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write out all equations but you do not have to do the integration how you would calculate the absolute entropy of cl2g
the enthalpy of vaporization of ethanol is 3856 kjmol it has a boiling point of 35144 k what is the difference in
a ball rolls from rest down a roof without slipping the roof has pitch of 30 degree until there is a flat horizontal
complete the following calculation a student wants to react mgs with 100ml of 15m hcl but the intent is to have all the
each of the following complex ions is either tetrahedral or square planar on the basis of the number of unpaired
two identical wheels are moving on horizontal surfaces the center of mass of each has the same linear speed however one
constructive interference occurs when a soap bubble reflects light of wavelength 430 nm what is the minimum thickness
one mole of benzene component 1 is mixed with 2 moles of toluene component 2 at 60 c and at such low pressure that
a spaceship approaches earth with a speed of 070c a passenger in the spaceship measures his heartbeat as 70 beats per
an ideal monatomic gas is contained in a vessel of constant volume 0210 m3 the initial temperature and pressure of the
dinitrogen pentoxide n2o5 decomposes by first-order process with a rate constant of 37 x 10-5 s-1 at 298ka what is the
a concave mirror in an amusement park has a radius of curvature of 40 m a child stands in front of the mirror so that
one end of a wire is attached to a ceiling and a solid brass ball is tied to the lower end the tension in the wire is
in a 050 m hcl solution an indicator is not all in acid form for methyl orange what percentage of the indicator is in
if the observed wind speed by an anemometer is 5 ms what is the wind speed at 100 m height if the value of the index p
a buffering system in the blood is h2co3hco4 at the normal blood ph 74 a solution of h2co3 and hco3 will change the ph
a buffer solution was prepared by adding 495 g of sodium acetate nach3co2 to 0250 l of 0150 m acetic acid ka 175 x
a sample of 20 grams of ammonia was placed in a 250 ml container and heated to 300 degrees c after equilibrium was
a man falls over while ten pin bowling he has a speed of 17 ms and a mass of 81 kg the coefficient of kinetic friction
you may be required to standardize a solution of na2s2o3 in this experiment the approximate molarity of this solution
how can 1-bromopropane be used to prepare each of the following a ethanal b propanonec propanal d 2-butanonee
an lc circuit consists of a capacitor c 352 microf and an inductor l 422 mh the capacitor is fully charged using a
arrange the following aqueous solutions in order of increasing freezing point 010m glucose 010m bacl2 020m nacl and
johns face is 20 cm in front of a concave shaving mirror of focal length 30 cm how large an image does he