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8_murik_8 [283]
2 years ago
6

How does energy flow through the food chain?

Chemistry
2 answers:
Delicious77 [7]2 years ago
6 0

Answer:

So, energy is really all one big circle. Think of it like this:

When an organism dies, it's body is always inevitably taken back by the earth. For the purpose of the example, we'll use one specific scavenger as the main contributor here. When the body soaks back into the soil, the nutrients act as a fertilizer and aid in the growth of a patch of grass, that grass is eaten by a grasshopper, then, a frog comes along and is eaten by a snake, and eventually, that snake is eaten by an eagle. Let's say that eagle dies of natural causes, and once it passes away, the earth reclaims it's body. Now, we have a whole new fresh patch of grass and the cycle continues on, and on, and on. In this way, all energy is made eternal through the cycle of life and the food chain.

yuradex [85]2 years ago
3 0

Answer:

2nd order.

Explanation:

gras, grasshopper, frog, snake, eagle

Pleas mark branliest if you are satisfied with the answer. Thanking you in anticipation.

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In a balanced chemical reaction, the number of atoms of each element in the product(s) always equals the
dangina [55]
A ? Or c I thinkkkkkk
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2 years ago
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The substance water always has a mass ratio of 11% H to 89% O. If 5.00g of a substance containing H and O was decomposed into .2
Gre4nikov [31]

Answer:

                    No the substance is not water.

Explanation:

                   The balance chemical equation for the decomposition of water is as follow;

                                           2 H₂O = 2 H₂ + O₂

Step 1: <u>Calculate moles of H₂O;</u>

               Moles  =  Mass / M.Mass

               Moles  =  5.0 g / 18.01 g/mol

               Moles  =  0.277 moles of H₂O

Step 2: <u>Calculate Moles of O₂ and H₂ produced by 0.277 moles of H₂O:</u>

According to equation,

                        2 moles of H₂O produced  =  1 mole of O₂

So,

                  0.277 moles of H₂O will produce  =  X moles of O₂

Solving for X,

                     X =  0.277 mol × 1 mol / 2 mol

                     X =  0.138 moles of O₂

Also,

According to equation,

                        2 moles of H₂O produced  =  2 mole of H₂

So,

                  0.277 moles of H₂O will produce  =  X moles of H₂

Solving for X,

                     X =  0.277 mol × 2 mol / 2 mol

                     X =  0.227 moles of H₂

Step 3: <u>Calculate Mass of O₂ and H₂ as;</u>

For O₂:

                 Mass  =  Moles × M.Mass

                 Mass  =  0.138 mol × 31.99 g/mol

                 Mass  =  4.44 g of O₂

For H₂:

                 Mass  =  Moles × M.Mass

                 Mass  =  0.227 mol × 2.01 g/mol

                 Mass  =  0.559 g of H₂

Conclusion:

                   From conclusion it is proved that the amount of H₂ produced by decomposition of 5 g of water should be 0.559 g while in statement it is less i.e. 0.290 g.

6 0
3 years ago
In which of the following is the number of electrons the ion contains given correctly?
Agata [3.3K]

B. Cl- has 17 electrons.

7 0
3 years ago
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Sam read that all subsystems interact with each other. Which example shows how changes in the cryosphere can affect the geospher
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Answer:

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Explanation:

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7 0
3 years ago
What is the half-life of A? What will the pressure, initially 32.1 kPa, at
kodGreya [7K]

Answer:

a) 32.09 kPa

b) 32.09 kPa

Explanation:

Given data:

rate constant = 3.56\times 10^{-7} s^{-1}

initial pressure is = 32.1 kPa

half life of A is calculated as

t_{1/2} = \frac{ln 2}{k}

t_{1/2} = \frac{ln 2}{3.56\time 10^{-7}}

t_{1/2} = = 1.956 \times 10^6 s

for calculating pressure we have follwing expression

ln p = ln P_o - kt

P =P_o e^{-kt}

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b) P = 32.1 e^{-3.56\times 10^{-7} \times 10\times 60} = 32.09 kPa

5 0
3 years ago
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