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ohaa [14]
3 years ago
15

Describe the relationship between the Law of Conservation of Matter and balancing equations.

Physics
2 answers:
Brilliant_brown [7]3 years ago
7 0

Detailed Explanation:

  • The Law of Conservation of Mass states that "In a chemical reaction, matter is neither created nor destroyed.".
  • We balance chemical equations in order to satisfy the Law of Conservation of Mass.
  • Balanced chemical equations show that mass is conserved in chemical reactions. In a balanced equation, there will be same number of each type of atom on both sides of the arrow.

Yuliya22 [10]3 years ago
3 0

Answer:

The mass of the products and reactants are the same on both sides of the equation.

The number of atoms of products and reactants are equal and hence it proves the law of conservation of mass.

.

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A charge q = 3 × 10-6 C of mass m = 2 × 10-6 kg, and speed v = 5 × 106 m/s enters a uniform magnetic field. The mass experiences
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Answer:

Magnetic field, B = 0.004 mT

Explanation:

It is given that,

Charge, q=3\times 10^{-6}\ C

Mass of charge particle, m=2\times 10^{-6}\ C

Speed, v=5\times 10^{6}\ m/s

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ma=qvB\ sin\theta

For minimum magnetic field,

ma=qvB

B=\dfrac{ma}{qv}

B=\dfrac{2\times 10^{-6}\ C\times 3\times 10^{4}\ m/s^2}{3\times 10^{-6}\ C\times 5\times 10^{6}\ m/s}

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or

B = 4 mT

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