1.what is the difference between focus and epicenter?

1 answer:

8 0

1. The point inside the crust where the pressure is released is called the focus . The point on the Earth's surface above the focus is called the epicentre . Earthquake energy is released in seismic waves.

2. The magnitude of an earthquake is related to the total area of its fault rupture. ... When a fault ruptures unilaterally (with the epicenter at or near the end of the fault break) the waves are stronger in one direction along the fault.

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<u>Translated from Portuguese language:</u>

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The question is incomplete, the complete question is;

The equation below shows the products formed when a solution of silver nitrate (AgNO3) reacts with a solution of sodium chloride (NaCl).

AgNO3 + NaCl → NaNO3 + AgCl

(Reactants) → (Products)

In this equation, the total mass of the reactants is

A) equal to the mass of AgCl.

B) less than the mass of AgCl.

C) equal to the total mass of the products.

D) greater than the total mass of the products.

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The law of conservation of mass states that, in a given chemical reaction, mass can neither be created nor destroyed.

The implication of that is; the mass of reactants in a given chemical reaction must also be equal to the mass of the products.

For this given reaction, the mass of reactants is equal to the mass of the products since mass is neither created nor destroyed.

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