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find out the normal boiling point in celsius of pure acetic acid giving that the liquid has a vapor pressure of 139
suppose the energy of a vibrating molecule is quantized much like the energy of an electron in the hydrogen atom the
a solution is prepared by diluting 016 mol hno3 with water to a volume of 15 l explain what is the ph of this
calcium chloride is commonly utilized in first aid hot packs the lattice energy of calcium chloride is 22234 kjm the
the thermal decomposition of calcium carbonate produces two by-products calcium oxide as well as carbon dioxide compute
while 111g of 2-methyl-2-propanol was heated with phosphoric acid a colorless gas evolved this gas was passed through a
if a gas consisting of only carbon and hydrogen has an empirical formula of ch2 the gas has a density of 165gl at 27
a 214-l sample of hcl gas at 261atm and 28 celsius is completely dissolved in 668ml of water to form hydrochloric acid
benzene may be regarded as a 04 nm square box containing six pi-electrons compute the wavelength of the light needed to
state the electron configuration of the ground state of calcium state the electron configuration of the next two
n2 3h2 ----gt 2nh3explain what is the maximum amount of ammonia that can be formed if 30 molecules of nitrogen react
explain how many grams of sodium lactate nac3h5o3 should be added to 100 l of 0150 m lactic acid hc3h5o3 to form a
explain what is the ph at the equivalence point in the titration of 0100 mhcl with 0100 m methylamine ch3nh2 the kb for
a series of lines in the spectrum of neutral li atoms rise from combinations of 1s22p12p with 1s2nd12d and occur at
a series of lines in the spectrum of atomic hydrogen lies at 65646 nm 48627 nm 43417 nm and 41029 nm explain what is
find out the minimum concentration of the precipitating agent on the right to cause precipitation of the cation from
an experimental light bulb with a volume of 3345 cubic cm is filled wa mixture o f 29835 g of argon and 1441 g of neon
passengers in an airplane at an altitude of 10 000 ft are under 743 kpa of pressure from the atmosphere the interior of
while an additional mol of gas is added at constant temperature as well as volume to a flask containing 200 mol of gas
at constant temperature and pressure conditions which one of the subsequent must be true in order for a reaction to be
in an experiment the fescn2 equilibrium concentration was found to be 032 10-4m in a solution made by mixing 500ml of
compute the energy separation in joules kilojoules per mole electron volts and reciprocal centimeters between the
utilizing the metallic crystal is known to be a cubic closes packed structure find out the density of the metal in gcm3
p and o react to form two different p oxides the mass of pin one of these oxides is 4364 in the other it is5634a state