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silver and copper voltmeter are connected in parallel with a battery of e.m.f. 12V in 30 minute 1 gm of silver and 1.8 gm of copper are liberated the enegy supplied by the battery is? ...

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a current is passed through a resistor. let K1 and K2 represent the average kinetic energy of conduction electrons and metal ions respectively. a)K1<K2, b) K1=K2 ,c) K1>K2 ,d) any of these three may occur ...

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the resistivity of copper is 0.015 micro ohm-m at 300 K addition of each atomic % of Ni and Ag causes an increase in resistivity by 0.012 micro ohm-m and 0.16 micro ohm-m respectively calculate resistivity of Cu-Ni-Ag alloy a ...

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2sin-1x + cos-1y +3sec-1z = 10(sin-1+cos-1w) [x,y,z are in suitable range] .The value of Tan-1 modulus of {x+1/ (y+2)(z+3)} = ? ...

Hey friends! this is aakash sherawat asking you people to give a bit of help in making me learn a bit of chemistry! By the way I am asking you people that in the group chemistry are we supposed to learn the uses of the indivi ...

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The highest oxidation state is exhibited in oxoanions of a metal. Why?? My answer is that oxygen has very high electronegativity and can form multiple bonds. Am i correct?? ...

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in case of bi-molecular collisions we calculate the value of b(in volume correction )as 8Ï€r3/3 (for one molecule) can somebody give me the value of b in case of tri-molecular collision and tetra-molecular collision ...

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N2O4 is 25% dissociated at 37degree C and at one atmsphere pressure calculate d Kp and d percentage of dissociation at .1atmsphere and 37 degree C here i found Kc first and then converted it into Kp wid d help o' formula ...

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Consider the following reaction: MnO2 + 4HCL → MnCl2 + Cl2 +2H2O Equivalent mass of MnO2 and HCl are ............... M and M' are the molar masses of MnO2 and HCl respectively ...

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