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Chemistry 11 Chapter 7
Thermochemistery
Test 5
1.
Which energy cannot be determined directly?
a) Gibbs free energy
b) None of these
c) Heat energy
d) Lattice energy
2.
Two fundamental way to transfer energy are?
a) Pressure and temprature
b) Heat and work
c) Pressure and volume
d) Heat and volume
3.
In view of BORN-HYBER CYCLE energy change in cyclic process is always?
a) Zero
b) Greater than zero
c) Not specified
d) Less than zero
4.
Total energy of a system is called?
a) Required energy
b) Internal energy
c) Free energy
d) Alloof these
5.
Change in H of a system can be calculated by following relationship?
a) q=m x S x Change in T
b) q= Change in E
c) q=m x v x Change in T
d) q=pv
6.
In measurement of melting point of a liquid,the beaker used will be?
a) Phase
b) Initial condition
c) System
d) Surrounding
7.
Change in enthalpy of a system can be calculated by following relationship?
a) Change in H= Change in E+d
b) Change in H= Change in E-d
c) Change in H= Change in E-PV
d) Change in H= Change in E+ PV
8.
The initial condition of a system is called?
a) Initila state
b) Surrounding
c) Final state
d) System
9.
Mathematical form of first law of thermodynamics is?
a) Change in E=q-v
b) Change in E=q-w
c) Change in E=q-pv
d) Change in E=q+w
10.
Lattice energy can be calculated by means of?
a) State values
b) Energy cycle
c) Surrounding
d) System
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