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XXIRISXXX
XXIRISXXX asked in Education & ReferenceHomework Help · 1 decade ago

help! my science homework is attacking my brain again?! any scientists out there>!?

k i need NaOH+H2SO4 (arrow) Na2SO4+H2O simplified and what type of equation is it and then Pb(NO3)2+ K2CrO4 (arrow) PbCrO4+KNO3 and what kind of equation that is!

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  • julidyn b
    1 decade ago
    Favorite Answer

    1. it's not balance it should be,

    2NaOH+H2SO4 (arrow) Na2SO4+2H2O

    double replacement reaction or metathesis

    2. it's not balance it should be,

    Pb(NO3)2+ K2CrO4 (arrow) PbCrO4+2KNO3..

    again, double replacement reaction or metathesis

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