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freon 11 which has a chemical formula ccl3f has a normal boiling point of 238c the specific heat of liquid and gaseous
a mixture of cog and o2g in a 11 l container at 1100k has a total pressure of 22 atm after some time the total pressure
given that there are 18 x 1020 moles of diatomic molecules present how many kilograms of ice at the north and south
the molar heat capacity of a diatomic molecule is 291 jkmiddotmol assuming the atmosphere contains only nitrogen gas
the annual production of zinc sulfide zns is 55 104 tons estimate the number of tons of so2 produced by roasting it to
a sealed bulb with a gas is immersed in an ice bath and its pressure is measured as 444 mmhg then the same bulb is
construct a rough plot of ph versus volume of base for titration of 250 ml of 0050 m hcn with 0075 m naoha what is the
a copper cus electrode is immersed in a solution that is 100 m in ammonia nh3 and 100 m in tetraamminecopperii cunh342
a fossil was analyzed and determined to have a carbon-14 level that is 620 that of living organisms how old is the
a certain medal hydroxide moh2 contains 328 oxygen by mass what is the identity of the metal
the following data were collected at the endpoint of a titration performed to find the molarity of an hcl solution
classify the following bonds as ionic polar covalent or nonpolar covalent show your calculationsa se-clb al-clc k-fd
what volume of 0100 m sodium hydroxide is required to completely neutralize 500 ml of 0100 m phosphoric acida 150 mlb
a sample of gas occupies 140103 ml at 25 degrees c and 760 mmhg what volume will it occupy at the same temperature and
a sample of nitrogengas has a volume of 324 l at 20 degrees celcius the gas is heated to 220 degrees celcius at a
a how many minutes will it take to plate out 219 g of chromium metal from a solution of cr3 using a current of 352 amps
calcium hydrogen phosphate is a component of plant fertilizers a source of phosphate it is a relatively insoluble
below are five statements about the temperature dependence of a reaction rate constant k which one statement holds true
can someone please explain the chemistry of lidocaine synthesis to me we made lidocaine in the lab and used 26
the annual production of zinc sulfide zns is 55e4 tons estimate the number of tons of so2 produced by roasting it to
the ksp for agbr is 41 x 10-13 will a precipitate form if 25 ml of 345 x 10-8 m agno3 solution is mixed with 25 ml of
based on the like dissolves like rule predict whether each of the following solutes is soluble or insoluble in watera
trimethylamine c3h9n is a weak base pkb 419 with a fishy odour in a titration of 2500 ml of aqueous trimethylamine
a 250-ml sample of potassium chloride solution was found to have a mass of 25115g when the solution was heated to
a hypothetical lake has a surface area of 23 acres and an avgage depth of 20 ft recently there was an accident where a