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Setler79 [48]
3 years ago
11

Which option is an example of a chemical property?

Chemistry
2 answers:
bulgar [2K]3 years ago
7 0
Reactivity
Hope it helps!
alexandr1967 [171]3 years ago
7 0

Answer: Option (3) is the correct answer.

Explanation:

A property which does not bring any change in the chemical composition of a substance is known as physical property.

For example, shape, size, mass, volume, density, boiling point, melting point etc of a substance are all physical properties.

Whereas a property which changes the chemical composition of a substance is known as chemical property.

For example, precipitation, reactivity, toxicity etc are chemical property.

Thus, we can conclude that out of the given options reactivity is an example of a chemical property.

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2) Find the volume that 2.0 moles of H2 will occupy at STP?
Rom4ik [11]

Answer:

V = 44.85 L

Explanation:

Given data:

Volume of H₂ = ?

Number of moles of H₂ = 2.0 mol

Given temperature = 273.15 K

Given pressure = 1 atm

Solution:

Formula:

PV = nRT

P = Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

By putting values,

1 atm × V = 2.0 mol × 0.0821 atm.L/ mol.K  × 273.15 K

V = 44.85 atm.L / 1 atm

V = 44.85 L

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vampirchik [111]

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BRAINLIEST AWARD PLZ HELP :)
Vera_Pavlovna [14]
Properties of metals:
High melting points
High density
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Malleable
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I think if you added a proton you would have chlorine.


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Read 2 more answers
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xxTIMURxx [149]

According to Charles' Law the volume of an ideal gas is directly proportional to its absolute temperature in Kelvin keeping the pressure constant.

V∝ T, P  is constant  

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\frac{V1}{T1 } = \frac{V2}{T2}

where V₁, T₁, V₂ and T₂ are initial volume, initial temperature, final volume and final temperature.  

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