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  1. U

    Current state-of-the-art capacitors are capable of storing many times the energy of older ones....?

    Current state-of-the-art capacitors are capable of storing many times the energy of older ones. Such a capacitor, with a capacitance of 3.0 F, is able to light a small 0.70 W bulb at full power for 3.8 s before it quits. What was the terminal voltage of the battery that charged the capacitor?
  2. U

    Write the net ionic equations that occur in the following cells?

    Pb | Pb(NO3)2 || AgNO3 | Ag Zn | ZnCl2 || Pb(NO3)2 | Pb Pb | Pb(NO3)2 || NiCl2 | Ni
  3. U

    write the chemical equation and Ka/b expression for the dissociation of salt into ions?

    NaC2H3O2 and Na2CO3
  4. U

    write the chemical equation and Ka/b expression for the dissociation of salt into ions?

    NaC2H3O2 and Na2CO3
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