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vovikov84 [41]
2 years ago
10

AICI3(s)+Ca 3N2(s)-AIN(S)+CaCl2(s)

Chemistry
1 answer:
disa [49]2 years ago
8 0

Answer:

2AlCl3 + Ca3N2 - 2AlN+ 3CaCl2

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When 0.50 L of a 12 M solution is diluted to 1.0 L, what is the resulting molarity?
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Answer:

The resulting molarity is 6M.

Explanation:

A dilution consists of the decrease of concentration of a substance in a solution (the higher the volume of the solvent, the lower the concentration).

We use the formula for dilutions:

C1 x V1 = C2 x V2

12 M x 0,5L = C2 x 1,0 L

C2= (12 M x 0,5 L)/1,0 L

<em>C2= 6 M</em>

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Explanation:

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When the pressure and number of particles are kept constant for a sample of gas, which of the following is also constant for the
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3 years ago
Consider the following reaction at constant pressure. Use the information provided below to determine the value of ΔS at 473 K.
Elis [28]

Answer:

The reaction will be spontaneous

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\Delta G= \Delta H - T * \Delta S

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Calculating the \Delta G= -1267 - 473 K* \Delta S :

\Delta G= -1267 - 473 K* \Delta S

Now, other factor we need to determine is the sign of the S variation. When talking about gases, the more moles you have in your system the more enthropic it is.

In this reaction you go from 7 moles to 8 moles of gas, so you can say that you are going from one enthropy to another higher than the first one. This results in: \Delta S>0[/tex}Back to this expression: [tex]\Delta G= -1267 - 473 K* \Delta S

If the variation of S is positive, the Gibbs's energy will be negative always and the reaction will be spontaneous.

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