1 Answers
Talk Doctor Online in Bissoy App
Ram Janma Bhomi Rath Yatra was conducted by
B) L.K. Advani
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What is thermal expansion? List types of thermal expansion.
1. A change in the temperature of a body causes change in its dimensions. 2. The increase in the dimensions of a body due to an increase in its temperature is...
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Do coefficient of areal expansion and coefficient of volume expansion depend upon nature of material?
Yes, coefficient of areal expansion and coefficient of volume expansion depend upon nature of material.
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In the gas equation, PV = RT, V stands for volume of (A) any amount of gas . (B) one gram mole of gas.
Correct option is: (B) one gram mole of gas.
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char ch; cout<< Enter a character; cin>>ch; Consider the above code, a user gives 9 to the variable ‘ch’. Is there any problem? Is it valid?
There is no problem and it is valid since 9 is a character. Any symbol from the key board is treated as a character.
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Given `C+2S rarr CS_(2), DeltaHf^(@)=+117.0 kJ mol^(-1)` `C+O_(2) rarr CO_(2), DeltaHf^(@)=-393.0 kJ mol^(-1)` `S+O_(2) rarr SO_(2), DeltaHf^(@)=-297.
Correct Answer - B `DeltaH=H_(P)-H_(R)`
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The workdone in ergs for the reversible expansion of one mole of an ideal gas from a volume of 10 litres to 20 litres at `25^(@)C` is
Correct Answer - B `W=-2.303 nRT "log" V_(2)/V_(1)`
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`C_(p)-C_(v) =R` and ideal gas `((deltaU)/(deltaV))_(T) =0` for an ideal gas .
Correct Answer - These are facts .
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For an isothermal and reversible expansion of 0.5 mol of an ideal gas, Wmax is -3.918 kJ. The value of ΔU is :
Option : (b) zero
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`22.4 L C_(2)H_(6)` gas at `0^(@) C` 1 atm is burnt in excess of `O_(2)` gas. The products are passed through 5 L of 2 M KOH solution. The maximum mol
Correct Answer - `0002`
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