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explain what is the minimum mass of ethylene glycol that must be dissolved in 145 kg water to prevent the solution from
a 137m solution of citric acid h3c6h5o2 in water has a density of 110 gcm3 compute the mass percent molality
solution a and b have osmotic pressures of 24atm and 46atm respectively at certain temperature explain what is the
what is the name of each of the three quantum numbers used to describe orbitals in atoms what orbital characteristics
compute the frequency in hz and the energy in j using c lambdav and c2998 x 108 ms -1 and h6626 x10-34 js wavelengths
explain if the heat combustion is 5639kjmol explain why are people who are unlimited calorie diets advised to limit
explain a small empty glass bottle is found to weigh 6820g the container when filled with di water at 2000 degree
explain what is the bond order of each bond in sulfur dioxide when formal charge is
as per to the vsepr theory the geometry of the bonding about the central sulfur atom in h2so4 in which the hatoms are
explain what is the wavelength of light emitted when an excited electron in hydrogen atom falls from the n5 level to n2
part a- phosphorus-32 decays by beta emission to form sulfur-32 explain how many half-lives have passed in the reaction
a truck travels 40 meter in 85 second while uniformly slowing down to a final speed of 28 ms compute the original speed
if a student weighed a copper wire that was significantly larger than the size recommended in the
for the given reaction 1 find out the respective products 2 balance the equations 3 specify the spectator as well as
explain a volume of 180 l contains a mixture of 0250 mole n2 0250 mole o2 as well as an unknown quantity of he the
when struck by a club a golf ball initially at rest gets a speed of 31 ms if the ball is in contact with the club for
a complete circuit consists of a 240 volt battery a 560 ohm resistor and a switch the internal resistance of the
depict the scheme of glycolysis presume that glucose is labeled by c14 at its c-3 atom explain at what position of
in rat myocytes the concentration of atp is 7 mm adp is 1 mm as well as phosphocreatine is 45 mm explain what is the
a car which is traveling at a fix speed of 150 ms takes 110 sec to complete each lap as it travels around a circular
an electrical conductor designed to carry large currents has a circular cross section with a diameter of d and a length
presume that each ptk receptor bound to a growth factor converts 95 molecules of ras protein into gtp forms in 1 second
explain how many atp molecules are necessary to pump 100 k ions out of a cell when the cytoplasmic concentration of k
two persons are pulling a boat through the water each exerts a force of 600 newton directed at a theta 250 degree
a laptop communicates with a router wirelessly by means of radio signals the router is connected by cable directly to