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for the first-order reaction 12 n2o4g yields no2g change in h 286kj the rate constant is k684 x 10 to the 4 s-1 at -23
a totem pole has representations of n animals arranged in a vertical columnif there are 10 animals that can be used on
draw a molecular orbital for 1357-octatetraene make sure to include labels relative energy bondingantibonding character
in a system designed to measure cadmium stored in liver a personrsquos liver receives a dose of 125 mugy from fast
a volume of 307 ml of a 166 m kmno4 solution is mixed with 167 ml of a 0976 m kmno4 solution calculate the
what is the net ionic equation for the reaction of an iron ion in solution mixed with nh3 resulting in a percipiate of
muons are created in the atmosphere by collisions of cosmic rays mostly high energy protons with air molecules muons
what is the lowest frequency in hz that will resonate in a 3 m length organ pipe closed at one end velocity of sound
a particle of mass m moves in a conservativ force field find the lagrangian function and the equation of motion in
a 50 g block of ice at 0 degc rests in a pan in a room at 22 degc and melts completely what is the entropy change in
using the hamiltonian for the harmonic oscillator or otherwise show that the expectation value of the kinetic energy is
a heat engine operating between a pair of hot and cold reservoirs with respective temperatures of 500 degk and 300 degk
a 350-microf capacitor is fully charged by being connected to a 60-v battery the fully charged capacitor is then
a solution containing 8330 g of an unknown protein in 1700 ml of solution has an osmotic pressure of 520 mmhg at 25 c
during a solar eclipse the moon earth and sun all lie on the same line with the moon between the earth and the sun what
recent studies have raised concern about heading in youth soccer ie hitting the ball with the head a soccer player
consider a simple model for the interior of the earth there is a spherical iron core with constant mass density 0 and
a container holds 23 mol of gas the total average kinetic energy of the gas molecules in the container is equal to the
during an all-night cram session a student heats up a 0668 liter 0668 x 10- 3 m3 glass pyrex beaker of cold coffee
for the reaction of the ammonium ion with nitrous acid the net reaction is nh4 aq hno2aq yields n2g 2h2o l h aq if
a particle with charge q moves in a circular orbit around the origin with radius a in the xy-plane with constant
a 2350 ml sample of urine has a mass of 2408 grams the specific gravity of the sample to three significant digits
a f 5 cm thin lens is to the left of a concave spherical mirror with a radius of curvature of magnitude 8 cm the lens
mercury is poured into the opening end of a j-shaped glass tube which is closed at the short end trapping air in that
donald duck and his nephews manage to sink uncle scrooges yacht m 3781 kg which is made of steel 7850 kgm3 in