Chemistry Fsc Part 1 Chapter 6 Online Test With Answers

Chemistry Fsc Part 1 Chapter 6 Online Test

Sr. # Questions Answers Choice
1 Standard condition include all except 298 K 0 oC 1 atm 1 M concentration
2 Which of the following is a state function. Heat Enthalpy Work Path
3 The standard enthalpy of formation of elements in their standard state is 0 -1 1 25
4 Enthalpy of neutralization of strong acid an strong base is approximately +57.3 kj/mol -57.3 kj /mol 0 +5.73 kj/mol
5 The change in internal energy is zero is. Isothermal process Adiabatic process Exothermic process Endothermic process
6 Enthalpy change of a process is measured under Constant volume Constant pressure Constant temperature Constant Energy
7 The sign of Delta H during melting is. Negative Positive Zero Can't be predicted
8 When a bond is formed Energy is absorbed Energy is released Delta H is always zero No energy change
9 The system that exchanges heat but not mass Closed Rigid Open Isolated
10 Which law states that enthalpy change is independent of the path taken. Hess's law Boyle's law Avogadr's law Dalto's law
11 The SI unit of enthalpy Calorie eV kj mol-1 J mol-1
12 Delta H for an endothermic reaction is Positive Negative Zero Depends on temperature
13 Which of the following is always negative in an exothermic reaction. Delta H Activation energy Entropy  Delta S
14 Consider a reaction with Delta H > 0 and Delta S<0 this reaction will be Spontaneous at all temperaturres Non spontaneous at all temperature Spontaneous only at high temperatures Spontaneous only atlow temperature
15 The enthalpy change for a reaction depends on. Pathway taken from reactants to products Presence of a catalyst Intitial and final states of the reactants and products Rate of the reaction
16 Which of the followng factors would lead to a greater enthalpy chage of hydration . A larger ionic reduis and a smaller charge A smaller ionic radius and a smaller charge A larger ionic radius and a larger charge A smaller ionic radius and alarger charge
17 Which of the followng quantitites is NOT typically determined using Hess's Law. Enthalpy change of formation  Activation energy Enthalpy chage f combustion Enthalpy chage of reaction 
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