one more in chem

something is definitelly too wrong or too right today

2 questions in chem that too same topic [4]
plz help guyz and galz

Q) Three moles of an ideal gas (Cv = 12.5 JK-1mol-1) are at 300K and 5dm3. If the gas is heated to 320 K and the volume changed to 10dm3, calculate the entropy change .

[7][7]

21 Answers

1
Philip Calvert ·

[7][7][7] [2][2][2] plz help people...

the process is not adiabatic or isothermal or isobaric so wat to do...

1
Philip Calvert ·

yes nice.. thanx again [1]

24
eureka123 ·

this is general formula.............conditions dalo aur expression change ho jayega.............[1][1]

1
Philip Calvert ·

hmmmm.....
ok thanks a lot

24
eureka123 ·

wow exactly in 3 min........[1]

24
eureka123 ·

24
eureka123 ·

ok.......give me 2-3 min...[1]

1
Philip Calvert ·

plz do it if it is not too long..

24
eureka123 ·

should i derive it for u??????
use first law for reversible expansioin.......

i can do it if u say.......it would take a minute for me to think about that.......[1]

1
Philip Calvert ·

any background abt the formula eureka or any comments you'd like to make

24
eureka123 ·

sory i didnt see this post before.....otherewise reply would have come lot before................

its easy if u know the formula..

1
Philip Calvert ·

sorry but no. :(
:)

1
mkagenius ·

GUYS HOW DID U PROCEED...?

1
°ღ•๓яυΠ·

wat late? i guess ma ansewr is rite

1
Philip Calvert ·

no even i got this one [2] btw its getting late dont you think

1
°ღ•๓яυΠ·

is it 4.029

11
Subash ·

then [2]

1
Philip Calvert ·

entropy is in syllabus

11
Subash ·

[3]

[3]

ive replied in chem for the first time i think

11
Subash ·

is this in the syll philip have u checked

1
Philip Calvert ·

well !! i really need help in this one...

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