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1 if we had only a ruler and a clock as measuring devices how could we measure the density of water2 calculate the
chemistry buildings built to code require a great deal of ventilation which necessitates a delicate air-handling system
calculate the pressure in bar that would be equivalent to the attractive force between the na and cl - ions in a salt
a typical engine alternates between compression and expansion of a gas if during the compression stroke the entropy of
the vibrational partition function for an unknown diatomic molecule at 300 k is 233 find the maximum value of the
the ground state 1s1 h atom has two hyperfine states f 0 and f 1 which correspond to different relative orientations
1 according to the equipartition principle what is the overall energy in j of one mole of water at 1000 k if
as an approximate rule a particular vibrational mode in a molecule will contribute to the equipartition principle
a sample of he ions is prepared at a temperature of 298 k and a density of 20 1010 cm-3 because these are ions
a system and reservoir are in contact with each other he volumes and numbers of particles are constant for both and the
if all the states of an ensemble are equally probable then a 005 mol sample of an ideal gas at ixed energy in a 1000
an isotopically enhanced sample has ndi moles of deuterated hydrogen iodide and nhi moles of common hi at 398 k
1 find the rotational partition function for chloroacetylene gas hcccl at 500 k he rotational constant is b 0186 cm-12
the probability of a linear molecule being in a particular rotational level j depends on the temperature and for j 7 0
the vibrational constant for the non-degenerate inversion or umbrella motion of nh3 is 950cm-1 calculate the
earth is losing its supply of helium by escape from the atmosphere because helium has a high median speed and unlike
imagine a set of three n2 molecules frozen in a crystal so that no rotation or translation can occur but there is
we isolate n moles of an ideal gas with heat capacity cpm and then heat the gas and allow it to expand from a state p1
in adiabatic demagnetization we use a magnetic ield to couple away almost all of the residual energy of a crystal that
two closed rigid water containers with initial temperatures ta and tb are brought into thermal contact at equilibrium
1 find the maximum energy in terms of d of the 3 3 two-dimensional ising model and draw one of the configurations with
derive a formula for the minimum energy in the two-dimensional using model if the interaction energy between each spin
two ideal gases na moles of a and nb moles of b initially occupy distinct volumes va and vb at different temperatures
the following table gives averaged total energies for a series of monte carlo ising model simulations at different
consider the phase diagram for 4hea how many phases are shownb how many triple points are shownc what is the boiling