Chemistry-
General
Easy
Question
The heat of formation of S02 is:
- y + 2x
- 2x + y
- x + y
- 2x/ y
The correct answer is: y + 2x
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One mole of an ideal gas at 300 K is expanded isothermally from an initial volume of 1 litre to 10 litre. The M for this process is: (R = 2 cal K-1 mol-I)
One mole of an ideal gas at 300 K is expanded isothermally from an initial volume of 1 litre to 10 litre. The M for this process is: (R = 2 cal K-1 mol-I)
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In an electrochemical cell, if EO is the emf of the cell involving n mole of electrons, then is
In an electrochemical cell, if EO is the emf of the cell involving n mole of electrons, then is
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Given that = 218 kJ/mol, express the H-H bond energy in kcal/mol
Given that = 218 kJ/mol, express the H-H bond energy in kcal/mol
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The value of is
The value of is
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is equal to
is equal to
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lim is
lim is
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is
is
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If , then x=0
If , then x=0
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A class contains 3 girls and four boys. Every Saturday five students go on a picnic, a different group of students is being sent each week. During the picnic, each girl in the group is given a doll by the accompanying teacher. All possible groups of five have gone once, the total number of dolls the girls have got is:
A class contains 3 girls and four boys. Every Saturday five students go on a picnic, a different group of students is being sent each week. During the picnic, each girl in the group is given a doll by the accompanying teacher. All possible groups of five have gone once, the total number of dolls the girls have got is:
Maths-General