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maple syrup is habitually a solution of sucrose in water compute the molality of the syrup if a sample freezes at -50
explain it has been suggested that gold might be recovered from seawater if seawater contains about 4 x 10-9gl of
define a 100ml sample of water is taken from the pacific ocean as well as the water is allowed to evaporate the salts
explain the standard enthaply of formation of ammonia vapor at 298k is -4611kjmol determine its standard enthalpy of
a solution of khc2o4h2c2o42h2o three replaceable hydrogens is 0200 n as an acid define what is its normality as
presume a 250 l sample of vinegar had an acetic acid concentration of 850 m explain how many moles of acetic acid would
a solution of khc2o4h2c2o42h2o three replaceable hydrogen is 0200 n as an acid explain what is its normality as
compute the net atp molecules generated include atp generated from oxidation of all cofactors when 1 molecule of
sketch all steps in the synthesis of each of the subsequent compounds using only organic starting material given plus
a sample of trishyroxymethyl aminomethane h2ncch2oh3 which is a base with a mass of 05875 g is dissolved in water as
a compute the ph of a solution of 300ml of 00580 m malonic acid h2c3h2o4 when it is titrated to the second equivalence
suppose gallium crystallizes in a primitive cubic unit cell the length of an edge of this cube is 362 pm explain what
for the procedure of a certain liquid vaporizing at 1atm delta h 555 kjmol as well as delta s 741 jmol k presume these
explain which compound will have the larger rf value on a sio2 tlc plate using 10 ethyl acetatehexane as eluent
explain what is the molar heat capacity of titanium metal if it takes 897 joules to increase the temperature of a 330 g
suppose if you mix 2050ml of a 0393 m solution of k2cro4 with 2050ml of a 0393 m solution of agno3 explain what mass of
find out the electron geometry eg as well as molecular geometry mg of the underlined carbon in
compute the fraction of glutamic acid that has its side chain carboxylic group protonated at ph
state the lewis structure prepare a vsepr sketch explain the geometry prepare a vb sketch and describe the bonding in
explain what volume ml of a 755m na2co3 solution would be necessary to prepare 33600ml of a 960wv na2co3
your unknown weak acid has a pka of 721 as well as you have created your solutions of ha and a- with both having
you evaluate out exactly 1000 g of your unknown mw 13609 gmol explain how much 02200 m naoh will you be
you are asking to make a buffer with a ph of 36 explain which of the following acids would be the best for this
for a certain metal the enthalpy of freezing is -553 kjmol as well as the absolute entropies of the solid as well as
imagine we desire to better understand how diffusion contributes the gradual grain growth of al at 700ordmc to do this