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what are the strategic importance of neodymium uses such as magnets coloring of glass and infrared radiation
if the maximum amount of product possible is formed in the following reactions what mass of the specified product would
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given the following boiling point data which one of the liquids would you expect to have the highest vapor pressure at
need to have a chart of the atoms and elements so i can tell which is which on the assignment also need to draw a
what reaction occurs with water calculate the ph of a 010 m solution of nahso4 if solid na2co3 is added to the solution
a 5070 ml of sample of caoh2 solution is titrated with 01188 m hcl what is the molarity of the calcium hydroxide
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specify what ions are present in solution upon dissolving each of the following substances in water
the daily dose of ampicillin for the treatment of an ear infection is 115mgkg of body weight what is the daily for a 34
if a 0135 g sample of nacl were placed on an ion exchange column in the h form and the eluate titrated with 01231 m
how much heat in kj is needed to convert 853 g of ice at -30degc to steam at 131degc the specific heat capacities of
calculate the amount of heat liberated in kj from 411 g of mercury when it cools from 790degc to
determine the boiling point of a solution that contains 788 g of naphthalene c10h8 molar mass 12816gmol dissolved in
a weak acid ha has a pka of 4 in a buffer the ratio a-ha 10-2 what is the ph of the
calculate the freezing point of a solution of 5000 g of ethylene glycol c2h6o2 dissolved in 5000 g of water kf 186
apparently my answer of 00840 is incorrect according to my instructor who took a look at my response and told me i had
two samples of calcium fluoride are decomposed into their constituent elements the first sample produced g of calcium
the pka of epinephrine is 855 in a solution of what ph will epinephrine have a charge and what will the charge
isoprene is at the basis of a large class of biologically-relevant lipids known as terpenoids or isoprenoids isoprene
you have two flasks of equal volume flask a contains h2 at 0 degree celsius and 1 atm pressure flask b contains co2 gas
how much heat energy is required to melt one ice cube in a soft drink to form liquid water 0 c if the ice cube has a
pipets used for the transfer of samples of solutions are always rinsed with a small portion of the solution to be
draw the skeletal structure of the product or mixture of products that result from the bromination of the given
1 a certain reaction has delta h -195 kj and delta s 427kj caculate delta g for the reaction at 25 degrees c is the