21. A system, which only exchange energy with the surrounding but not matter is, called __________ system.
22. A system which neither exchange energy nor matter with its surrounding is called __________ system.
23. A system is __________ if it contains only one phase.
24. A system is __________ if it contains more than one phase.
25. 1 kilojoule is equal to __________ joules.
26. 1 Calorie is equal to __________ joules.
27. 1 kilo calorie is equal to __________ joules.
28. The work done (w) is mathematically denoted by __________.
29. The change in enthalpy is denoted by __________.
30. __________ law is used in calculating heat of reaction.
31. __________ is defined as the change in enthalpy when one gram mole of a compound is produced from its element.
32. Heat of formation is denoted by __________.
33. When the work is done on the system by the surrounding the sign of work done (w) is __________.
34. When the work is done by the system on surrounding the sign of work done is __________.
35. First law of Thermodynamics is mathematically represented as __________.
36. Standard enthalpies are measured at __________.
37. Hess’s Law is employed to calculate __________ of a chemical reaction.
38. Heat absorbed by the system at constant volume is completely utilize to increase the __________ of the system.
39. Heat change at constant pressure from initial to final state of the system is simply equal to the __________.
40. SI unit of measurement of heat change is __________.
22. A system which neither exchange energy nor matter with its surrounding is called __________ system.
23. A system is __________ if it contains only one phase.
24. A system is __________ if it contains more than one phase.
25. 1 kilojoule is equal to __________ joules.
26. 1 Calorie is equal to __________ joules.
27. 1 kilo calorie is equal to __________ joules.
28. The work done (w) is mathematically denoted by __________.
29. The change in enthalpy is denoted by __________.
30. __________ law is used in calculating heat of reaction.
31. __________ is defined as the change in enthalpy when one gram mole of a compound is produced from its element.
32. Heat of formation is denoted by __________.
33. When the work is done on the system by the surrounding the sign of work done (w) is __________.
34. When the work is done by the system on surrounding the sign of work done is __________.
35. First law of Thermodynamics is mathematically represented as __________.
36. Standard enthalpies are measured at __________.
37. Hess’s Law is employed to calculate __________ of a chemical reaction.
38. Heat absorbed by the system at constant volume is completely utilize to increase the __________ of the system.
39. Heat change at constant pressure from initial to final state of the system is simply equal to the __________.
40. SI unit of measurement of heat change is __________.
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