help me !!

[Tuba noor]

what will be the change in volume of 30m^3 gas if itr temp is reduced 3 times ??



what will be the vol of an air bubble at the surface of water if its vol is 20 dm^3 at bottom where pressure is 3 times the atmospheric pressure ?? ( Po = 1*10^5 Pa)



what will be the sp. heat capacity of a 20g metal at 120degreeC if immered into 50g water at 30degreeC ????
c for water = 4200J/kgK

 

[abdullah jutt]

this is a physics question right so forget it everyone has given their papers why u still asking

 

[Tuba noor]

this is a physics question right so forget it everyone has given their papers why u still asking

i hav not given the paper bcoz im in c2 nd its my choice i can ask