A balloon is filled with hydrogen at room temperature

Asked by admin @ 10/08/2021 in Chemistry viewed by 307 People

A balloon is filled with hydrogen at room temperature. It will burst if the pressure exceeds 0.2 bar .at 1bar pressure if the gas occupies 2.27 litre volume ,upto what volume can the balloon be expanded

Answered by admin @ 10/08/2021

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A weather balloon filled with hydrogen at 1 atm

Asked by admin @ 23/08/2021 in Chemistry viewed by 291 persons

A weather balloon filled with hydrogen at 1 atm and 27°C has volume equal to 12000 litres. On ascending it reaches a place where temperature is - 23°C andpressure …

Why is helium preferred to hydrogen for filling balloons

Asked by admin @ 23/08/2021 in Chemistry viewed by 333 persons

Why is helium preferred to hydrogen for filling balloons?

Ordinary hydrogen at room temperature is a mixture of

Asked by admin @ 12/08/2021 in Chemistry viewed by 285 persons

Ordinary hydrogen at room temperature is a mixture of: U75% orthohydrogen + 25% parahydrogen25% orthohydrogen + 75% parahydrogen50% orthohydrogen + 50% parahydrogen1% orthohydrogen + 99% parahydrogen

At room temperature biuret reagent should react with protein within

Asked by admin @ 22/11/2021 in Chemistry viewed by 273 persons

What is indicated by Benedict's solution changing from blue to orange when heated? A.the presence of lipids or fats B.the presence of proteins or peptide bonds C.the presence of starches …

How many balloons can a 12 inch helium tank fill

Asked by admin @ 28/10/2021 in Chemistry viewed by 335 persons

How many 3-liter balloons could the 12-L helium tank pressurized to 160 atm fill? Keep in mind that an "exhausted" helium tank is not empty. In other words, once the …

A metal that is liquid at room temperature

Asked by admin @ 29/08/2021 in Science viewed by 323 persons

Name a metal which is liquid at room temperature

Why water at room temperature is a liquid

Asked by admin @ 29/08/2021 in Chemistry viewed by 406 persons

Give two reasons to justify— (a) water at room temperature is a liquid. (b) an iron almirah is a solid at room temperature.NCERT Class 9th Science Ch 1 Matter in …

Why is nitrogen less reactive at room temperature

Asked by admin @ 29/08/2021 in Chemistry viewed by 298 persons

Nitrogen is less reactive at room temperature give reason

A metal which is liquid at room temperature

Asked by admin @ 24/08/2021 in Science viewed by 318 persons

Name a metal which is liquid at room temperature

The metal which is liquid at room temperature

Asked by admin @ 24/08/2021 in Science viewed by 311 persons

Name a metal which is liquid at room temperature

The minimum audible wavelength at room temperature is about

Asked by admin @ 20/08/2021 in Physics viewed by 322 persons

The minimum audible wavelength at room temperature

Example of metal which is liquid at room temperature

Asked by admin @ 20/08/2021 in Science viewed by 302 persons

give example of a metal which (A) is liquid at room temperature(B) can be easily cut with knife (C)is the best conductor of heat (D)is the poorest conductor of heat