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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
with a slope of 55x106 m3k 1 mole and 27315k explain what is the coldest temperature that liquid water exists using the
explain how do determine the heat of neutralization for acid base reactions by an experiment define how do perform a
the standard enthalpy of formation of ammonia vapor at 298k is -4611kjmol determine its standard enthalpy of formation
porphyrin is a large flat conjugated molecule explains which can be thought of as having a square box shape apply the
explain when coal is burned the sulfur present in coal is converted to sulfur dioxide so2 which is in charge for the
a mixture of gases contains 024 mole ch4 044 mole c2h6 and 053 mole c3h8 the total pressure is 150 atm compute the