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define about the ventinga thermally insulated chamber is pumped down to an extremely low pressure at a few point the chamber is vented thus that it
define isochoric cooling and isobaric expansionan ideal gas of total mass and molecular weight mu is isochorically at constant volume cooled to a
take these values into account and comment on the relation between the heat of formation of the gases and the vibrational frequencies
what kind of relation is there between them and the force constants of vibration that you have calculatedthe enthalpies of vaporization of carbon and
calculate the force constant of cf4 and sif4 and compare their relative strengths with each other the heats of formation of cf4 and sif4 are -1222
how many fluorescence photons will really be detected on average by the photo detector during a 10 ms acquisition window if one diic12 molecule is
define about the puncturea dense ideal gas flows out of a small hole in a tire which has a pressure po insidea calculate the velocity of gas outside
what is the excitation power that has been usedthe absorption cross section is a significant parameter for the calculation of the expected
calculate the molar concentration of the solution essential to obtain the value of 10 molecules per microm2 for this calculation we suppose that the
define adiabatic atmospheres boston marylandthe lower 10-15 km of the troposphere the atmosphere is often in a convective stable state with constant
what is the energy efficiency of photosynthesisa what area is occupied by each moleculeb calculate the molecular absorption cross section in units of
what is the percentage of light that is engaged by the sample after a path length of 1 microm calculate the number of photons per second absorbed by
define surface contaminations wisconsin-madisona surface scientist wishes to remain an exposed surface clean le 005 adsorbed monolayer for an
calculate the standard potentials of the ag5 and ag10 nanoclustersdefine the change in standard potential of silver nanoclusters with particle sizes
calculate the solubility product of agcl ag5- and ag10- nanoclusters having of metallic silver but nevertheless have standard potentials
define hydrogen rocket the reaction chamber of a rocket engine is supplied with a mass flow rate m of sufficient oxygen and hydrogen to allow
define the process - liquid-solid-liquida small quantity of water of mass m 50g in a container at temperature t 273 k is placed inside a vacuum
define about the heat lossan immersion heater of power j500 w can be used to heat water in a bowl after 2 minutes the temperature enhance from t185oc
define the tea in thermosone liter of tea at 90deg c is poured keen on a vacuum-insulated container thermos the surface area of the thermos walls
draw a two-dimensional model of a closed-packed assembly of sphereschange this model into a three-dimensional one how many dissimilar possibilities
in solid state chemistry the cn22-ion shows constitutional isomerism the free acids of both anions at least in the gas phase are known illustrate the
what gas form by the hydrolysis of cacn2 write down the equation of the reaction of cacn2 with
the concentration of the product in the equilibrium is enhancing with increasing concentration of the substrate
describe this blocking by drawing the interaction between water and the catalyst analogous to that of task 1 of this problem if a metal catalyzes
define space station pressure mita space station consists of a huge cylinder of radius ro filled with air the cylinder revolve about its symmetry