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3 years ago

Which statement best describes the effect of beta particles on body tissue?

Chemistry

2 answers:

Kryger [21]3 years ago

6 0

Answer:

The correct answer is option C.

Explanation:

Alpha radiations are emitted by alpha particles imparts less amount of energy to the absorbing material.

Where as beta radiation by beta particles are more penetrating than the alpha particles and gamma rays are most penetrating radiations they can even penetrate through out a human body.

The order of penetration of these radiations from least to most is :

Alpha rays < Beta rays < gamma rays

Hence, the correct answer is option C.

mash [69]3 years ago

3 0

I think the answer is C

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In an exothermic reaction, the water will _______ in a calorimeter. A. release heat B. drop in temperature C. drop in volume D.

elena-14-01-66 [18.8K]

the correct answer is D, absorb heat

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3 years ago

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Water conservation is important for which of the following reasons?

Kay [80]

all of above becuase it's all conservation

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2 years ago

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Elements that are usually dull, brittle and do not conduct electricity are know as______.

Anton [14]

Answer:

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2 years ago

A certain electrolyte solution contains 1 gram of salt for every 8 grams of sugar and every 200 grams of water. If the sugar to

12345 [234]

Answer:

The resulting solution contains approximately 666 g of water.

Explanation:

In the initial solution we have:

1g salt : 8g sugar : 200g water

This means that the ratios are:

$\frac{salt}{sugar} = \frac{1}{8} \\\\\frac{sugar}{water} = \frac{8}{200} =\frac{1}{25}$

In the final solution we have:

5g salt: xg sugar: yg water

The new ratios are:

$\frac{salt}{sugar} = \frac{3}{8} \\\\\frac{sugar}{water} = \frac{1}{50}$

Now we can calculate the amount of sugar in the final solution:

$\frac{salt}{sugar} = \frac{5}{x} =\frac{3}{8} \\\\X = 13.333 g$

Finally, we calculate the amount of water:

$\frac{sugar}{water} = \frac{13.333}{y} = \frac{1}{50} \\y = 666.667 g$

4 0

3 years ago

Viết các đồng phân cấu tạo mạch hở của C4H6O2 cùng nhóm chức axit

Aleksandr-060686 [28]

Answer:

+ axit

CH2=CH-CH2-COOH,

CH3-CH=CH-COOH (tính cả đồng phân hình học)

CH2=C(CH3)-COOH.

+ este

HCOOCH=CH-CH3 (tính cả đồng phân hình học)

HCOO-CH2-CH=CH2,

HCOOC(CH3)=CH2.

CH3COOCH=CH2

CH2=CH-COOCH3

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3 years ago