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My name is Ann [436]
3 years ago
5

Difference between speed and velocity​

Chemistry
1 answer:
Alex17521 [72]3 years ago
4 0

Answer:

speed is a scalar quantity and velocity is a vector quantity.

Speed is distance/time and velocity is displacement/time

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A precipitate forms when mixing solutions of sodium fluoride (NaF) and lead II nitrate (Pb(NO3)2). Complete and balance the net
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Answer:

See explanation

Explanation:

The molecular equation shows all the compounds involved in the reaction.

The molecular equation is as follows;

2NaF(aq) + Pb(NO3)2(aq) -------> PbF2(s) + 2NaNO3(aq)

The complete ionic equation shows all the ions involved in the reaction

The complete ionic equation;

2Na^+(aq) + 2F^-(aq) + Pb^2+(aq) + 2NO3^-(aq) -------->PbF(s) + 2Na^+(aq) +2NO3^-(aq)

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The net ionic equation is;

2F^-(aq) + Pb^2+(aq)--------> PbF(s)

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