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denpristay [2]
3 years ago
5

How is electromagnetic energy transformed into heat energy

Chemistry
1 answer:
olga2289 [7]3 years ago
8 0
Radiant Energy is electromagnetic energy that travels in transverse waves. Radiant energy includes visible light, x-rays, gamma rays and radio waves. Light is one type of radiant energy. Sunshine is radiant energy, which provides the fuel and warmth that make life on Earth possible. 

<span>Heat travels from the sun by a process called radiation. Radiation is the transfer of heat by electromagnetic waves. When infrared rays strike a material, the molecules in that material move faster. In addition to the sun, light bulbs, irons, and toasters radiate heat. When we feel heat around these items, however, we are feeling convection heat (warmed air molecules) rather than radiated heat since the heat waves strike and energize surrounding air molecules. </span>

<span>A light bulb changes the chemical energy of the bulb into electromagnetic radiation, or light. Which in return gets transformed into heat (have you ever touched a light bulb? ouch!). </span>

When you heat up coffee in a microwave, you are transforming electromagnetic energy into heat.http://www.svsu.edu/mathsci-center/uploa... 

<span>People have started to utilize electromagnetic energy in the form of solar power, using solar panels to gather the radiant energy that comes from the sun and use it for electricity. For example, a pool that has solar heating panels. </span>
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A system that releases heat to the surroundings, an exothermic reaction, has a negative ΔH by convention, because the enthalpy of the products is lower than the enthalpy of the reactants of the system. The enthalpies of these reactions are less than zero, and are therefore exothermic reactions

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A solar powered car converts __________ energy into _____________ energy.
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B

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Calculate the number of molecules?
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Which of the following can be characterized as a physical change?
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D. Sweat evaporates from your skin

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A physical change is a reversible process, no new substance is formed. A physical change does not affect the chemical composition of a substance.

Sweat evaporation from the skin is a physical change, because the change that occur is merely a change of state, Liquid to Gaseous state, no new substance is formed.

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Herbivores are animals that eat plants. Carnivores are animals that eat other animals. The table shows data about several carniv
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A.  Herbivores have longer digestive systems than carnivores have.

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We can conclude that the herbivores have longer digestive systems compared to carnivores.

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  • Most herbivores have a four stomach compartment system that helps them process and digest their food.
  • This is because they have to process cellulose in plants which needs to be properly broken down.
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  • The four stomach compartment of most herbivores includes Rumen, Reticulum, omasum and abomasum.
  • They also chew the cud whereby they regurgitate food materials.
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