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the vapor pressure of pure water at 25 c is 238 torr a solution is made by mixign 3638 g of unknown non ionic substance
in a vacuum a certain light has a wavelength 0 589 nm and travels at speed c 300x108 msa what is the frequency of the
unlkie amines amides are not ver strong bases in fact the nitrogens in amides are not even the most basic position -
the total kinetic energy in one mole of an ideal gas is 4000 j if the gas is nitrogen what is the root mean square
lactic acid found in sour milk has an empirical formula of hc3h5o3 a 10 g sample of lactic acid required 170 ml of 065
calculate the enthalpy change in kj when 220 g of water at 350degc is heated to steam at
why is it necessary to use relatively exotic reagents to form precipitates with the lithium group
the inside temperature of a house is 65 degrees f when the temperature outside is 35 degrees f the furnace supplies 100
you want to make a 500ml of a 0350m buffer of ph 620 you choose hydroxylamine as the system for your buffer a if you
an intergalactic rock star bangs his drum every 130 s a person on earth measures that the time between beats is 210 s
find the anode half-reaction cathode half-reaction and volts lit of the following cells ag-cd ag-cu ag-pb ag-zn cd-cu
draw the complete mechanism for the reaction that occurrs in this solvolysis experiment showing all intermediates and
find the terms that can arise from the following configurations in each case identify the ground term lowest energy
a person on a bicycle accelerates at 20 ms2 for 30 seconds if the final velocity is 10 ms what was the cyclists initial
if the salt bridge consists of a gel containing approximately 1 m kno3 will the no3-ions flow into the right hand cu
a magnetar magnetic neutron star has a magnetic field near its surface of magnitude 375middot1010 ta calculate the
the voltage and power ratings of a particular light bulb which are its normal operating values are 110 v and 60 w
an astronaut leaves earth in a spaceship at a speed of 0280c relative to earth if the destination is a star system
a 0954 kg toy car is powered by four aa batteries 600 v total connected directly to a small dc motor the car has an
a racl2 sample isolated by m curie in 1906 contained 910 mg of 226 ra 226 ra has a half-life of 1622 yearsa what was
the displacement s of a particle moving under uniform acceleration a is some function of the elapsed time t and
suppose one side of a pine wood block with thickness of 10 inch is in contact with a steam block at a temperature of
a current of 389ma flows in a silver wire of diameter 333 mm find the electric field strength inside the wire the
using the value of 73 kcalmole for atp how many kcal are conserved as atp from one mole of glucose in each of the
you need to prepare a 0103mm diameter tungsten wire with a resistance of 205 kq how long must the wire be the