constant heat summation वाक्य
"constant heat summation" हिंदी में constant heat summation in a sentenceउदाहरण वाक्य
- "' Hess's law of constant heat summation "', also known as "'Hess's law "'( or Hess'law ), is a relationship in physical chemistry named after Swiss-born Russian chemist and physician who published it in 1840.