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in an exacting redox reaction no2- is oxidized to the no3- as well as cu2 is reduced to cu complete as well as balance
for each of the subsequent molecules offer a lewis structure comprising formal charge and resonance utilizing the table
a solenoid 100 cm in diameter and 767 cm long is made from copper wire of diameter 0100 cm with very thin insulation
give the term symbol for the term occurs from each of the subsequent h-atom electron configurations 1s 2p 3d give the
state the reaction and the corresponding kb equilibrium expression for each of the following substances acting as a
a radioactive matter with a half-life of 30 days has an initial activity of 024 ci what is its activity after 60 daysa
explain a solution is known to contain cl- no3- no2- and so42- ions explain which of these ions can be positively
explain how much heat is evolved when 320 g of so2 is burned as per to the chemical equation shown below2 so2g o2g 2
in the figure below water stands at depth d 300 m behind the vertical upstream face of a dam of width w 320 ma
assume one of the global positioning system satellites has a speed of 446 kms at perigee and a speed of 364 kms at
explain a sample of gas occupy a volume of 586 ml as it expands it does 1178 j of work on its surroundings at a steady
a 1900 kg car traveling to the right at26 ms is chasing a second car of the similar mass that is traveling to the right
a weaken solution in water has an osmotic pressure of 122 atm at 20oc relative to pure water approximate the mole
a simple pendulum is swinging back and forth through a small angle its motion repeating every 112 second determine how
define how many moles of hydrogen ions are concerned in one equivalent of an acid-base reaction and is it probable to
a square loop of wire is held in a uniform 025 t magnetic field directed perpendicular to the plane of the loop the
explain how many moles of hydrogen ions are concerned in one equivalent of an acid-base reaction also is it possible to
a ball of mass m is dropped from a height h above the grounda ignore air resistance calculate the speed of the ball
equivalent weight of hydrogen show how as well as how many electrons are involved in one equivalent of
a vehicle fuel tank is filled to the brim with45 l 12gal of gasoline at10 degc immediately afterward the vehicle is
on the basis of half-cell potential of cuzn define which electrode will increase in mass in the experiment and
a block with mass of 4 kilogram is compressed a distance d against a spring with a spring contrast of 250 nm the
a 46 kg object and a 130 kg object both resting on a frictionless table are associated by a mass less compressed spring
the big bang theory states that the beginning of the universe was accompanied by a huge burst of photons those photons
find out the mass of the copper that was removed from the penny presuming excess nitric acid compute the grams of