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if the heat is given by the following function q8t31t calculate the change entropy between temperatures 10k and
for the reaction fe2o3 snbsp 3 conbspgnbsprarr 2 fenbspsnbsp 3 co2 sdeltagdeg -31 kj calculate the standard free
consider a titration of 0737l of 0701m h2so3 with 155m naoh what is ph at second equivalence
water boils at approximately 3669k at lake tahoe p0809 bar the boiling point temperature can be increased by dissolving
1 a person on earth is watching two spaceships heading toward each other the person on earth says spaceship a with you
static equilibrium indicate the direction of positive rotation and the axis of rotation in this problem as well as the
molecules-- assign s or r configuration r or
before starting this problem check out the section on the thin-lens formula and the magnification formula check out the
how many atoms of your element must be lined up to to make a line 1 inch long nbsp my element
what would the mass of 1 liter 1000 ml or 1000 cm3 of your element be with equations my element is
calculate h in a solution containing 320 g of hno3nbspin 250 ml of solutionnbsp nitric acid is a very strong
a draw a diagram of light incident from air onto a thin film with n gt1 with air on both sides indicate at which points
given the arrangement of conductors shown belowa draw the electric field lines be sure to include the arrowsb draw the
an infinitely long thin cylinder of radius r9 cm with a uniform charge per surface unit of sigma6410-8 cm2 is centered
a 100-watt lightbulb uses an average power of 100 w when it is connected to an rms source of 120 v what is its
light falls on naci crystal at an angle of 40o to the normal the refractive indext of sodium chloride is 1544 as a
start with a fundamental tonea how many harmonics are there between the first and second octavesb how many harmonics
two isotopes of cabon c12 and c13 traveling with the same velocity move through a isotope has a charge e 16 x 10-19 c
to start a lawn mower you must pull on a rope wound around the perimeter of a flywheel after you pull the rope for 099
the half-life of a sample of 1011 atoms that decay by alpha particle emission is 10 min how many alpha particles are
1 the following augmented matrices represent linear systems in three variables in each case determine the number of
the star sirius is much hotter than the sun with a peak wavelength of 290 nm compared to the suns 500 nm it is also
a star is moving at 02c along the x axis the star is moving away from observer a and toward observer bthe star emits
your are standing with your 1116-kg car at a red light the light turns green and you speed up your car to 33 mph over a
in a high speed rail transportation system for the comfort of the passengers the magnitude of the acceleration and