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if a constant pressure calorimeter having a heat capacity of 665 kjk is utilized to measure the energy released from
compute the final temperature of solution when 12 g of oxalic acid cooh2s is dissolved in 1130ml of water that is
evaluate the change in temperature when 2 g of sodium chloride is dissolved in 2600ml of water initially at 24 c
if a second order reaction is found to have a rate constant k equal to 157e3 m-1s-1 utilize the appropriate integrated
if a gas expands against a constant external pressure of 09 bar until its volume has amplified from 22 l to 62 l during
presume 233 g of clf3g as well as 343 g of lis are mixed and allowed to respond at atmospheric pressure and 25 c until
while 14ml of water at 33 c is combined with 14ml of water at 76 c explain what is the final temperature of the water
evaluate the amount of heat released absolute value when 11 kg of liquid ethanol is burned in excess oxygen to make
explain the gas inside a flexible container eg a balloon is allowed to expand against a constant external pressure of
if three of the known wavelengths of the emission spectrum of helium are 4026nm 4471nm and 5875nm compute n2 for these
the molarity of an aqueous solution of potassium hydroxide is finding out by titration against a 0138m hydrobromic acid
enter the symbol for the orbitals that overlap example for enter 1s as well as the chemical symbol of the noble gas
if the meteorologists historically reported pressures in mmhg or inches of water explain what is the pressure in atm
explain the rate constant for the first order decomposition of a compound a in the reaction 2a p is kr 356 10-7 s-1
compute the volume of concentrated ammonia solution which is 15 molar that contains 750g of
find thermodynamic data for ethanol c2h5oh in appendix b estimate the normal boiling point of ethanol as well as
forecast how the total pressure varies during the gas-phase reaction n2 g 3 h2g 2 nh3 g in a constant-volume
an unknown solution containing merely group one cations forms a white precipitate p1 upon addition of hydrochloric acid
explain if a solution has an absorbance value of 398 at a wavelength of 450nm define what is the percent transmittance
tetrahedral as well as octahedral interstitial holes are formed by the vacancies left when anions pack in a ccp array a
explain the hydrolysis of sucrose to fructose is first order in sucrose with a half-life of 43e03s at some temperaturea
compute the mass in grams of nacl necessary to make 100ml of a 0100 m nacl stock solutionalso compute the volume in ml
explain the hybridization state of c and n atoms in tryptophan as well as determine the number of sigma and pi bonds in
suggest an experimental procedure that could be utilized to synthesize 1 2-dimethylcyclopentene from 1
compound e has the molecular formula c5h8 as well as is optically active on catalytic hydrogenation e yields f compound