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Misha Larkins [42]
3 years ago
9

Help please! Which of earth's layers is responsible for creating the earth's magnetic field?

Chemistry
2 answers:
vesna_86 [32]3 years ago
8 0

Answer:

The outer core.

Explanation:

There is liquid metal, like iron, which creates electric currents going through the ground. When the Earth rotates on it's axis, it creates a magnetic field.

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KatRina [158]3 years ago
7 0

Answer:

inner core

Explanation:

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According to Le Châtelier’s Principle, the amount of solid reactant or product present does not have an impact on the equilibriu
sergiy2304 [10]

Answer: Option (b) is the correct answer.

Explanation:

According to Le Chatelier's principle, any disturbance caused in an equilibrium reaction will tend to shift the equilibrium in a direction away from the disturbance.

For example,   CaCO_{3}(s) + CO_{2}(aq) + H_{2}O(l) \rightleftharpoons Ca^{2+}(aq) + 2HCO^{-}_{3}(aq)

Hence, expression for equilibrium constant will be as follows.

        K_{eq} = \frac{[Ca^{2+}][HCO^{-}_{3}]^{2}}{[CO_{2}][H_{2}O]}

Since, the concentration for a solid substance is considered as 1 or unity. Therefore, adding or removing a solid will not affect the equilibrium.

Thus, we can conclude that according to Le Châtelier’s Principle, the amount of solid reactant or product present does not have an impact on the equilibrium because the solid does not appear in the equilibrium constant, so adding or removing solid has no effect.

3 0
4 years ago
¿Cuánto calor es necesario suministrar a 2 kilogramos de aluminio para que eleve su temperatura 20°C?
solong [7]

How much heat is necessary to supply 2 kilograms of aluminum to raise its temperature by 20 ° C?

Answer:

36000J

Explanation:

Given parameters:

Mass of aluminum = 2kg  = 2000g

Temperature rise  = 20°C

Unknown:

Amount of heat needed for the temperature change  = ?

Solution:

The amount of heat needed to cause this temperature rise is given as;

           H = m c (T₂ - T₁)

H is the amount of heat

m is the mass

c is the specific heat of aluminum = 0.9J/g°C

Insert the parameters and solve;

       H  = 2000 x 0.9 x 20 = 36000J

4 0
3 years ago
Earth’s mantle is a _____.
liubo4ka [24]
A layer of hot liquid rock
8 0
4 years ago
Read 2 more answers
Why is a wire used to connect the electrodes in an electrochemical cell?
jarptica [38.1K]

Answer:

D. So electrons can flow from one electrode to another

Explanation:

An electrochemical cell is any cell in which electricity is produced by reason of a chemical change.

An electrochemical cell consists of two electrodes, these two electrodes are connected using a wire.

Usually, electrons flow from one electrode to another via this wire thereby enabling the electrochemical processes of oxidation and reduction in the cell to proceed effectively.

5 0
3 years ago
Which of the following increases the average kinetic energy of colliding particles
Solnce55 [7]
I'm pretty sure the answer is Temperature
5 0
4 years ago
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