0.75 = 2.99999 ~= 3.

So the ratio is essentially Al : Cl => 1 : 3. To the compound is possibly AlCl_3.

However, it says it has a molar mass of 266.64 g/mol, and since AlCl3 has a molar mass of 133.32, it must be Al_2Cl_6.

Actually this molecule isn't exactly AlCl3 (which is ionic). Al2Cl6 forms a banana bond where Cl acts as a hapto-2 ligand. But that's a bit advanced. All you need to know is X = Al2Cl6

5 0
3 years ago
86.4g of carbon dioxide gas, are dissolved in 225 ml of water. Calculate the molarity of the carbon dioxide
Agata [3.3K]
311.4 because you add them up
3 0
3 years ago
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