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ICSE Class 9 Answered

What is absolute zero and absolute (Kelvin) scale?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer
The lowest possible temperature at which a gas has theoretical volume of zero i.e. -273oC is referred to as Absolute Zero.
A temperature scale, with absolute zero as the starting point is called the Absolute scale.
Answered by | 04 Jun, 2014, 03:23: PM

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ICSE 9 - Chemistry
A container containing hydrogen gas is heated such that its volume increases by 40% and  pressure decreases to 80% of its original value. If the original temperature was – 130C,  calculate the temperature to which the gas was heated.
Asked by zainaali39692 | 04 Dec, 2020, 08:53: AM
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ICSE 9 - Chemistry
A gas occupies a volume of 340 CC at STP find its volume at 20 degrees celsius and 700 mm of HG
Asked by gup.navya2006 | 01 Dec, 2020, 09:28: AM
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ICSE 9 - Chemistry
100cm3 of a gas at 27°c is cooled to 20°c at constant pressure .calculate volume of a gas at 20°c
Asked by Vishusingh2020.2021 | 25 Sep, 2020, 10:09: PM
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ICSE 9 - Chemistry
A vessel of capacity 600 cm cube contains hydrogen gas at a pressure of 304 cm what will be the pressure of hydrogen gas when the vessel is connected to another vessel of 300 cm cube capacity
Asked by sudesghnapattanayak2017 | 19 May, 2020, 08:13: PM
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ICSE 9 - Chemistry
It is found, on heating a gas, its volume increases by 50% and pressure decreases to 60% of its original value. If the original temperature was -15 degree celcius, find the temperature to which it was heated in celcius
Asked by abeshchakraborty6 | 23 Feb, 2020, 08:54: AM
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ICSE 9 - Chemistry
At constant temperature, a gas is at a pressure of 1080 mm Hg. If the volume is decreased by 40%, find the new pressure of gas
Asked by dnlwalkers | 08 Jan, 2020, 09:57: AM
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ICSE 9 - Chemistry
a gas occupies 200 cm3 at 27 degree celsius. what is its volume at 51 degree celsius , the pressure being kept constant?
Asked by raichuratanvi | 14 Dec, 2019, 12:02: PM
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ICSE 9 - Chemistry
Ammonia gas occupies volume of 450ml at a pressure of 720mm of HG what volume will it occupies at standard pressure at the same temperature
Asked by merajanjum87 | 21 Nov, 2019, 09:53: PM
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ICSE 9 - Chemistry
A gas x occupies a volume of 200ml at a pressure of 4 atmospheres. If the temperature remains constant what volume will it occupy at 1atmospheric pressure
Asked by parvathimanjunath24 | 31 Oct, 2019, 09:34: PM
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ICSE 9 - Chemistry
I didn’t understood v vs 1/p graph
Asked by devbhaisha.tl | 21 Sep, 2019, 10:02: PM
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