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Novay_Z [31]
2 years ago
8

Which of the following correctly describes a compound? (4 points) a The atoms are chemically bonded together, and they retain th

eir individual physical and chemical properties. b The atoms are not chemically bonded, and there is no set ratio for how the atoms can combine together. c The atoms can only combine in fixed ratios, and they can only be separated by a chemical change. d The atoms do not retain their individual chemical properties, and they can be separated by physical means.
Chemistry
1 answer:
stepladder [879]2 years ago
7 0
Yes it’s A thank you for asking!! I knew it from the beginning!
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Consider the reaction below.
Law Incorporation [45]

Answer:

  • <u>First choice: 0.042</u>

Explanation:

Given decomposition reaction:

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Equilibrium constant:

  • K_{eq}=\frac{[PCl_3]^1[Cl_2]^1}{[PCl_5]^1}

Stoichiometric coefficients and powers equal to 1 are not usually shown as they are understood, but I included them in order to shwow you how they intervene in the equilibrium expressions: each concentration is raised to a power equal to the respective stoichiometric coefficient in the equilibrium equation.

So, your calculations are:

K_{eq}=\frac{(0.020M)(0.020M)}{0.0095M}=0.042M

6 0
3 years ago
How many valence electrons does Nitrogen have?​
irinina [24]

Answer:

5 valence electrons

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Explanation:

6 0
2 years ago
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Answer:

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Explanation:

Oxygen is a diatomic molecule because 2 atoms are conisistebof a normal molecule.

5 0
3 years ago
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An experiment produced 0.10 g CO2, with a volume of 0.056 L at STP. If the accepted density of CO2 at STP is 1.96 g/L, what is t
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The density of CO2 getting from experiment is 0.1/0.056 = 1.79 g/L. The percent error of this is (1.96 -1.79)/1.96*100%=8.67%. So the approximate percent error is 8.67%.
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Science pls helppp?!
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Answer:

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2 years ago
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