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Viefleur [7K]
3 years ago
12

Food and medical procedures can expose people to radiation. Therefore, the effects of radiation from a nuclear power plant are n

ot a reason for concern.
Chemistry
2 answers:
iogann1982 [59]3 years ago
7 0
False, the radiation from food and medical procedures have very little consequences. The radiation from a nuclear power plant can kill people which makes it a very large problem if not contained properly.
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Mariana [72]3 years ago
5 0

Answer:

It's false

Explanation:

The radioactive materials of a nuclear plant emit ionizing radiation that can damage tissues. The radiation dose of a person is approximately 2.5 millisieverts per year by radiation from natural sources. Workers in a nuclear industry are exposed to approximately 4.5 millisieverts. Ionizing radiation transfers energy to cell molecules in tissues. As a consequence, these cell functions can be damaged temporarily or permanently. The severity depends on the type of radiation, the dose and the rate of absorption.

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If this same quantity of energy were transferred to 2.5 kg of water at it's boiling point what fraction of the water would be va
garik1379 [7]

Answer:

Fraction of water that can be vaporized = 0.0961 or 9.61%

<em>Note : The question is incomplete. The complete question is given below:</em>

<em>A serving of Cheez-Its releases 130 kcal (1 kcal = 4.18 kJ) when digested by your body.</em>

<em>If this same quantity of energy were transferred to 2.5 kg of water at its boiling point, what  fraction of the water would be vaporized?</em>

Explanation:

Energy released by a serving of Cheeze-Its = 130 kcal

Since 1 kcal = 4.18 kJ, 130 kcal = 130 * 4.18 kJ = 543.4 kJ

Heat of vaporization (evaporating or condensing) Hv, of water = 2260 J/g

From formula, quantity of heat, Q = mass  * heat of vaporization

mass of water = 2.5 kg = 2500 g

Q = 2500 g * 2260 J/g

Q  = 5650000 J = 5650 kJ

Therefore 2.5 kg of water requires 5650 kJ of heat for complete vaporization

Fraction of water that can be vaporized by 543.4 kJ energy = 543.4/5650

Fraction of water that can be vaporized = 0.0961 or 9.61%

7 0
4 years ago
Which of the following is a correctly balanced reaction equation?
kompoz [17]

Answer:

CaCl2 + 2NaOH -> 2NaCl + Ca(OH)2

Explanation:

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2 years ago
When gina was ten, she swam in the ocean for the first time. she remembers the feeling of kicking her feet, slicing her arms thr
Anestetic [448]
First you need to know what is a semantic memory
Semantic memory, is a more structured record of facts, meanings, concepts and knowledge about the external world that we have acquired.

So ,The element which is a semantic memory is learning from her father that salt water is more dense than fresh water.

Hope this helped :)
8 0
3 years ago
Mass is always_____ it’s weight
S_A_V [24]

Answer:

the same as

Explanation:

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3 years ago
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How do you fart without it stinking​
adell [148]

Do it then run away. LOL

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3 years ago
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