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freshly cut garlic contains allicin a compound responsible for the true garlic odor propose a short synthesis of
in normal breath about 05 l of air at 10 atm and 293 k is inhaled about 25 of the oxygen in air is absorbed by the
two kids are on a merry-go-round the boy located 3m from the center of the merry-go-round is feeling a centripetal
a doubly charged helium atom whose mass is 6610-27 kg is accelerated by a voltage of 3000 vwhat will be its radius of
when given the reactants in a reaction and their concertration and the time it takes for the reaction to occur how do
a roller coaster goes through a complete loop if the train is given an initial speed of v0 30 ms what is the largest
determine the magnitude of the force on an electron traveling 365times105 ms horizontally to the east in a vertically
you have the following rc circuit v52v c1x10-6 f and r 31 mohms the circuit is initially uncharged it is the allowed to
name the kinds of attractive forces that must be overcome in order to do the following select all that applya boil
why are the bond angles for ch3ch2ch3 approx 109 degrees why is it tetrehedral when it has 10 electron
use the folowing data to calculate a the molar concentration of b in i water ii benzene b the molality of b in i water
predict which of the following liquids has greater surface tension ethanol c2h5oh or dimethyl ether
what is the absolute error in ml associated with a 25 ml burette and what is the relative error when a 325 ml volume
freon-12 ccl2f2is used as a refridgerant in airconditioners and as a propellant in aerosol cans calculate the number of
if 10 ml of 004m agno3 is added to 10 ml of 0024m k2cro4 is either ag or cro4 2- in stoichiometric excess if so which
in a series circuit a generator 1500 hz 140 v is connected to a 180- resistor a 430-f capacitor and a 510-mh inductor
1 consider a spring handing vertically from a ceiling attached to a mass m of 2 kg the spring constant k is 30 nm the
1 on a horizontal frictionless surface a block of mass m is sliding along on constant velocity v a block of mass m
a researcher would like to perform an experiment in a zero magnetic field which means that the field of the earth must
two carts of equal mass m 0280 kg are placed on a frictionless track that has a light spring of force constant k 476
an 866g bullet is fired into a 260g block that is initially at rest at the edge of a table of h 107 m height see the
during each cycle a refrigerator ejects 605 kj of energy to a high-temperature reservoir and takes in 545 kj of energy
a heat pump has a coefficient of performance of 370 and operates with a power consumption of 715 103 wa how much energy
a freezer has a coefficient of performance of 630 it is advertised as using 446 kwhyr note one kilowatt-hour kwh is an
a heat pump has a coefficient of performance equal to 435 and requires a power of 177 kw to operatea how much energy