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The balancing of chemical equations is d...

The balancing of chemical equations is done to satisfy which law

A

Law of Conservation of mass

B

Law of chemical combination

C

Both

D

None of the above

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The correct Answer is:
A
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Balancing Chemical Equations

What is a balanced chemical equation ?

Knowledge Check

  • A balanced chemical equation is based on

    A
    law of conservation of mass
    B
    law of constant proportions
    C
    law of multiple proportions
    D
    law of combining weights

  • A balanced chemical equation is based on

    A
    law of conservation of mass
    B
    law of constant proportions
    C
    law of multiple proportions
    D
    law of combining welghts

  • The balancing of chemical equations is based upon the law of

    A
    combining volumes
    B
    multiple proportions
    C
    conservation of mass
    D
    definite proportions.

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    Statement-I : The balancing of chemical equations is based on law of consevation of mass. Because Statement-II : Total mass of reactants is equal to total mass of products.

    A balanced chemical equation supports

    Assertion : Balancing a chemical equation is important to study a chemical reaction. Reason A balanced chemical equation tells about energy changes that take place.

    We know that balancing of a chemical equation is entirely bases on law of conservation of mass. However the concept of Principle of Atom Conservation (POAC) can also be related to law of consevation of mass in a chemical reaction. So, POAC can also act as a technique for balancing a chemical equation. For example, for a reaction: ABC_(3) rarr AB+C_(2) On applying POAC for A , B and C and related the equations , we get : (n_(ABC_(3)))/(2) =(n_(AB))/(2) =(n_(C_(2)))/(3) ( n_(x) : number of moles of X) Thus , the cofficients of ABC_(3) , AB and C_(2) in the balanced chemical equation will be 2,2 and 3 respectively and the balanced chemical equation can be represented as , 2ABC_(3) rarr 2AB + 3C_(2) Which of the following statements jis correct balanced chemical equation, pA+qB_(2) rarr rA_(2)B_(5)

    We know that balancing of a chemical equation is entirely bases on law of conservation of mass. However the concept of Principle of Atom Conservation (POAC) can also be related to law of consevation of mass in a chemical reaction. So, POAC can also act as a technique for balancing a chemical equation. For example, for a reaction: ABC_(3) rarr AB+C_(2) On applying POAC for A , B and C and related the equations , we get : (n_(ABC_(3)))/(2) =(n_(AB))/(2) =(n_(C_(2)))/(3) ( n_(x) : number of moles of X) Thus , the cofficients of ABC_(3) , AB and C_(2) in the balanced chemical equation will be 2,2 and 3 respectively and the balanced chemical equation can be represented as , 2ABC_(3) rarr 2AB + 3C_(2) For the unbalanced chemical equation given below, which of the following statement is correct? X+Y_(2) rarr XY_(3)

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