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Natali [406]
4 years ago
6

Given each pair, complete the sentences to determine which member of each has the stronger intermolecular dispersion forces.

Chemistry
1 answer:
evablogger [386]4 years ago
3 0

Answer:

CH3CH2CH2Cl

CH3CH2CH2CH2CH2SH

Br2

Explanation:

Dispersion forces increases with increase in relative molecular mass. The specie having the greater relative molecular mass definitely has greater dispersion forces. A rough estimation of the relative molecular masses of the species stated in the answer will reveal this fact.

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What is the coefficient for O2 when the following equation is correctly balanced with the smallest integer coefficient? -As2S3+-
Nataliya [291]

Answer:

The coefficient of O2 in the correctly balanced equation is 9

Explanation:

As2S3 + 02 -------------> As2O3 + SO2

Balancing this reaction, we have;

2As2S3 + 9O2 -----------> 2As2O3 + 6SO2

9 moles of oxygen will be the correct coefficient and number of moles for the reaction to be correctly balanced.

In the balanced reaction, we have 4 moles of As; 6 moles of S and 18 moles of O on both sides of the equation.

8 0
3 years ago
2KOH + H2SO4 → K2SO4 + 2H20
mars1129 [50]

19.6 × ( 1 mol KOH / 56 grams KOH )

= 0.35 mol KOH

_________________________________

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0.35 mol H2O × ( 18 g H2O / 1 mol H2O )

= 6.3 grams H2O

6 0
3 years ago
Qué concentración en % m/m tendrá una solución preparada con 20 g de NaCl (cloruro de sodio, sal común) y 200 g de agua?
alexgriva [62]

Answer:

\%m/m = 10\,\%

Explanation:

El porcentaje masa a masa de la solución se obtiene al dividir la masa del cloruro de sodio por la masa del agua (The mass-mass percentage of solution is obtained by dividing the mass of sodium chloride by the mass of water):

\%m/m = \frac{20\,g}{200\,g}\times 100\,\%

\%m/m = 10\,\%

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Answer:

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Explanation:

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