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sketch a cell which depicts the electrolysis of a 100 m aqueous solution of hcl assume both the electrodes are copper
a a sample of molten cdcl2 and a sample of aqueous cdcl2 are electrolyzed with inert electrodes determine the products
at an instant when a soccer ball is in contact with the foot of the player kicking it the horizontal or x component of
when a sample of molten mgcl2 and a sample of aqueous mgcl2 are electrolyzed with inert electrodes different products
a point charge of 61 microc is at the center of a cubical gaussian surface 60 cm on an edge what is the net electric
calculate the cr3 in equilibrium with croh4-aq when 0010 mol of crno33 is dissolved in a liter of solution buffered at
a physics instructor drives down to st louis to see his mom on the way there he travels the first half of the time at
a student is asked to prepare a 1 l buffer by adding 011 m sodium acetate to 009 m acetic acid solution what is the ph
during a heavy rain the drops are falling at a constant velocity and at an angle of 95deg west of the vertical you are
an athlete needs to lose weight and decides to do it by pumping irona how many times must an 540 kg weight be lifted a
a weak base b has a dissociation constant kb 10 x 10-7 for a 030 m solution of b in water which of the following is
the rate at which an australian tree cricket chirps is 184 per minute at 35oc but only 50 chirps per minute at 10oc
the annual production of zinc sulfide zns is 35 104 tons estimate the number of tons of so2 produced by roasting it to
question 1 discuss the shifting-mosaic climax community in terms of changing climate does the shifting-mosaic model
what is the activation energy in kj of a reaction whose rate constant increases by a factor of 10 upon increasing the
draw the skeletal structure of the bromoalkane reactant with the molecular formula c5h9br that gives the alkene shown
sulfurous acid h2so3 has acid dissociation constatns ka1 1510-2 and ka2 6310-8 what is the ph after 1000 ml of 01000 m
what is the anode reaction during electrolysis of neutral aqueous copperii sulfate using inert electrodes2h2o 2e- h2
how many seconds would it take to deposit 0500 g of ni metal on an electrode by passing a 300 amp current through a
a 30nc charged particle and a 50nc charged particle are near each other there are no other charges nearby the electric
how many grams of cobalt metal can be formed if a 200 amp current is passed through a solution of co2 for a period of
a 130 g copper bowl contains 240 g of water both at 200degc a very hot 440 g copper cylinder is dropped into the water
what is the minimum voltage needed to produce a reaction in the electrolysis of copperii sulfate using inert electrodes
a droplet of ink in an industrial ink-jet printer carries a charge of 2e-10 c and is deflected onto a paper by a force
1 is the sum of two mixed numbers always a mixed number why or why not2 provide an example to illustrate your answer to