Are babies producers or consumers or none? What about rocks? Are they producers or consumers?

Chemistry

1 answer:

Allushta [10]2 years ago

8 0

Answer:

ummm according 2 me babies are consumers and rocks are also consumers

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Por qué razón se fomenta la inmigración Europea?

Morgarella [4.7K]

Hola aquí va la respuesta!

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2 years ago

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The boiling point of an aqueous 1.83 m (nh4)2so4 (molar mass = 132.15 g/mol) solution is 102.5°c. determine the value of the van

Goshia [24]

We need to know the value of van't hoff factor.

The van't hoff factor is: 2.66 or 2.7 (approximately)

(NH₄)₂SO₄ is an ionic compound, so it dissociates in solution and produces 3 ionic species. Therefore van't hoff factor is more than one.

From the equation: Δ $T_{b}$ =i $K_{b}$ .m, where Δ $T_{b}$ = elevation of boiling point=102.5 - 100=2.5°C.

m=molality of solute=1.83 m (Given)

$K_{b}$ = Ebullioscopic constant or Boiling point elevation constant= 0.512°C/m (Given)

i= Van't Hoff factor

So, 2.5= i X 0.512 X 1.83

i= $\frac{2.5}{0.512 X 1.83}$

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3 years ago

200.0 mL OF A 5.10 M solution are diluted to 500.0 mL. What is the concentration of the resulting solution? *

erastova [34]

Answer:

Concentration of the resulting solution = 2.04 M

Explanation:

Data:

M1 = 5.10 M

V1 = 200.0 mL

V2 = 500.0 mL

M2 = ?

By modifying the volume of solution, keeping the amount of solute constant, the concentration changes. To perform the calculations, the equation will be:

$M1*V1=M2*V2$

Where M1 is the initial concentration of the solution, M2 the final concentration and V is the value of the volumes of the initial and final solution.

Clearing the value of M2 from the equation and replacing the values we have:

$M2=\frac{M1*V1}{V2} =\frac{5.10M*200mL}{500mL} =2.04M$