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xxMikexx [17]
3 years ago
6

What are clean sources of energy​

Chemistry
2 answers:
dezoksy [38]3 years ago
4 0
The most common sources of clean energy include (renewable energy,hydropower energy,solar energy and energy created by wind)
solong [7]3 years ago
3 0

solar energy

wind energy

hydro energy

tidal energy

geothermal energy

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1. Calculate how many moles of glycine are in a 130.0-g sample of glycine.2. Calculate the percent nitrogen by mass in glycine.
Alexxx [7]

Answer:

n=1.732mol

\% N=18.7\%

Explanation:

Hello!

In this case, since the molecular formula of glycine is C₂H₅NO₂, we realize that the molar mass is 75.07 g/mol; thus, the moles in 130.0 g of glycine are:

n=130.0g*\frac{1mol}{75.07 g}\\\\ n=1.732mol

Furthermore, we can notice 75.07 grams of glycine contains 14.01 grams of nitrogen; thus, the percent nitrogen turns out:

\% N=\frac{14.01}{75.07}*100\% \\\\\% N=18.7\%

Best regards!

4 0
3 years ago
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Studentka2010 [4]

Answer:

A. 18

Explanation:

Sulfur number sixteen forms a negative

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3 0
3 years ago
Describe radiation in a full sentence
Mandarinka [93]

Answer:

Radiation is energy that comes from a source and travels through space at the speed of light.

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2 years ago
How many carbon atoms does the common group of amino acids have? a. 0 c. 2 b. 1 d. 3
zzz [600]
I definitly believe the answer is c. 2
4 0
3 years ago
Which substance most likely has the strongest intermolecular forces?
serious [3.7K]

Answer: -

Acetic acid

Explanation: -

The intermolecular force of attraction depends on the strength or extent of Hydrogen bonding present in a substance.

Benzene and chloroform does not have hydrogen bonding being non polar molecule.

Water has hydrogen bonding being polar.

However acetic acid being most polar has the maximum hydrogen bonding.

Thus acetic acid has the strongest intermolecular forces of attraction.

4 0
3 years ago
Read 2 more answers
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