Equation balancing a. S(s) + O2(g) → SO3(g) b. 2Al(s) + 3Cl2(g) ► 2AICI3(s) E. 2NaOH(s) + H2SO4(ac) —Na2So (ac) + H2O(l)

Equation balancing
a. S(s) + O2(g) → SO3(g)
b. 2Al(s) + 3Cl2(g) ► 2AICI3(s)
E. 2NaOH(s) + H2SO4(ac) —Na2So (ac) + H2O(l)
d. C3H8(g) + 50(g) -3C02(g) + 4H2O(g)

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  1. Answer:

    For a: The balanced equation is [tex]2S(s)+3O_2(g)\rightarrow 2SO_3(g)[/tex]

    For c: The balanced equation is [tex]2NaOH(s)+H_2SO_4(aq)\rightarrow Na_2SO_4(aq)+2H_2O(l)[/tex]

    Explanation:

    A balanced chemical equation is one where all the individual atoms are equal on both sides of the reaction. It follows the law of conservation of mass.

    • For (a):

    The given unbalanced equation follows:

    [tex]S(s)+O_2(g)\rightarrow SO_3(g)[/tex]

    To balance the equation, we must balance the atoms by adding 2 infront of both [tex]S(s)[/tex] and [tex]SO_3[/tex] and 3 in front of [tex]O_2[/tex]

    For the balanced chemical equation:

    [tex]2S(s)+3O_2(g)\rightarrow 2SO_3(g)[/tex]

    • For (b):

    The given balanced equation follows:

    [tex]2Al(s)+3Cl_2(g)\rightarrow 2AlCl_3(s)[/tex]

    The given equation is already balanced.

    • For (c):

    The given unbalanced equation follows:

    [tex]2NaOH(s)+H_2SO_4(aq)\rightarrow Na_2SO_4(aq)+H_2O(l)[/tex]

    To balance the equation, we must balance the atoms by adding 2 infront of [tex]H_2O(l)[/tex]

    For the balanced chemical equation:

    [tex]2NaOH(s)+H_2SO_4(aq)\rightarrow Na_2SO_4(aq)+2H_2O(l)[/tex]

    • For (d):

    The given balanced equation follows:

    [tex]C_3H_8(g)+5O_2(g)\rightarrow 3CO_2(g)+4H_2O(g)[/tex]

    The given equation is already balanced.

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