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Q: The peak intensity of radiation from Mars is about 14,000 nm. What is the average surface temperature of Mars rounded to the nearest whole number? 207 K 406 K 4,857 K Mars does not emit radiation.
A: use Wien's Displacement Law When the temperature of a blackbody radiator increases, the overall radiated energy increases and the peak of the radiation curve moves to shorter wavelengths. [ When the maximum is evaluated from the Planck radiation formula, the product of the peak wavelength and the temperature is found to be a constant. Calculation This relationship is called Wien's
displacement law and is useful for the determining the temperatures of hot radiant objects such as stars, and indeed for a determination of the temperature of any radiant object whose temperature is far above that of its surroundings. It should be noted that the peak of the radiation curve in the Wien relationship is the peak only because the intensity is plotted as a function of wavelength. If frequency or some other variable is used on the horizontal axis, the peak will be at a different wavelength. ]
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Original conversation
User: There are elements in the surface of the Sun that do not exist on Earth. True False

User: The peak intensity of radiation from Mars is about 14,000 nm. What is the average surface temperature of Mars rounded to the nearest whole number? 207 K 406 K 4,857 K Mars does not emit radiation.

Weegy: use Wien's Displacement Law When the temperature of a blackbody radiator increases, the overall radiated energy increases and the peak of the radiation curve moves to shorter wavelengths. [ When the maximum is evaluated from the Planck radiation formula, the product of the peak wavelength and the temperature is found to be a constant. Calculation This relationship is called Wien's displacement law and is useful for the determining the temperatures of hot radiant objects such as stars, and indeed for a determination of the temperature of any radiant object whose temperature is far above that of its surroundings. It should be noted that the peak of the radiation curve in the Wien relationship is the peak only because the intensity is plotted as a function of wavelength. If frequency or some other variable is used on the horizontal axis, the peak will be at a different wavelength. ]
wiwit|Points 688|

User: You can only see stars whose peak intensity of radiation is in the visible band. True False

User: A type M star is likely to appear _____. white blue green red

User: Which of the following materials is able to absorb large amounts of energy without changing temperature very much? air concrete water soil

Weegy: However, hydration occurs only if water is available and if the concrete's ... Air-entrained concrete contains billions of microscopic air cells per cubic foot. .... water. [ External sources of alkali from soil, deicers and industrial processes can also .. ]
TonioL|Points 110|

User: All scientists agree that the current warming trend is caused by human activity. True False

User: Arrange the following three stars from hottest to coolest. Star P = type B Star Q = type K Star R = type F P, Q, R R, Q, P P, R, Q Q, R, P

Weegy: Please hold on while I contact an expert.
ariesmom79|Points 75|

User: The Moon only reflects radiation; it does not emit any radiation. True False

Weegy: That is true.
miss186|Points 716|

User: Which of the following would decrease your carbon footprint? using paper bags using plastic bags using any bag more than once

Weegy: Paper bags,decrease carbon footprint.
yumdrea|Points 30|

User: The peak intensity of radiation from Mars is about 14,000 nm. In what spectral band is this? ultraviolet radio waves visible light infrared radiation

Weegy: The peak intensity of radiation from Mars is about 14,000 nm. In what spectral band is this? Infrared radiation.
torngal68|Points 50|

User: Two elements in the same chemical family can have the same spectrum. True False

User: Bleaching is an outcome of ocean acidification that directly affects _____. clams sharks coral reef fish

Weegy: Bleaching is an outcome of ocean acidification that directly affects CORAL REEFS.
andrewpallarca|Points 22345|

User: A blackbody curve relates the wavelength of emitted light to _____. intensity color frequency speed

Weegy: blackbody curve relates the wavelength of emitted light to intensity.
OxTornado007|Points 6869|

User: A drop of vinegar (a weak acid) is placed on a sample of each of the materials below. Which will show the most active reaction? glass marble copper steel

Weegy: Answer is B. Marble is calcium carbonate, which fizzes in acid. The others are (relatively) inert.
Pitttypang|Points 143|

User: Which of the following has a natural pH that is basic? rain fresh water lakes sea water tap water

Weegy: The sea water has a natural pH that is basic. The pH is 8.
Expert answered|nami008|Points 61|

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Asked 6/5/2013 5:12:20 PM
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