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liquid water at 0oc and atmospheric pressure has a density of 1000 gcm3 at this condition ice has a density of
consider the combustion of h2 2h2 o2-gt2h2o if hydrogen is burning at the rate of 077mols what is the consumption of
the rate of this reaction is first order in each reactant the rate constant for the disappearance of h2s at 28c is 35 x
im confused on how a water molecule point group c2v would look if it was rotated c2 about each of the x y and z axes
the reaction 2no2 -gt 2no o2 has the rate constant k 065 m-1s-1 if the initial of no2 is 730 x 10-2 m how would you
benzene is a starting material in the synthesis of nylon fibers and polystyrene styrofoam its specific heat capacity is
nickel has a face-centered cubic unit cell the density of nickel is 684 gcm3 calculate a value for the atomic radius of
what pressure would have to be applied to steam at 365degc to condense the steam to liquid water h vap 407
aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by
describe the preparation of 250 ml of 06 m triethanolamine buffer ph 72 from the free amine and 10 m hcl pk for the
a vessel contains 090 g liq h2o in equilibrium with water vapor at 30c at this temperature the vapor pressure of h2o is
what volume of glacial acetic acid 18 m and what weight of sodium acetate trihydrate ch3coonabull3h2o are required to
the density of gold is 193 gcm3 a 34 mg piece of gold is hammered into a square trhat is 86 x 10-6 cm thick what is the
a liquified mixture of n-butane n-pentane and n-hexane has the following composition in weight percentn-c4h10 50n-c5h12
what weight of sodium carbonate na2co3 and sodium bicarbonate nahco3 are required to make 500 ml of 02 m buffer ph 1070
how is the effect of a catalyst observed and described qualitatively in enzymatic catalysis
a student preapred a stock solution of the assigned compound by weighing 2345 grams of cuno32 6h20 nickelii nitrate
which single step in the chemical reaction described below will most greatly assist you in understanding and
draw the molecular structure of 22-dimethylbutane and 23- dimethylbutane 2-methylpentane 3-methylpentane and
all matter posseses wave properties a rock weighing 79442grams going 60 miles per hour calculate the wavelength in
how many atoms are contained in a block of aluminum metal measuring 8 mm x 5 mm x 12 mm the density of aluminum is 27
the density of gold is 193 gcm3 a 34 mg piece of gold is hammered into a square that is 86 x 10-6 cm thick what is the
the following data have been obtained for oxygen gas at 27315k calculate the best value of the gas constant r from them
what are the possible values of n and m the principal and angular momentum quantum numbers for an electron in a 5d
explain how and why the aqueous solubilitycwsat and vapor pressure pv for phenol differs when its pure natural state