q =nrt ln p1÷p2 부피로는 역수지 않습니까
nrt는 쉬운데 부피 변화가 없거나 하면 자연로그 1넣어야하는거 같은데 
첫번째 문제 3번도 등체적 이라길래 부피가 같구나 해서 1넣는데 답이 아니더라구요 뭘 넣어야하는지 모르겠어요
 두번째 문제는 a까진 되는데 b부터는 cv값도 모르겠고 엔트로피 구할때 ln뒤에 뭐넣는지 모르겠고 3넣었더니 아니더라구요 ㅠ 도와주소서...