|
Although geometries of ${ NH }_{ 3 }$ and $H _{ 2 }O$
|
|
1
|
864
|
December 21, 2016
|
|
Explain the shape of ${ BrF }_{ 5 }$
|
|
0
|
806
|
December 21, 2016
|
|
What do you understand by bond pairs and lone pairs of electrons?
|
|
1
|
4103
|
December 21, 2016
|
|
Which of the following has larger bond angle in each pair?
|
|
1
|
1097
|
December 21, 2016
|
|
Draw the Lewis structures for the following molecule and ions
|
|
1
|
843
|
December 21, 2016
|
|
Define octet rule
|
|
0
|
1514
|
December 21, 2016
|
|
Write the significance of dipole moment
|
|
0
|
14249
|
December 21, 2016
|
|
Define electronegativity
|
|
1
|
3164
|
December 21, 2016
|
|
Give reasons for the following :Ethyne molecule is linear
|
|
1
|
9355
|
December 21, 2016
|
|
Use Lewis symbols to show electron transfer between
|
|
1
|
3300
|
December 21, 2016
|
|
Give reason for the following questions below
|
|
1
|
1876
|
December 21, 2016
|
|
Which is more polar
|
|
1
|
763
|
December 21, 2016
|
|
Arrange the bonds in order of increasing ionic character in the molecules
|
|
1
|
1310
|
December 21, 2016
|
|
Arrange the following bonds in order of increasing ionic character
|
|
1
|
4562
|
December 21, 2016
|
|
Write the Lewis structure for the following atoms and ions
|
|
1
|
1303
|
December 21, 2016
|
|
Write Lewis dot symbols for atoms of the following elements
|
|
1
|
3067
|
December 21, 2016
|
|
Sodium carbonate, $Na_{2}CO_{3}$ can be obtained
|
|
1
|
1366
|
December 21, 2016
|
|
Represent the potential energy/enthalpy change
|
|
1
|
1122
|
December 21, 2016
|
|
At what temperature will the reaction become spontaneous
|
|
1
|
5729
|
December 21, 2016
|
|
For an isolated system, ∆U = 0, what will be ∆5?
|
|
0
|
8758
|
December 21, 2016
|
|
Calculate the entropy change in surroundings
|
|
1
|
1081
|
December 21, 2016
|
|
A cylinder of gas supplied by a company is assumed to contain 14 kg
|
|
1
|
5859
|
December 21, 2016
|
|
N athlete is given 100 g of glucose of energy equivalent to 1560 kJ
|
|
1
|
2368
|
December 21, 2016
|
|
Use these data to estimate the magnitude of the resonance energy
|
|
1
|
3792
|
December 21, 2016
|
|
Sing the data (all values are in kilocalories per mole at 25° C)
|
|
1
|
1457
|
December 21, 2016
|
|
A man takes a diet-equivalent to 10000 kJ per day and does work
|
|
1
|
3005
|
December 21, 2016
|
|
Give the appropriate reason
|
|
1
|
1650
|
December 21, 2016
|
|
Calculate the standard enthalpy of formation
|
|
1
|
2445
|
December 21, 2016
|
|
The net enthalpy change of a reaction is the energy
|
|
1
|
916
|
December 21, 2016
|
|
An average healthy man needs about 10000 kJ of energy per day
|
|
1
|
2782
|
December 21, 2016
|