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draw the molecular orbital diagram shown to determine which of the following is most stable c22- b2 n22 c22
phosphorous-32 has a half life of 1426 days if a patient is initially given a dose of 155 g of phosphorous-32 how much
rank these groups by increasing solubility in water amides esters ketones carboxylic acids brief explain
determine the order of the decomposition reaction n2o5 by using the initial rate date in the table below experiment
sodium bicarbonate reacts with citric acid as shown below what is the theoretical yield of sodium citrate na3c6h5o7
the metabolism of glucose c6h12o6 -12733 kjmol yields carbon dioxide co2 g -3935 and water h2o1 -2858 as products
the membrane permeable only to na ions is used is used to separate the following solutions 003m kcl and 0070m nacl and
a vinegar sample contained 460 acetic acid how many ml of 0450v sodium hydroxide would be required to titrate 2500 ml
predict whether the following reaction sns 2agaq sn 2 aq 2ags would occur spontaneously at 25c given that ag 2510-2
at 298k for the cel ptsh21 barhcl0124magclsags the electrochemical potential was measured at 0342v calculate the mean
calculate the values of e g and keq for each of the following reactions at 298k a sn 2ag sn2 2ag b cl2 2i- 2cl-
if 8 moles of the gas a is placed in a 60l tank with 1 mole of b at 0 degrees celcius and 1 atm how many moles of gas
what particle is emitted if cobalt-59 decays to iron-59 alpha particle beta particle neutron
which statement is false concerning nuclear fission 1absorption of a neutron by a u-235 nucleus will release at least
the pressure in a gas arises because the particles of a gas strike each other and the walls of their container exerting
if 020ml of methyl benzoate and 045ml of concentrated 18msulfuric acid plus 015ml of concentrated 18msulfuric acid and
a beam of electrons is incident on a gas of hydrogen what minimum speed must the electrons have to cause the emission
acetylcholine is a neurotransmitter and its concentration in the blood is quantitatively determined from the ph changes
what should be the normality of a sodium hydroxide solution if exactly 2500ml are to be used to titrate 2500of a
n-butanol c4h9oh undergoes complete combustion to form co2g and h2ol the enthalpy of combustion of n-butanol and the
if the atom 213 82pb undergoes decay by emitting two beta particles and an alpha particle the atoms new identity is
how much heat energy in kilojoules is required to convert 370g of ice at -180c to water at
1 which ion will be larger cr3 or v3 explain why 2 how and why does silicon form a network covalent oxide what is a
in the decay series that starts with uranium-238 the first four steps consist of the emission of an alpha-particle two