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alexira [117]
3 years ago
9

Please help me with this: Create 20 bullet points specifically about energy exchanges in Earth's systems. Also, it doesn't have

to be in 20 bullet points as long as it is about energy exchanges in Earth's systems in full paragraph that is fine too.
Chemistry
2 answers:
raketka [301]3 years ago
7 0

The below is about the energy exchanges in earth systems.                                                                                                          

<u>Explanation</u>:

  • Energy exchanges in earth systems are of many types.  The earth systems are atmosphere, geosphere, stratosphere, hydrosphere, and biosphere. All these earth systems exchange energy with each other.
  • The earth gains energy reflected from the sky. It converts that energy back to space. That energy is equally given to all the planets in the sky.
  • Each planet will absorb that energy and radiate heat. This heat is absorbed by all the places on the earth. So this is the energy exchange in the earth systems.                                                                                
maxonik [38]3 years ago
4 0

Energy exchanges in Earth's system revolves around Earth's main energy outputs which are visible and infrared radiation, reflected light and thermal infrared radiation. ultraviolet radiation and visible radiation,  gamma rays, X-rays and ultraviolet radiation.

Explanation:

  • Energy exchanges in Earth's system revolves around Earth's main energy outputs which are
  • visible and infrared radiation,
  • reflected light and thermal infrared radiation.
  • ultraviolet radiation and visible radiation,  
  • gamma rays,
  • X-rays and ultraviolet radiation.
  • The Sun, which makes the external processes that occur in the atmosphere, hydrosphere, and at Earth's surface,
  • The heat flowing from Earth's interior give power to the internal processes that produce volcanoes, earthquakes, and mountains.
  • The Sun also radiates huge amounts of energy.
  • Only a small portion of that energy hits the Earth, but it is enough to light our days, heat our air and land and it creates weather systems over the oceans and seas.
  • When the Sun's energy moves around the space, it reaches Earth's atmosphere and finally to the surface.
  • This heat energy is transferred throughout the planet's systems in three ways which are
  • by radiation,
  • by conduction, and
  • by convection.

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Explanation:

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A gas stream containing n-hexane in nitrogen with a relative saturation of 0.58 (as a fraction, multiply by 100% if you prefer %
kondor19780726 [428]

This problem is describing a gas mixture whose mole fraction of hexane in nitrogen is 0.58 and which is being fed to a condenser at 75 °C and 3.0 atm, obtaining a product at 3.0 atm and 20 °C, so that the removed heat from the system is required.

In this case, it is recommended to write the enthalpy for each substance as follows:

H_{C-6}=y_{C-6}C_v(T_b-Ti)+\Delta _vH+C_v(T_f-Tb)\\\\H_{N_2}=y_{N_2}C_v(T_f-Ti)

Whereas the specific heat of liquid and gaseous n-hexane are about 200 J/(mol*K) and 160 J/(mol*K) respectively, its condensation enthalpy is 31.5 kJ/mol, boiling point is 69 °C and the specific heat of gaseous nitrogen is about 29.1 J/(mol*K) according to the NIST data tables and y_{C-6} and y_{N_2} are the mole fractions in the gaseous mixture. Next, we proceed to the calculation of both heat terms as shown below:

H_{C-6}=0.58*200(69-75)+(-31500)+160(20-69)=-40036J/mol\\\\H_{N_2}=0.42*29.1(20-75)=-672.21J/mol

It is seen that the heat released by the nitrogen is neglectable in comparison to n-hexanes, however, a rigorous calculation is being presented. Then, we add the previously calculated enthalpies to compute the amount of heat that is removed by the condenser:

Q=-40036+(-672.21)=-40708.21J

Finally we convert this result to kJ:

Q=-40708.21J*\frac{1kJ}{1000J}\\\\Q=-40.7kJ

Learn more:

  • brainly.com/question/25475410
  • brainly.com/question/12625048
6 0
2 years ago
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zhenek [66]

Answer:

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It is so because, due to high temperature of desert some desert animals like camel have the storage of fat in humps or tails; some animals have large ears such as Jackrabbits, it helps to release body heat and adapt in high temperature; plants have thick water holding tissues to reduce water loss in heat and waxy coating that keeps  the plants cooler and reduce moisture loss.

Hence, the correct answer is "Desert".

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How many digits to the right of the decimal point should be used to report the result?
aalyn [17]

Answer:

In engineering and science the common stand is two places.

For example if you get a calculation of 4.567 round up and give the result of 4.57

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