Chemistry questions
29404 published questions with worked solutions.
- According to thermodynamics, the universe is defined as __________
- A system, which can exchange mass as well as energy with its surroundings is called as __________
- The real or imaginary surface which separates the system from its surrounding is called as __________
- The property of a system, which depends only on the initial and final states of the system and NOT on the path followed, is known...
- All irreversible processes are __________
- When heat is released during the reaction, it is denoted as __________ and when work is done on system by the surroundings, it is...
- A system absorbs 920 J of heat and does work. The change in internal energy ( U) for the process is 460 J. The work done by the...
- U for a system that does 1000 cal of work on the surroundings when 200 cal of heat are absorbed by system is __________
- 1st law of thermodynamics introduces the concept of __________
- Enthalpy change does NOT equals internal energy change when __________
- Heat exchanged in a chemical reaction at constant temperature and constant pressure is called as __________
- H and U for the reaction, 2S_ (s) + 3O_ 2(g) 2SO_ 3(g) ; are related as __________
- Enthalpy change of reaction does NOT depend on __________
- Born-Haber cycle is used to determine __________
- The enthalpy change for the reaction; H_2O_ (s) H_2O_ (l) is called enthalpy of __________
- Which of the following reactions represents enthalpy of formation of AgCl?
- Thermochemistry is concerned with the study of __________
- The enthalpies of the elements in their standard states are assumed to be __________
- The heat of reaction does NOT depend upon __________
- If _f H(X), _f H(Y), _f H(R) and _f H(S) denote the enthalpies of formation of X, Y, R and S respectively, the enthalpy of...