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an initial mixture of nitrogen gas and hydrogen gas are allowed to react in order to reach equilibrium by the following
you are asked to prepare a standard solution of 100 mm of valine at ph 535 for a biochemistry experiment the pi of
what is the ph of the resulting solution if 3000 ml of 010 m acetic acid is added to 1000 ml of 010 m naoh assume that
one mole of an ideal gas with a volume of 10 l and a pressure of 50 atm is allowed to expand isothermically into an
a beaker with 160 ml of an acetic acid buffer with a ph of 500 is sitting on a benchtop the total molarity of acid and
calculate the ph at the following points during the titration of 1000 ml of 020 m acetic acid ka for acetic acid 18 x
calculate the ph at the equivalence point for the following titration 010 m hcooh versus 010 m
particular solid is soft a poor conductor of heat and electricity and has a low melting point generally such a solid is
a compressed gas cylinder initially at 137 mpa and 23degc is in a room where fire causes the temperature to reach
metal m crystallizes in a face-centered cubic lattice if the edge of the unit cell is 200 pm what is the radius of a
copper crystallizes in a face-centered cubic lattice what is the mass of one unit cell report your answer in gramsa 422
which substance meets the requirements crsytalline solid brittle poor electrical conductor in the solid state good
what is the relationship between deltag qp and kp for a reaction involving gasesa delta g qpkpb delta g rtlnkpqpc
what is the molarity of a solution made by dissolving 664 g of sodium acetate in water and diluting to 750 ml molar
which set of temperature and pressure conditions will cause a gas to exhibit the least deviation from ideal gas
what is the molar mass of an ideal gas if a 0800 g sample of this gas occupies a volume of 200 ml at 500 oc and 720 mm
what volume in ml of 12 m hci solution is required to prepare exactly 500 ml of a 045 m hci
the configuration for the ground state of iridium is xe4f145d76s2 what are the group and period for this
how many grams each of the following per 1000g of water in your car radiation are needed to give equal protection
juan performed a calorimetry experiment to determine h for the following reactionkoh s -gt k aq oh- aqhis calorimeter
a rather confused student ina fogg hydrolyzed the intermediate ester with 6m hcl rather than 3m naoh and then she
identify which process break covalent bonds and which ones simply overcome intermolecular forces explain why a
how long would it take for 150mol of water at 1000 degrees celsius to be converted completely into steam if heat were
sulfur dioxide in the effluent gases from coal-burning electric power plants is one of the principal causes of acid
calculate the molar solubility of calcium hydroxide in a solution buffered at ph 3 ph 7 ph 9 ksp value for caoh2 from