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Hi I need ur help Thank you CuCo3+2HCl=CuCl2+CO3+H2O What mass of cucl2 with react completely with 20 cm3 of 2000 mol cm3 of HCl? Calculate the % yield if 8.5g of chloride was pro
why is lead in both group I and II
Which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon Ans) We know the energy of electron goes on to become more negative as it reache
Why +ve P.F. gives nuclear instability where as -ve PF gives nuclear stability ?explain .
Conductance and conductivity: When a field (electric) is put across an aqueous ionic solution by applying a voltage between two parallel plate electrodes, the cations are attra
Explain cis- and trans-3-hexene Both cis- and trans-3-hexene should give the similar one alkyl halide product when they react with HI, and both would undergo catalytic hydroge
the nitride ion in lithium nitride is composed of 7 protons + 10 electrons. how?
applications of photochemistry in daily life
Bohr model of an atom could not account for : (1) Emission spectrum (2) Absorption spectrum (3) Line spectrum of hydrogen (4)Fine spectrum Ans: Fine spectrum
In a multi-electron atom, which of the following orbitals described by the three quantum members will have the same energy in the absence of magnetic and electric fields: (1)n=
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