Chemistry Reaction Kinetics :
1- According to HESSES law,therml effects of a reaction depends upon?
a-initial concentration of reactants
b-initial and final concentrations of reacting substances
c-final conditions of the reacting substances
2-when ammonium chloride is dissolved in water,the solution becomes cold.the change is?
3-how much heat is liberated when 100ml of 0.1M NaOH are completely neutralized by 100ml of 0.1 MHCl?
4-BORN HEBER cycle is called
a-complete enthalphy cycle
b-complete energy cycle
c-complete internal energy cycle
d-complete heat cycle
5-the atom X nd Y have the electronic configuration shown below
X. 1s2 2s2 2p6 3s2 3p6 3d10 4s2
Y.1s2 2s2 2p4
which of the following components are they likely to form
6-which of the following moleculeshas zero dipole moment
7-ehich of the hydrogen halides has the highest percentage of ionic character
8-which of the following species has unpaires electrons in antibonding molecular orbital
9-the molecule with largest dipole moment
10-during formation of ionic bond between sodium and chlorine
A- Na attains yhe configuration of Ne
B- Na attains the configuration of Ar
C-Cl attains the configuration of Ne
D- Cl attains the configuration of Na
11-the degree of polarity of molecule is called
12-VESPER theory explains
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