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klemol [59]
3 years ago
7

Which sentence describes one characteristic of nonmetals? Nonmetals are often brittle solids. Nonmetals are often malleable. Non

metals often conduct electricity. Nonmetals are often ductile.
Chemistry
1 answer:
cricket20 [7]3 years ago
6 0

Answer:

Non metals are brittle solids.

Explanation:

The option A is correct,

Non metals are brittle solids.

It is the property of non metals. They can not be stretched into thin wire if stress is applied non metals brake down.

All other options are incorrect because,

B = Non metals are often malleable

It is the property of metals. Metals can be malleable into think sheets.

C = Non metals often conduct electricity.

It is the property of metals. Metals conduct electricity because of availability of free electrons.

D =  Non metals are often ductile.

It is the property of metals. They can stretched into thin wire.

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Answer:

C is the excess reactant.

Explanation:

Reaction is C + O2 --> CO2

1mol of C required to react with 1mol O2

Therefore 15 - 10 = 5moles of C will be in excess

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3 years ago
5.1169 mol of Ne is held at 0.9148 atm and 911 K. What is the volume of its container in liters?
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By applying the Boyle's equation and substituting our given data the volume of the container was found to be 418.14 Litres

<h3>Boyle's  Law</h3>

Given Data

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  • Pressure = 0.9148 atm
  • Temperature = 911 K

We know that the relationship between pressure and temperature is given as

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Making the volume subject of formula we have

V= nRT/P

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