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Dovator [93]
3 years ago
13

Results in the complete loss of an organism's home.

Chemistry
1 answer:
Dafna11 [192]3 years ago
5 0

Answer:

Hey!

Because the organisms habitat has been destroyed, (by many reasons such as Deforestation and Climate Change), the capacity to hold the current population of the plant or animals is declined which can eventually lead to the scenario of EXTINCTION

Explanation:

HOPE THIS HELPS!!

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An unknown substance has a boiling point of 174°C. Which statement is true about this unknown substance?
sertanlavr [38]

Answer:

C

Explanation:

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if a continental polar air mass is moving across the United States , what will likely happen to the regions of the country that
krek1111 [17]

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the same thing that happens to United states will happen to other regions

Explanation:

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During a solvent extraction, a student lost track of which layer was the aqueous layer and which layer was the organic layer. Wh
KatRina [158]

Answer:

a. add a little distilled water to see which layer the water adds to

Explanation:

The problem tells us to keep in mind two major aspects of the test: It has to be <em>simple</em>, as well as <em>non-destructive</em>:

  • Adding distilled water can be made in under a minute, without requiring specialized laboratory equipment, unlike IR.
  • It is also non-destructive, because the contents on either layer won't change due to the added distilled water.
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Find the boiling point?<br> 100. g of C2H6O2 dissolved in 200 g of H2O?
aleksklad [387]

Answer:

The correct answer is 104.13ºC

Explanation:

When a solute is added to a solvent, the boiling point of the solvent (Tb) increases. That is a colligative property. The increment in Tb (ΔTb)  is given by the following expression:

ΔTb = Tb - Tbº= Kb x m

Where Tb and Tbº are the boiling points of the solvent in solution and pure, respectively; Kb is a constant and m is the molality of the solution.

In this problem, the solvent is water (H₂O). It is well known that water has a boiling point of 100ºC (Tb). The value of Kb for water is 0.512ºC/m. So, we have to calculate the molality of the solution (m):

m = moles of solute/Kg solvent

The solute is C₂H₆O₂ and we have to calculate the number of moles of this component by dividing the mass into the molecular weight (Mw):

Mw(C₂H₆O₂)= (2 x 12 g/mol) + (6 x 1 g/mol) + (2 x 16 g/mol)= 62 g/mol

⇒ moles of C₂H₆O₂ = mass/Mw = 100 g/(62 g/mol) = 1.613 moles

Now, we need the mass of solvent (H₂O) in kilograms, so we divide the grams into 1000:

200 g x 1 kg/1000 g = 0.2 kg

Finally, we calculate the molality as follows:

m = 1.613 moles of C₂H₆O₂/0.2 kg = 8.06 moles/kg = 8.06 m

The increment in the boiling point will be:

ΔTb = Kb x m = 0.512ºC/m x 8.06 m = 4.13ºC

So, the boiling point of pure water (Tbº=100ºC) will increase in 4.13ºC:

Tb= 100ºC+4.12ºC= 104.13ºC

5 0
3 years ago
What is the equilibrium constant for the reaction<br> SO2(g) + NO2(g) = S03(g) + NO(g)?
aev [14]

Answer:

Keq: [SO3][NO] /[SO2]NO2]

Explanation:

3 0
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