college chemistry

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if 75 g of ice at 0.0 degrees C were added to 1.5 L of water at 75 degrees C what would be the final temperature of the mixture

  • college chemistry -

    To melt ice requires q1 = mass ice x heat fusion.
    To raise T of melted ice at zero C to Tfinal requires q2 = mass melted ice x specific heat liquid H2O x (Tfinal-Tinitial)
    To cool the water from 75C to Tfinal requires q3 = mass liquid water x specific heat x (Tfinal-Tinitial).
    Just substitute q1 + q2 + q3 = 0 and solve for Tf.

  • college chemistry -

    how many molecules of h2o if formed from this equation Al2O3 + 3H2 ->2Al + 3H2O

  • college chemistry -

    Beats me

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