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3 years ago

whick of the following states of matter is characterized by having definite shape a)liquid b)gas c)solid d)plasma

Chemistry

2 answers:

mylen [45]3 years ago

7 0

Answer:

The correct answer is c)solid. See the explanation below, please.

Explanation:

Solid state substances have a specific shape and volume, are incompressible, the particles are ordered and together.

zavuch27 [327]3 years ago

5 0

Answer:

c) A solid has a definite shape

Explanation:

Only solids have definite shape. Liquids acquire the shape of the container and gases have molecules that move randomly .Gases turn into plasma when

heat energy is added to it.

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has a standard free‑energy change of − 3.59 kJ / mol at 25 °C. What are the concentrations of A , B , and C at equilibrium if, a

Mamont248 [21]

Answer: The concentrations of A , B , and C at equilibrium are 0.1583 M, 0.2583 M, and 0.1417 M.

Explanation:

The reaction equation is as follows.

$A + B \rightarrow C$

Initial : 0.3 0.4 0

Change: -x -x x

Equilbm: (0.3 - x) (0.4 - x) x

We know that, relation between standard free energy and equilibrium constant is as follows.

$\Delta G = -RT ln K$

Putting the given values into the above formula as follows.

$\Delta G = -RT ln K$

$-3.59 kJ/mol = -8.314 \times 10^{-3} kJ/mol K ln (\frac{x}{(0.3 - x)(0.4 - x)})$

x = 0.1417

Hence, at equilibrium

[A] = 0.3 - 0.1417

= 0.1583 M

[B] = 0.4 - 0.1417

= 0.2583 M

[C] = 0.1417 M

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3 years ago

Rina8888 [55]

B mass but not of charge

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2 years ago