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explain water is slightly warmer at the bottom of a waterfall than at the top for the reason that the gravitational
provide the structure and name of the products produced from the following reactionsa trans-2-butene br2b cis-2-butene
explain what is the molar solubility of agcl in 10 m k2s2o3 if the complex ion ags2o323- forms the ksp for agcl is 18
a resistive heater operating at 9v and 41is used to heat a 8g block of iron heat capacity473 jgk explain how much time
compute the molarity of a solution made by dissolving 0770 grams of na2so4 in sufficient water to form exactly 950ml of
plants utilizes co2 g and h2o l as well as energy from the sun to create glucose c6h12o6 and oxygen gas explain what is
if a 12 g sample of c3h6o is burned completely in excess oxygen to yield co2 g and h2o l at 25 c releasing 3822 kj of
compute the volume of natural gas methane necessary to bring 3 l of water to a boil presume the initial temperature of
the standard enthalpy of formation of n-octane is -24995 kjmol evaluate the amount of heat liberated when 504 g of
if a chalice made of pure gold weighing 147 kg as well as initially at 21 c is filled with 1500ml of water at 78 c
find out the number of grams of na2so4 that can be prepared by the reaction of 744 g of naoh with sufficient
explain a sample of liquid mercury mass 67 g and temperature 92 c is poured into 96 g of h2o at 15 c compute the final
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