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compute the impact velocity necessary to heat and completely melt a lead bullet initially at 60 c when it strikes a
a soft drink 2200ml of mostly water initially at 14 c is cooled by adding 1360 g of ice cubes at 0 c explain what mass
explain the gas inside a cylinder expands against a constant external pressure of 28 bar from a volume of 053 l to a
if an ideal monatomic gas originally at 26 c and 14 bar is allowed to expand reversibly as well as adiabatically from
upon shaping a 23kg sword the blacksmith cools the iron blade heat capacity 0473 jgk by quenching it in a large barrel
an 2970 ml mug of hot chocolate at 100 degc is mixed with a 91 g spoon at 20 degc explain what is the final temperature
if the addition of bromine to ethene in the presence of high concentration of chloride ion in an inert solvent results
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