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3 years ago

5. Do you think oppositional or symbiotic relationships are more beneficial to an ecosystem? Justify

Chemistry

1 answer:

mars1129 [50]3 years ago

6 0

Answer:

I think they are beneficial for the life of those symbiotic organisms that require yes or yes from another to be able to live.

Although an ecosystem could not be carried out if only this relationship would occur, since symbiotic relationships we have an organism where it needs another to live and even removes the necessary nutrients for it, that is why the chain should continue with other types of relationships .

Explanation:

The symbiosis is defined as "Intimate association of organisms of different species to mutually benefit in their vital development" that is why adequate coexistence between these living organisms is needed, otherwise this phenomenon would not occur.

A very good example of the symbiosis is: Bees and plants where the bee is the pollinating agent of the plant so that it continues to reproduce and the plant is the bee's food source.

Therefore I believe that the development of this type of relationship is VITAL, and very fundamental, otherwise I do not know if an ecosystem or a balanced ecosystem could be carried out.

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A fire is an example of an exothermic reaction. Which of the following best

Juliette [100K]

Answer: B. Fire is releasing energy

Explanation:

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2 years ago

If the aluminum block is initially at 25 ∘C, what is the final temperature of the block after the evaporation of the alcohol? As

skad [1K]

Explanation:

The given data is as follows.

Heat of vaporization ( $\Delta H_{vap}$ ) = 45.4 kJ/mol

Specific heat ( $C_{p}$ ) = 0.903 $j/g^{o}C$

Let us assume the alcohol given is $C_{3}H_{8}O$ and its mass is 1.12 g. Also, mass of aluminium block is 73.0 g.

First, calculate the moles of alcohol ( $C_{3}H_{8}O$ ) as follows.

No. of moles alcohol = $\frac{mass}{\text{molar mass}}$

= $\frac{1.12 g}{60.1 g/mol}$

= 0.0186 mol

So, heat absorbed by the alcohol ( $q_{alcohol}$ ) = heat lost by aluminium ( $q_{aluminium}$ )

$n \times \Delta H_{vap}$ = $-m \times C_{p} \times \Delta T$

$0.0186 mol \times 45.4 kJ/mol = - 73.0 g \times 0.903 J/g^{o}C \times (T_{f} - 25^{o}C)$

12.71 = $- (T_{f} - 25^{o}C)$

$T_{f} = 12.3^{o}C$

Thus, we can conclude that the final temperature of the block is 12.3^{o}C[/tex].

7 0

3 years ago

How many atoms are in 5.00g of carbon

melisa1 [442]

Answer:

2.51 x 1023 atoms C

Explanation:

MW C = 12.011

5g x (1mol/12.011g) =0.416 mol

0.416 mol x (6.022x10^23) = 2.51 x 1023 atoms C

5 0

3 years ago

Which describes the process that forms teflon tm? molecular fluorine (f2) undergoes polymerization. a fluorocarbon polymer break

Stella [2.4K]

Answer:
T<span>etrafluoroethene (F</span>₂CCF₂<span>) undergoes polymerization describes the formation of Teflon.

Explanation:
Polymerization is the process in which small units called as monomers join together repeatedly and forms a long chain macro-molecule called as polymer.
In given question the monomer is Tetrafluoroethene because alkenes can undergo polymerization via Addition polymerization via following mechanism.
a) Free Radical Addition Reaction

b) Acid Catalyzed Addition Reaction

c) Base catalyzed Addition Reaction

The formation of Teflon from Tetrafluoroethene is shown below,</span>

6 0

2 years ago

Read 2 more answers

You want to determine the protein content in milk with the Kjeldahl method. You take 100 g whole milk and use 100 mL of 0.5 M hy

stepladder [879]

Answer:

3.38%

Explanation:

Given that;

the mass of the whole milk sample = 100 g

volume of HCl = 100 mL = 0.1 L

molarity of HCl = 0.5 M

volume of NaOH = 34.50 mL = 0.0345 L

molarity of NaOH = 0.3512 M

Since we knew the molarity and volume of both HCl and NaOH; we can calculate their corresponding number of moles present.

So, number of moles of HCl = molarity of HCl × volume of HCl

number of moles of HCl = 0.5 M × 0.100 mL

= 0.05 mole

number of moles of NaOH = Molarity of NaOH × Volume of NaOH

number of moles of NaOH = 0.3512 M × 0.0345 L

= 0.012 mole

From the question, we can deduce that the number of HCl that is consumed by NH₃ is equal to the number of moles of HCl that is consumed by NaOH.

SO, number of moles of HCl consumed by NH₃ = Total moles of HCl - moles of HCl consumed by NaOH

= 0.05 mole - 0.012 mole

= 0.038 mole

However, to determine the mole of NH₃ present , we have:

number of moles of NH₃ present = number of moles of HCl consumed by NH₃ = 0.038

∴ the mass of Nitrogen with the molecular weight (14.0 g/mol) = 0.038 moles × 14.0 g/mol

= 0.530 g

Now, the percentage of Nitrogen can be calculated as;

$percentage of nitrogen =\frac{mass of nitrogen}{mass of the whole milk sample} *100$

$percentage of nitrogen =\frac{0.530g}{100g} *100$

$percentage of nitrogen =0.530%$ %

the percentage of protein in the sample = CP × %age of N

where CP is given as 6.38

∴ the percentage of protein in the sample = 6.38 × 0.530%

the percentage of protein in the sample = 3.3814%

the percentage of protein in the sample = 3.38%

6 0

3 years ago