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storchak [24]
3 years ago
6

40 POINTS PUT A GOOD ANSWER

Chemistry
1 answer:
Andreyy893 years ago
6 0

Answer:

<u>B</u> What role do animals have in the carbon cycle?

Group of answer choices

use water and release oxygen

<u>use sugar and release carbon</u>

use carbon and release oxygen

use carbon and release nitrogen

<u>D, E</u> Select TWO statements that describe what the scientists will observe in the ecosystem after fossil fuels have been extracted and burned.

Group of answer choices

There is more available space for carbon to become fossil fuels.

There is less carbon in storage.

There will be less carbon in the water.

<u>There is more carbon in the atmosphere.</u>

<u>There will be more carbon respired by organisms.</u>

There will be less carbon released through decomposition.

Explanation:

Animals obtain energy through sugar from the food they eat and release carbon into the air through respiration. Therefore, they partake in the carbon cycle by using sugar and releasing energy.

As far as the second question, when fossil fuels are burned, the carbon contained within them is released into the atmosphere in the form of carbon dioxide. So, there will obviously be a greater amount in the atmosphere.

I would like to apologise in advance if either of my option choices were incorrect.

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How can energy from the Sun be used to heat water? What
worty [1.4K]

Answer:

Water is heated as it travels through flat, glazed panels known as solar collectors, which are normally situated on the roof of the building. The heated water is then stored in an insulated storage tank.

4 0
3 years ago
A. In a separatory funnel containing ethyl acetate and 10% aqueous sodium bicarbonate (NaHCO3), which layer would contain the br
castortr0y [4]

Answer:

ethyl acetate layer

Explanation:

This question tests your knowledge of the principle of solvent extraction.

In solvent extraction, there is always an organic layer and an aqueous layer. The ethyl acetate is the organic layer while the sodium bicarbonate is the aqueous layer.

A brominated aromatic compound will be extracted into the organic layer (ethyl acetate layer).

3 0
3 years ago
What are isoelectronic and isostructural species?
alexgriva [62]
Isoelectronic species are ions or elements that have equal number of electrons. From the root word, electron of the word isoelectronic. On the other hand, isotructural species are compounds with the same structures.Hope this answers the question. 
8 0
4 years ago
If you have 155 mL solution of a 0.762 M FeCl3 solution, how many
Sedaia [141]

Moles are the product of the molar concentration and the volume of the solution. The moles of Ferric chloride is 0.118 moles.

<h3>What are moles?</h3>

Moles are the smallest unit of the measurement of atoms and molecules. It is calculated by the molar concentration and the volume of the solution.

Given,

Molar concentration of ferric chloride = 0.762 M

Volume of solution = 0.155 L

Moles are calculated as:

\begin{aligned} \rm Moles &= \rm Molarity \times Volume (L) \\\\&= 0.762 \times 0.155\\\\&= 0.118\;\rm mol\end{aligned}

Therefore, 0.118 moles of ferric chloride are present in the sample.

Learn more about moles here:

brainly.com/question/17084980

#SPJ1

7 0
2 years ago
Connect them please, dont guess ill give brainiest to the FIRST answer + 29 points
Brut [27]

Answer:

I cant see it sorry

Explanation:

Post another one

5 0
3 years ago
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