2 years ago

Where is the magnetic field of a bar magnet the strongest?

1 answer:

4 0

The correct answer is A. The magnetic field is strongest at the north pole and the south pole of a bar magnet. At the poles, the magnetic field is equally strong while the force is weaker at the middle of the bar. The field lines are closely packed at each pole and it gets wider as the lines get further from the pole.

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1. Write the balanced chemical equation for the synthesis of magnesium phosphide from its elements, including the word “energy”

Evgen [1.6K]

Answer:

3Mg(s) +2P(s) -------> Mg3P2(s) + energy

Keq= [Mg3P2]/[Mg]^3 [P]^2

Explanation:

The equation for the formation of magnesium phosphide from its elements is;

3Mg(s) +2P(s) -------> Mg3P2(s) + energy

Hence we can see that three moles of magnesium atoms combines with two moles of phosphorus atoms to yield one mole of magnesium phosphide. The equation written above is the balanced chemical reaction equation for the formation of the magnesium phosphide.

The equilibrium expression for the reaction K(eq) will be given by;

Keq= [Mg3P2]/[Mg]^3 [P]^2

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3 years ago

Which of the following statements is true about covalent bonds?

katrin [286]

Answer:

the answer is D.)

Explanation:

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What does creativity have to do with Science?

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creativity is the very element in science that helps us understand things. if we didn't have creative minds, we would never conduct experiments that help us discover things.

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NaOH is a strong base. Which two ions do you expect to find in a solution of NaOH?

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NaOH will dissociate as Na+ and OH- in the solution.

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