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kumpel [21]
3 years ago
8

Which of the following statements is true? A. Some plants are considered abiotic components of an ecosystem. B. Animals are alwa

ys biotic components of an ecosystem. C. Temperature range is always a biotic component of an ecosystem. D. In many ecosystems, water is considered a biotic component of the ecosystem.
Chemistry
2 answers:
icang [17]3 years ago
8 0
The answer is...
<span>B. Animals are always biotic components of an ecosystem. 

Explanation...
</span>The living components<span> of the environment are known as </span>biotic factors<span>. </span>Biotic factors<span> include plants, </span>animals<span>, and micro-organisms.</span>
Alexeev081 [22]3 years ago
7 0

Answer: Animals are always biotic components of an ecosystem.

Explanation:

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Ethylene glycol (antifreeze) has a density of 1.11 g/cm^3. What is the volume in liters of 3.46 kg of ethylene glycol?
xenn [34]
3.11 i'm not sure about measurements  maybe like 3.11kg/cm^3
7 0
3 years ago
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The balanced equation for combustion in an acetylene torch is shown below:
vichka [17]

Answer:

70mol

Explanation:

The equation of the reaction is given as:

                  2C₂H₂ + 5O₂ → 4CO₂ + 2H₂O

Given parameters:

Number of moles of acetylene = 35.0mol

Number of moles of oxygen in the tank = 84.0mol

Unknown:

Number of moles of CO₂ produced = 35.0mol

Solution:

From the information given about the reaction, we know that the reactant that limits this combustion process is acetylene. Oxygen is given in excess and we don't know the number of moles of this gas that was used up. We know for sure that all the moles of acetylene provided was used to furnish the burning procedure.

To determine the number of moles of CO₂ produced, we use the stoichiometric relationship between the known acetylene and the CO₂ produced from the balanced chemical equation:

From the equation:

         2 moles of acetylene produced 4 moles of CO₂

          ∴ 35.0 mol of acetylene would produced:  

                               \frac{35 x 4}{2} = 70mol

6 0
3 years ago
Read 2 more answers
How does the sun energy affect the movement of global winds
Harrizon [31]
The sun affects the movement of global winds by heating up the water at Equator

I hope that the answer is correct
8 0
3 years ago
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The chemical shift of the CH3 protons in diethylether is δ = 1.16 and that of the CH2 protons is 3.36. What is the difference in
grandymaker [24]

Answer:

Where Blocal = local magnetic field between the two regions of the molecule

Blocal = (1-σ)B0

ΔBlocal = (1-σ1)B0 - (1-σ2)B0 = (σ2 - σ1)B0 = ΔσB0 ≈ ΔδB0 x 10∧-6

= (3.36-1.16) x 10∧-6 x B0 = 2.20 x 10∧-6B0

(a) ΔBlocal = 2.20 x 10∧-6 x 1.9T = 4.2 μT

(b) ΔBlocal = 2.20 x 10∧-6 x 16.5T = 36.3 μT

Explanation:

5 0
3 years ago
Which compound is more soluble in water, lithium fluoride or boron nitride?
DaniilM [7]

Answer:

Lithium Fluoride

Explanation:

It should be lithium fluoride for sure :)

7 0
3 years ago
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