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a cheerleader waves her pom-pom in shm with an amplitude of 188 cm and a frequency of 0870 hza- find the maximum
an ideal gas is expanded reversibly from initial conditions of vi 10 l and ti 25c to vf 100l and tf 150c calculate
a 075-l bottle is cleaned dried and closed in a room where the air is 22 degrees c and 44 relative humidity that is the
a person has a near point of 40 cm and a far point of 20 m when looking through lenses of focal length -20 m what is
show how you would synthesize di-tert-butyl ether from any starting material you would like that contains four or fewer
a chair of mass 105 kg is sitting on the horizontal floor the floor is not frictionless you push on the chair with a
a 2400 ml buffer solution initially contains 30times10-2 m of hcho2 and 30times10-2 m of nacho2 what mass of the
a bowling ball weighs 708 n the bowler applies a horizontal force of 169 n to the balla- what is the magnitude of the
what is the ph of a soft drink in which the major buffer ingredients are 66 g of nah2 po4 and 80 g of na2hpo4 per 355
1 when is ph pka for a monoprotic acid and why2 write the formula for each component in a buffer solution of acetic
a dockworker applies a constant horizontal force of 890 n to a block of ice on a smooth horizontal floor the frictional
a the h in a solution is 68 x 10-3 m what is the phb the ph of a solution is 370 what is the h what are oh- and pohc
a vessel containing saturated vapor steam at 175 c is cooled to 40 c the total mass of its contents is 450g determine
at 25 degrees the rate constant for the first order decomposition of a solution is 00640 if the starting concentration
a football spends a total of 5 seconds in the airit reaches a peak height of 20 meters how long does it takes to reach
a he-ne laser produces light of wavelength 633 nm with intensity 105 103 wm2 over a beam of cross-sectional area 103
for the d3h point group draw 3x3 transformation matrix for each of the operations of this point group on a set xyz
the three isomers 0-m- and p-xylenes are are very difficult to distinguish via proton nmr however they are
a highway curve of radius 500 m is designed for traffic moving at a speed of 90 kmhr what is the correct banking angle
ip two point charges the first with a charge of 345times106 c and the second with a charge of -410times106 c are
find the equation for the radial distribution function for the 4p orbital and calculate the position of the radial
to prepare 140 l of a buffer solution having an ionic strength of 0130 and a ph of 700 would requireof
how large should n be in order to approximate the integral from 0 to 1 sinx2 dx accurate to with in 001 using the
how many ml of 064 molar naoh must be added to 39 ml of 011 molar hcl to completely neutralize the
find the ph of a solution after 010 mol of hcl is added to 10 l of a buffer solution that contains 140 m nh3 and 090 m