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kiruha [24]
3 years ago
10

What happens to the amount of energy in the air of ChristChurch and El nino years​

Chemistry
1 answer:
Nana76 [90]3 years ago
7 0

Answer:

I t transfers from the ocean to the air, however the current is not as warm so less energy will transfer from the current to the air making ChrisstChurch cooler than usual.

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Pani-rosa [81]

Answer:

B-After the 3s sublevel is filled with two electrons, each additional electron goes into the 3p sublevel.

Explanation:

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3 years ago
As the atmospheric pressure decreases, the temperature at which water will boil
spin [16.1K]
As the atmospheric pressure decreases, the temperature at which water boils decreases too. An increase in pressure leads to an increase in boiling point while a decrease in pressure leads to a decrease in boiling point.
4 0
3 years ago
How many joules of heat are removed from a 21.0 g sample of water if it is cooled from 34.0°C
yaroslaw [1]

Answer:

527.184 J of heat is removed from a 21 g water sample if it is cooled from 34.0 ° C to 28.0 ° C.

Explanation:

Calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.

When the heat added or removed from a substance causes a change in temperature in it, this heat is called sensible heat.

In other words, the sensible heat of a body is the amount of heat received or transferred by a body when it undergoes a change in temperature without there being a change in physical state (solid, liquid or gaseous). The equation that allows to calculate this heat exchange is:

Q = c * m * ΔT

Where Q is the heat exchanged by a body of mass m, constituted by a substance of specific heat c and where ΔT=Tfinal-Tinitial is the change in temperature.

In this case:

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  • m=21 g
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Replacing:

Q= 4.184 \frac{J}{g*C} * 21 g* (-6 C)

Q= - 527.184 J

To lower the temperature, heat has to be given, for that the final temperature must be lower than the initial temperature; and it receives the name of transferred heat and has a negative value, as in this case.

<u><em> 527.184 J of heat is removed from a 21 g water sample if it is cooled from 34.0 ° C to 28.0 ° C.</em></u>

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When I googled how to balance this chemical equation K2CrO4+NaHSO3+H2O=NaHSO4+KOH+Cr(OH)3 they gave me the balanced form of 2K2C
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3 years ago
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