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SashulF [63]
3 years ago
5

A target is shielded from a radioactive sample by a sheet of metal. What kind of radiation can pass through the sheet of metal a

nd hit the target?
za
Chemistry
2 answers:
Crank3 years ago
6 0
Hey! The rays your question asks about are gamma rays. Hope I helped!
irina1246 [14]3 years ago
6 0

Answer:

The correct answer is gamma rays.

Explanation:

A gamma radiation or gamma rays refers to a penetrating electromagnetic emission originating from the atomic nuclei's radioactive disintegration. It comprises photons in the elevated range of photon strength. Of the radiations, gamma radiation is the most penetrating. Even a small quantity can penetrate through paper or thin metal.

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A mixture of CuSO4 · 5H2O and MgSO4 · 7H2O is heated until all the water is lost. If 5.127 g of the mixture gives 2.817 g of the
Nadusha1986 [10]

Answer:

Let the mixture is X% by mass of CuSO

4

.5H

2

O and 100 - X % by mass of MgSO

4

.7H

2

O. 5.0 g of mixture will contain 0.05X g CuSO

4

.5H

2

O and 5.0 - 0.05X g MgSO

4

.7H

2

O

The molar masses of CuSO

4

.5H

2

O and MgSO

4

.7H

2

O are 249.7 g/mol and 246.5 g/mol respectively.

The number of moles of CuSO

4

.5H

2

O=

249.7

0.05X

=2.00×10

−4

X moles.

Explanation:

Pls mark it as branliest answere thanks

3 0
2 years ago
Which one of these elements is an alkaline earth metal
In-s [12.5K]
The answer to this problem is Beryllium is an alkaline earth metal.
7 0
3 years ago
You find a compound composed only of element X and chlorine and you know that the compound is 13.10% X by mass. Each molecule of
8_murik_8 [283]

Answer:

Explanation:

So, the formula for the compound should be:

XCl_{6}

Now we assume that we have 1 mol of substance, so we can make calculations to know the molar mass of element X, as follows:

M_{Cl}=35.45g/mol\\

So we have that 6 moles weight 212.7g, and we can make a rule of three to know the weight of compound X:

212.7g\rightarrow 86.9\%\\x\rightarrow 13.1\%\\\\x=\frac{212.7g*13.1}{86.9} =32.06g

As we used 1 mol, we know that the molar mass is 32.06g/mol

So the element has a molar mass of 32.06 g/mol and an oxidation state of +6, with this information, we can assure that the element X is sulfur, so the compound is SCl_{6}

8 0
3 years ago
Whenever ___ energy is needed
vfiekz [6]
Well...........thanks for posting anyway. 
5 0
3 years ago
What is the capacity to do work known as?
yarga [219]

Answer:

it is energy

Explanation:

Energy is the ability to do work

6 0
3 years ago
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