A. 40.7 KJ/mole
B. 40.7 J/mole
C. 40.7 cal/mole
D. 40.7 Kcal/mole
Related Mcqs:
- The quantity of heat required to convert one mole of liquid into its vapours at its boiling point is called molar heat of__________________?
A. vaporization
B. evaporation
C. crystallization
D. sublimation - The sample of isotopes of an element which needs not to be vaporized in the vaporization chamer_________________?
A. Gas
B. Liquid
C. Volatile solid
D. All - The pressure during the molar heat of fusion is kept________________?
A. 0 atmosphere
B. one atmosphere
C. 2 atmosphere
D. 10 atmosphere - 1 molar solution of glucose in water contains weight of glucose________________?
A. 180g/dm3
B. 170g/dm3
C. 190g/dm3
D. 195g/dm3 - Hydrogen effuses four times more rapidly than volume of an unknown gas molar mass of unknown gas should be_______________?
A. 16 gmol-1
B. 32 gmol-1
C. 48 gmol-1
D. 64 gmol-1 - When sparingly soluble salt is in equilibrium with molar concentration of its oppositely charged ion when the product is called_________________?
A. common ion effect
B. solubility product
C. dissociation constant
D. dissociation constant for an acid - Sum of exponents of molar concentration is called___________________?
A. Order of reaction
B. Molecularity
C. Rate of reaction
D. Average of reaction - The molar mass of an organic acids is determined by____________?
A. Depression of freezing point
B. Volumetric method
C. Victor Meyer’s method
D. Osmosis methodSubmitted by: Muhammad Ali Kunbhar
- A compound is determined to have an emperical formula of C2H6O and a molar mass of 138 g/mole. What is the molecular formula?
A. C2H6O
B. C6H18O3
C. C6H12O6
D. C2H5OSubmitted by: Muhammad Ali Kunbhar
- A substance is analyzed and found to have an emperical formula of CH2 and a molar mass of 56g/mole. What is the molecular formula of the compound?
A. C2H4
B. C3H6
C. C4H8
D. C5H10Submitted by: Muhammad Ali Kunbhar
