1. The branch of Chemistry, which deals with the heat changes that take place during chemical reaction, is called __________.
2. The branch of science which deals with energy changes accompanying physical and chemical transformation is called __________.
3. The amount of heat evolved or absorbed in a chemical reaction is called __________.
4. Such reactions in which heat is evolved are called __________ reactions.
5. Such reactions in which heat is absorbed are called __________ reactions.
6. In exothermic reactions, heat evolved is given by __________ sign of DH.
7. In endothermic reactions heat absorbed is given by __________ sign of DH.
8. The total heat change in a reaction is the same whether it takes place in one or several steps.
9. The first law of thermodynamics is also known as __________.
10. The part of universe under observation is called __________.
11. The system plus its surrounding is called __________.
12. Such properties, which give description of a system at a particular moment, is called __________.
13. The term E + PV is called __________.
14. DH represents change in __________.
15. The temperature of water is raised up when sulphuric acid is added to it. This is an __________ reaction.
16. The characteristic properties of a system which is independent of amount of material concerned is called __________ properties.
17. The characteristic properties of a system which depend on amount of substance present in it is called __________ properties.
18. Density, pressure and temperature are the examples of __________ properties.
19. Mole numbers and enthalpy are the examples of __________ properties.
20. A system, which exchange both energy and matter with its surrounding, is called __________ system.
2. The branch of science which deals with energy changes accompanying physical and chemical transformation is called __________.
3. The amount of heat evolved or absorbed in a chemical reaction is called __________.
4. Such reactions in which heat is evolved are called __________ reactions.
5. Such reactions in which heat is absorbed are called __________ reactions.
6. In exothermic reactions, heat evolved is given by __________ sign of DH.
7. In endothermic reactions heat absorbed is given by __________ sign of DH.
8. The total heat change in a reaction is the same whether it takes place in one or several steps.
9. The first law of thermodynamics is also known as __________.
10. The part of universe under observation is called __________.
11. The system plus its surrounding is called __________.
12. Such properties, which give description of a system at a particular moment, is called __________.
13. The term E + PV is called __________.
14. DH represents change in __________.
15. The temperature of water is raised up when sulphuric acid is added to it. This is an __________ reaction.
16. The characteristic properties of a system which is independent of amount of material concerned is called __________ properties.
17. The characteristic properties of a system which depend on amount of substance present in it is called __________ properties.
18. Density, pressure and temperature are the examples of __________ properties.
19. Mole numbers and enthalpy are the examples of __________ properties.
20. A system, which exchange both energy and matter with its surrounding, is called __________ system.
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