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Zolol [24]
4 years ago
9

How do plants get nutrients from animals? A. When the animal dies, it decays and the nutrients from its body go back into the ea

rth where they are absorbed by plants. B. House plants get nutrients from plant food; other plants don't get any. C. Animals are responsible for watering plants and giving them plant food when there are no people around. D. When an animal eats part of a plant, it gets nutrients from the animal's mouth.
Chemistry
2 answers:
andrezito [222]4 years ago
5 0
A, they return valuable nutrients to the soil.
-BARSIC- [3]4 years ago
3 0

Answer:

A. When the animal dies, it decays and the nutrients from its body go back into the earth where they are absorbed by plants.

Explanation:

The plants as the animals need nutrients to be able to survive and they get them from the solar energy but also from the soil. The plants absorb nutrients that they found in the soil through their roots and they can come from rocky material in the surface and from the decomposition of dead plants and animals. So, according to this, the answer is that plants get nutrients from animals because when the animal dies, it decays and the nutrients from its body go back into the earth where they are absorbed by plants.

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When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 14.4 g of carbon were burned in the presence of
Natasha2012 [34]

When carbon reacts with oxygen it forms CO2. This can depicted by the below equation.

C + O2→ CO2

It has been mentioned that when 14.4 g of C reacts with 53.9 g of O2, then 15.5 g of O2 remains unreacted. <u>This indicates that Carbon is the limiting reagent and hence the amount of CO2 produced is based on the amount of Carbon burnt.</u>

C + O2→ CO2

In the above equation , 1 mole of carbon reacts with 1 mole of O2 to produce 1 mole of CO2.

In this case 14.4 g of Carbon reacts with 53.9 of O2 to produce "x"g of CO2.

<u>No of moles = mass of the substance÷molar mass of the substance</u>

No of moles of carbon = 14.4 /12= 1.2 moles

No of moles of O2 = Mass of reacted O2/Molar mass of O2.

No of moles of O2 = (Total mass of O2 burned - Mass of unreacted O2)/32

No of moles of O2 = (53.9-15.5) ÷ 32 = 1.2 moles.

Hence as already discussed 1 mole of Carbon reacts with 1 mole of O2 to produce 1 mole of CO2. In this case 1.2 moles of carbon reacts with 1.2 moles of O2 to produce 1.2 moles of CO2.

Moles of carbon dioxide = Mass of CO2 produced /Molar mass of CO2

Mass of CO2 produced(x) = Moles of CO2 ×Molar mass of CO2

Mass of CO2 produced(x) = 1.2 x 44 = 52.8 g

<u>Thus 52.8 g of CO2 is produced.</u>

5 0
3 years ago
What is the pH of 15 mL of .2 M HCl
fenix001 [56]
Easy peasy! All we need to do is plug this formula into our calculator:

-log(M)

So, we'd plug in -log(.2), which is 0.7 :)
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nata0808 [166]
The Answer is 10 it a little difficult to explain but I’ll try my best
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Simple question plzz help
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Answer:

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