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4 years ago

Hemos preparado la siguiente disolución 40 g de sal en 250 g de agua. Escribe:

Chemistry

1 answer:

Anestetic [448]4 years ago

5 0

Calcula el Tanta por ciento en peso de soluto

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How many atoms are in 2.5 mole of F

mel-nik [20]

Answer: 1.5 x 10^24

Explanation: Just multiply 2.5 by avagadro's number 6.2 x 10^23 to get the answer.

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3 years ago

Consider the reaction below. Initially the concentration of SO2Cl2 is 0.1000 M. Solve for the equilibrium concentration of SO2Cl

tensa zangetsu [6.8K]

Answer:

$[SO_2Cl_2] = 0.09983 M$

Explanation:

Write the balance chemical equation ,

$SO_2Cl_2((g) = SO_2(g) + Cl_2(g)$

initial concenration of $SO_2Cl_2((g) =0.1M$

lets assume that degree of dissociation= $\alpha$

concenration of each component at equilibrium:

$[SO_2Cl_2] = 0.1-0.1\alpha$

$[SO_2] = 0.1\alpha$

$[Cl_2] = 0.1\alpha$

$Kc =\frac{0.1\alpha \times 0.1\alpha}{0.1-0.1\alpha}$

$Kc =\frac{0.1\alpha \times \alpha}{1-\alpha}$

as $\alpha$ is very small then we can neglect $1-\alpha$

therefore ,

$Kc ={0.1\alpha \times \alpha}$

$\alpha =\sqrt{\frac{Kc}{0.1}}$

$\alpha = 1.73 \times 10^{-3}$

Eqilibrium concenration of $[SO_2Cl_2] = 0.1-0.1\alpha = 0.1-0.1\times 0.00173$

$[SO_2Cl_2] = 0.09983 M$

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3 years ago

High levels of cholesterol can first lead directly to __________.

Marta_Voda [28]

B) arteriosclerosis

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3 years ago

Read 2 more answers

What is a relief in relation to topography ?

aev [14]

Answer:

Relief is typically defined as the difference in height between the high point and the low point on a landscape, in feet or in meters.

Explanation:

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3 years ago

Please?????????? ????

natka813 [3]

The causes of mass extinction
As there might be marks on fossils showing the suffering that happened to it!

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3 years ago