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Olegator [25]
3 years ago
13

The strength of a magnetic field follows _____.

Chemistry
2 answers:
Solnce55 [7]3 years ago
8 0

Answer: The correct answer is "law of poles".

Explanation:

Magnetic field lines are the area around the magnet in which the magnetic force can be experienced.

Law of poles: Like poles of the magnets repel each other with the magnetic force of repulsion. Unlike poles of the magnets attract each other with the magnetic force of attraction.

The direction of the magnetic field lines is from north pole to south pole. The strength of the magnetic field varies with the distance from the poles.

The strength of the magnetic field is stronger at the poles. It decreases from the poles.

The strength of the magnetic field does not follow an inverse square law. The gravity field and the electric field follow an inverse square law. The force from the magnet decreases faster than an inverse square law because all magnets have two opposite poles.

The strength of a magnetic field follows law of poles.

Therefore, the correct option is (D).

nordsb [41]3 years ago
5 0

d is correct answer

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Answer:

The type of collision is A. Inelastic collision.

Explanation:

The macroscopic collisions are generally inelastic and do not conserve the kinetic energy, although of course the total energy is conserved. The inelastic collision is one in which the objects that collide remain together after the collision.

So, a figure skater skating across ice, who grabs another skater and brings him along the ice with her is a clear example of inelastic collision.

6 0
3 years ago
Read 2 more answers
Easy Chemistry/ Help
Sauron [17]
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3 years ago
"A base is a substance that produce OH-ions." Which definition of a base is this?
Andru [333]

Answer:

C. Arrhenius

An Arrhenius base is a substance that dissociates in water to form hydroxide (OH–) ions. In other words, a base increases the concentration of OH– ions in an aqueous solution.

Explanation:

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3 0
3 years ago
Which distinguishes an atom of one element from an atoms of a different element?
dalvyx [7]

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The number of protons you welcome

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7 0
3 years ago
What stress will shift the following equilibrium system to the left?
Alona [7]

<u>Answer:</u> Increasing temperature

<u>Explanation:</u>

The Principle of Le Chatelier states that <u>if a system in equilibrium is subjected to a change of conditions, it will move to a new position in order to counteract the effect that disturbed it and recover the state of equilibrium. </u>

The variation of one or several of the following factors can alter the equilibrium condition in a chemical reaction:

  • Temperature
  • The pressure
  • The volume
  • The concentration of reactants or products

In the case of the reaction in the question, <u>the change that moves the balance to the left will be the one that moves it towards the reagents</u>, that is, that favors the production of reagents instead of products.

  • Decreasing the concentration of SO3 and increasing the concentration of SO2 <u>will favor the production of SO3</u>, which is the product of the reaction.
  • Decreasing the volume increases the pressure of the system and the balance will move to where there is less number of moles. In the case of the reaction in question, we have 3 moles of molecules in the reactants (1 mole of O2 + 2 moles of SO2) while in the products there are 2 moles of SO3 only, therefore, <u>decreasing the volume will displace the balance to the right</u>, which corresponds to the sense in which there is less number of moles.

The reaction of the question is an exothermic since ΔH <0, therefore in the reaction heat is produced and it can be written in the following way,

2SO2(g) + O2(g) ⇌ 2SO3(g) + heat

  • So, if we increase the temperature we will be adding heat to the system, so the balance would move to the left to compensate for the excess heat in the system.

5 0
3 years ago
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