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gregori [183]
3 years ago
7

Which profession is likely to use a radiation shield

Chemistry
2 answers:
Anna35 [415]3 years ago
5 0
The correct answer would be, A Dentist.
zhannawk [14.2K]3 years ago
4 0
<span>it is D geologist....................</span>
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Letter D

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arsenic

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how much hydrogen will be released during the interaction of potassium weighing 8 grams with hydrochloric acid
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2 HCl (aq) + Zn (s) → ZnCl2 (aq) + H2 (g)

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4 0
2 years ago
Calculate the heat change involved when 2.00 L of water is heated from 20.0/C to 99.7/C in
IgorC [24]

Answer:

669.48 kJ

Explanation:

According to the question, we are required to determine the heat change involved.

We know that, heat change is given by the formula;

Heat change = Mass × change in temperature × Specific heat

In this case;

Change in temperature = Final temp - initial temp

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                                       = 79.7° C

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Therefore;

Heat change = 2000 g × 79.7 °C × 4.2 J/g°C

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7 0
3 years ago
So i have this question for science.- What is the element with the atomic number 7. Thank you.
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