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frosja888 [35]
3 years ago
8

List three things that rely on the Sun as the major source of energy​

Chemistry
2 answers:
valkas [14]3 years ago
6 0

Answer:

Three things that rely on the sun for energy is coal,oil, and natural gases

Explanation:

We use engery too cook our food that's an example of how gases are used.

We run our cars .Cars use oil.

And we use electricity for lights. You need coal for the electricity

Ede4ka [16]3 years ago
4 0

Answer:  

<u>*Sun sends oxygen so all living kind (humans, plants, animals etc.) can live</u>

<u>*The sun sends heat to the earth so it wouldnt freeze</u>

<u>*We can use the sun as to create solar energy </u>

Explanation: I hope this helps <3

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s344n2d4d5 [400]

Answer:

military time

Explanation:

military time

5 0
3 years ago
What is the effect of pressure on boiling point??? 1 mark answer plsss
d1i1m1o1n [39]

Answer:

direct effect

Increasing the pressure increases the boiling point and decreasing the pressure decreases the boiling point

8 0
3 years ago
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The first-order rearrangement of CH3NC is measured to have a rate constant of 3.61 x 10-15 s-1 at 298 K and a rate constant of 8
laiz [17]

Answer:

The correct answer is 160.37 KJ/mol.

Explanation:

To find the activation energy in the given case, there is a need to use the Arrhenius equation, which is,  

k = Ae^-Ea/RT

k1 = Ae^-Ea/RT1 and k2 = Ae^-Ea/RT2

k2/k1 = e^-Ea/R (1/T2-1/T1)

ln(k2/k1) = Ea/R (1/T1-1/T2)

The values of rate constant k1 and k2 are 3.61 * 10^-15 s^-1 and 8.66 * 10^-7 s^-1.  

The temperatures T1 and T2 are 298 K and 425 K respectively.  

Now by filling the values we get:  

ln (8.66*10^-7/3.61*10^-15) = Ea/R (1/298-1/425)

19.29 = Ea/R * 0.001

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3 0
3 years ago
Dry ice changes from a solid directly into a gas at room temperature. Sublimation is the transition of a substance directly from
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Answer:

The process in which a solid changes directly to a gas is called sublimation. It occurs when the particles of a solid absorb enough energy to completely overcome the force of attraction between them. Dry ice (solid carbon dioxide, CO2) is an example of a solid that undergoes sublimation.

3 0
3 years ago
A solution of sulfuric acid has a concentration of 0.0980 g/L. If the density of the acid is 1.84 g/mL, what is the concentratio
mariarad [96]
The answer is 98ppm.

The ppm (Parts per million) is also a concentration unit. 1 ppm is equivalent to 1mg/L
Now, concentration of the solution of sulfuric acid is 0.0980 g/L.
We rewrite, 0.0980 g = 0.0980*1000 mg = 98mg
Therefore, the concentration of the sulfuric acid solution is 98 mg/L = 98 ppm.
6 0
3 years ago
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