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the number of independent directions in which a system or gas molecule can have motion are called as the number of degrees of freedom of that
cyclic or closed-chain compounds cyclic compounds consist of at least one ring or closed chain of atoms the compounds along with just only one ring
molecular formula of gaseous hydrocarbons eudiometryeudiometry is a direct method for calculation of molecular formula of gaseous
in an adiabatic process the body neither absorbs heat nor does it refuse energy ie in this phenomena there is no heat exchange delta q 0thus
a thermodynamic process in which the volume of gas always same is known as isochoric process in this process the work completed by the body is
when a system returns back to its initial state after passing by dissimilar phase the phenomena is said to be a cyclic process in this process as
molecular formulamolecular formula of a substance provides the actual number of atoms that present in one molecule of the substancemolecular formula
first law of thermodynamics is stand on the principle of the conservation of power according to the first lawdeltaq w deltau
empirical formulaempirical formula of a substance provides the simplest whole number ratio among the atoms of the various elements exist in one
calculation of empirical formulathe steps included in the calculation are as followsa divide the percentage of each element by its atomic volume
heat is the energy that is operated because of differences in temperature among the body and the surrounding the unit of heat energy is joulethe
the temperature of a body is measured indirectly by making use of the fact that certain physical property of a substance changes linearly with the
i open system - here the system boundary is like energy and matter can enter or leave the system freely infect the system boundary here is
normal 0 false false false en-in x-none x-none microsoftinternetexplorer4
all the given four laws may be written in one relation pv nrt mn rt this formula is known as deal gas equationwhere m mass of the
it is explaining that at similar temperature and pressure equivalent volumes of all gases contain similar number of
depression in freezing point - physical methods for non-volatile substances mol mass 1000 kf w w deltatwhere kf stands for molal depression
elevation in boiling point mol mass 1000 kb w w deltat in which kb stands for molal elevation constant of the solventw stands for mass of the
the ideal gas approximation the given assumptions are suppose while defining an ideal gasi the number of molecules in the gas is very hugeii the
physical methods for non-volatile substances the non-volatile organic compounds molecular mass can be ascertained by noting either the elevation in
hofmann method - determination of molecular massthe method is applied to those substances that are not stable at their boiling points but that may be
determination of molecular mass - victor meyer methodmolecular mass of volatile liquids and solids that can be easily ascertained from the
quantitative analysis - estimation of elements after qualitative analysis of elements the another step in the determination of molecular formula of
method for detection of elements - oxygenthere is no any type of satisfactory qualitative method for the detection of oxygen though its presence can
although conduction does occur in liquids and gases also heat is transmitting in these media mostly by convection in that phenomenon the real motion