[Solved] Density of a gas is found to be 5.46 dm3 at 27 ∘C at 2 bar pressure. What will be its density at STP? - Chemistry Part-I

Name: Video solution 1: [Solved] Density of a gas is found to be 5.46 dm3 at 27 ∘C at 2 bar pressure. What will be its density at STP? - Chemistry Part-I
Uploaded: 2022-10-10T16:22:20.000Z
Duration: 20 min
Description: Video solution 1: [Solved] Density of a gas is found to be 5.46 dm3 at 27 ∘C at 2 bar pressure. What will be its density at STP? - Chemistry Part-I

The expression for density is d=RTPM.For a given gas, R and M are constant.d∝P/Td′=PT′dP′T= 2×2735.46×1×300=3.0 g dm−3

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Chemistry Part-I

States of Matter

Density of a gas is found to be 5.46 dm ^{3} at 27 ^{}C at 2

Chemistry Part-I

Class 11

NCERT

Chapter 1: Some Basic Concepts of Chemistry

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Chapter 2: Structure of Atom

85 questions

Chapter 3: Classification of Elements and Periodicity in Properties

50 questions

Chapter 4: Chemical Bonding and Molecular Structure

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Chapter 5: States of Matter

28 questions

What will be the pressure of the gaseous mixture when 0.5 L of H

_{2}

at 0.8 bar and 2.0 L of dioxygen at 0.7 bar are introduced in a 1L vessel at 27

^{\circ} C

Density of a gas is found to be 5.46 dm

^{3}

at 27

^{\circ} C

at 2 bar pressure. What will be its density at STP?

A student forgot to add the reaction mixture to the round bottomed flask at

27^{o} C

but instead he/she placed the flask on the flame. After a lapse of time, he realized his mistake, and using a pyrometer he found the temperature of the flask was

477^{o} C

. What fraction of air would have been expelled out?

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Chapter 6: Thermodynamics and Thermochemistry

36 questions

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101 questions

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Solving time: 3 mins

Density of a gas is found to be 5.46 dm $^{3}$ at 27 $^{\circ} C$ at 2 bar pressure. What will be its density at STP?

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Updated on: Nov 2, 2022

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Chemistry Part-I (NCERT)

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Density of a gas is found to be 5.46 dm

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at 2 bar pressure. What will be its density at STP?

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Text solutionVerified

The expression for density is

d = \frac{PM}{RT}

For a given gas, R and M are constant.

d \propto P / T

d^{'} = \frac{d P ^{'} T}{P T ^{'}} = \frac{5.46 \times 1 \times 300}{2 \times 273} = 3.0 g d m^{- 3}

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Practice more questions from Chemistry Part-I (NCERT)

What will be the pressure of the gaseous mixture when 0.5 L of H

_{2}

at 0.8 bar and 2.0 L of dioxygen at 0.7 bar are introduced in a 1L vessel at 27

^{\circ} C

Density of a gas is found to be 5.46 dm

^{3}

at 27

^{\circ} C

at 2 bar pressure. What will be its density at STP?

A student forgot to add the reaction mixture to the round bottomed flask at

27^{o} C

but instead he/she placed the flask on the flame. After a lapse of time, he realized his mistake, and using a pyrometer he found the temperature of the flask was

477^{o} C

. What fraction of air would have been expelled out?

View all

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Question Text	Density of a gas is found to be 5.46 dm $^{3}$ at 27 $^{\circ} C$ at 2 bar pressure. What will be its density at STP?
Updated On	Nov 2, 2022
Topic	States of Matter
Subject	Chemistry
Class	Class 11
Answer Type	Text solution:1 Video solution: 2
Upvotes	156
Avg. Video Duration	15 min

Density of a gas is found to be 5.46 dm $^{3}$ at 27 $^{\circ} C$ at 2 bar pressure. What will be its density at STP?

Text solutionVerified

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Density of a gas is found to be 5.46 dm3 at 27 ∘C at 2 bar pressure. What will be its density at STP?

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Density of a gas is found to be 5.46 dm $^{3}$ at 27 $^{\circ} C$ at 2 bar pressure. What will be its density at STP?