Is it possible to replace our dependency on fossil fuels with alternative renewable energy's?

Chemistry

1 answer:

77julia77 [94]1 year ago

5 0

Answer:

yes, coal for example produces energy by burning but there are several alternatives such as water or solar which are 2 growing energy sources.

Explanation:

hope this helps!

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A neutral atom in the ground state of Sulfur has its outer most valence electron in which orbital? f d

Natasha_Volkova [10]

<u>Answer:</u> The outermost valence electron enters the p orbital.

<u>Explanation:</u>

Valence electrons are defined as the electrons which are present in outer most orbital of an atom.

Sulfur is the 16th element of the periodic table having 16 electrons.

Electronic configuration of sulfur atom is $1s^22s^22p^63s^23p^4$

The number of valence electrons are 2 + 4 = 6

These 6 electrons enter s-orbital and p-orbital but the outermost valence electron will enter the p-orbital.

Hence, the outermost valence electron enters p orbital.

3 0

3 years ago

How many moles of h2o are produced when using 7 moles of h2

Olenka [21]

1) Write the balaced chemical equation:

H2 + 2O2 → 2H2O

2) Infere the molar ratios:

1 mol H2 : 2 mol of water

3) Make the calculus as the direct proportion relation:

[2 mol H2O] / [1 mol H2] * 7 mol H2 = 14 mol H2

As you see you produce the double number of moles of H2O than number of moles of H2 used.

Answer: 14 moles

6 0

3 years ago

Help help help ASFAP

gulaghasi [49]

Answer:

A directory of relatives' phone numbers

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Explanation:

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2 years ago

3. Five grams of orange-drink mix are

navik [9.2K]

Answer:

I think it is C 105

Explanation:

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2 years ago

What will happen if a peeled banana is put on a hotplate? Will it undergo a physical or a chemical change?

FinnZ [79.3K]

I would say physical, because a physical change is affecting the form of a chemical substance, but not it's chemical makeup.

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2 years ago