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natali 33 [55]
3 years ago
11

Select the correct structure that

Chemistry
1 answer:
Leni [432]3 years ago
8 0

Answer:

Explanation:

its b

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Consider the following system at equilibrium where H° = 16.1 kJ, and Kc = 6.50×10-3, at 298 K. 2NOBr(g) 2NO(g) + Br2(g)If the VO
Norma-Jean [14]

Answer:

1) The value of Kc : (C.) remains the same

2) The value of Qc : (A.) is greater than Kc

3) The reaction must : (B.) run in the reverse direction to reestablish equilibrium.

4) The number of moles of Br2 will : (B.) decrease

Explanation:

Value of concentration equilibrium constant Kc depends only on temperature. Since temperature remains constant, therefore, Kc remains constant.  Decrease in volume means increase in pressure. Increase in pressure favors the side with less gaseous species.  Hence, increase in pressure will favor the reverse reaction towards reactants.

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Name the organic molecule
tekilochka [14]

Answer:

hydrocarbons are the answer

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Which one of the following characteristics indicates the presence of weak intermolecular forces in a liquid?A) none of the above
grin007 [14]

Answer:

C) a low heat of vaporization.

Explanation:

It is C) a low heat of vaporization.

Low heat of vaporization means less amount of energy is required to vaporize a liquid. This further means the liquid has weaker intermolecular force of attraction that is why on provide lesser heat only it vaporizes.

Low vapor pressure, high boiling point and high critical temp. all contribute to strong intermolecular forces in a liquid

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What is ppm?
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Answer:

What does ppm mean? This is an abbreviation for "parts per million" and it also can be expressed as milligrams per liter (mg/L). This measurement is the mass of a chemical or contaminate per unit volume of water. Seeing ppm or mg/L on a lab report means the same thing.

that is all i have to say.

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ROY G BIV is associated with this type of electromagnetic radiation:
Burka [1]
ROY G BIV is associated with this type of electromagnetic radiation <span>B. visible light.

</span>ROY G BIV - red , orange, yellow, green, blue, indigo, violet.
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