An element x whose atomic weight is 227 is a mixture of two
An element X whose atomic weight is 22.7 is a mixture of two isotopes with atomic masses of 24.1 and 22.5, respectively. Calculate the relative abundance (mole percent) of each isotope in the mixture.
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a mixture of 100 mol no 050 mol h2 100 mol h2o is placed in a 100 liter vessel and allowed to reach equilibirum no0062
the following data were collected for the reaction of tbutylbromide ch33cbr with hydroxide ion at 55 degrees celsius
a 0410-kg ball is dropped from rest at a point 430 m above the floor the ball rebounds straight upward to a height of
two capacitors one 120 microf and the other of unknown capacitance are connected in parallel across a battery of emf 90
an element x whose atomic weight is 227 is a mixture of two isotopes with atomic masses of 241 and 225 respectively
what is the net upward force on an airplane wing of area 219 m2 if the speed of air flow is 293 ms across the top of
when a compound x which contains only s c and h is burned one volume of x yields 1 volume of sulfur dioxide 3 volumes
a quantity of c2h4 gas occupies a volume of 100l at 37c and a pressure of 720 mm hg calculate the weight in grams of
two equally charged spheres of mass 10 g are placed 20 cm apart when released they begin to accelerate at 655ms2 what
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