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1
Comprehensive Chemistry XI
Gram molecular mass is also called one gram-molecule of the substance. For
example, molecular mass of ammonia is 17 u. ; therefore, 1 gram-molecule of
NH3 = gram molecular mass of NH3 = 17 g 2 gram-molecule of NH3 = 2 x gram ...
Dr. N . K. Verma, S. K. Khanna, Dr. B. Kapila
2
Goyal’s IIT FOUNDATION COURSE CHEMISTRY: For Class-10
Weight of one gram atom of an element = gram atomic weight of the element 11.2
MOLECULAR WEIGHT, GRAM MOLECULAR WEIGHT AND GRAM-MOLECULE
Molecular Weight of a compound is a ratio of the weight of one molecule of the ...
3
STOICHIOMETRY AND PROCESS CALCULATIONS
A gram-molecule of a compound is the mass in grams of the compound
numerically equal to its molecular weight. Thus one gram-molecule of water is
18.016 g of water. Since an atom of oxygen is 16/12 times heavier than an atom
of carbon, ...
K. V. NARAYANAN, B. LAKSHMIKUTTY, 2006
4
Science and Its History: A Reassessment of the ...
It correlates the volume, pressure and absolute temperature of a gram- molecule
of any given gas, where a gram-molecule is a certain number of molecules, the
number being called after Avogadro or Loschmidt (but hardly ever after both).
5
Iit Foundations - Chemistry Class 10
In chemistry, the mass of any substance irrespective of its state is measured in
terms of gram molecular weight or gram molecule and gram atomic weight or
gram atom. Atomic weight of a substance expressed in grams is called its gram
atomic ...
Thus in the case of hydrochloric acid there was needed as a mean 29.37 gram-
molecules of sodium chloride to extinguish the reaction in one gram-molecule of
sulphuric acid. At this point the solution necessarily contained Na2SO, + (HC1), ...
7
The Historical Development of Quantum Theory
... that the constant factor / had to be proportional to the universal gas constant R,
with a proportionality factor w denoting the ratio of the mass of the molecule to the
mass of a gram-atom (or gram-molecule) of the gas (Boltzmann, 1877).
Jagdish Mehra, Helmut Rechenberg, 2001
8
Thermodynamics and Statistical Mechanics
The normal freezing.point of glycerine is 291° K., and the specific heat of the
liquid at that point is about 200 joules/degree/gram molecule, while that of the
solid is about 120 joules/degree/gram molecule. If the glycerine is kept in the ...
9
Heat Thermodynamics and Statistical Physics: For B.Sc. ...
Each molecule has three degrees of freedom due to translatory motion only.
Energy associated with each degree of freedom : %I<T . Therefore energy
associated with three degrees of freedom = ikr 2 Consider one gram molecule of
a gas.
Brij Lal, N. Subrahmanyam, 2008
10
Physical Chemistry, Experimental and Theoretical: An ...
Heats of formation The heat of formation of a compound is defined as the number
of calories evolved or absorbed when 1 gram-molecule of the compound is
formed from its elements in their normal state, i.e. as they exist at room
temperature.
