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OleMash [197]
3 years ago
8

Which type of radioactive decay can pass through the body? A.alpha emission B.beta emission C.positron emission D.gamma rays

Chemistry
1 answer:
TEA [102]3 years ago
5 0
A beta emission radioactive decay can pass through the body.
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Calculate the freezing point of the solution containing 0.105 m k2s. calculate the boiling point of the solution above. -g
Licemer1 [7]
Quantity of K2S m = 0.105 m 
Number of ions i = 2(K) + 1(S) = 3
 Freezing point depression constant of water Kf = 1.86 
delta T = i x m x Kf = 3 x 0.105 x 1.86 = 0.586
 Freezing point = 0 - 0.586 = 0.586 C
 Boiling point constant of water Kb = 0.512
 delta T = i x m x Kb = 3 x 0.105 x 0.512 = 0.161
 Boiling point = 100 + 0.161 = 100.161 C
5 0
3 years ago
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8. What type of reaction is this:
arsen [322]

Answer:

The reaction mentioned in the question is a decomposition reaction.

Explanation:

Decomposition reaction is a specific type of chemical reaction in which the reactant molecule undergo break down to generate its respective products.

 NaCl ⇒ Na + Cl2

In the above reaction sodium chloride(NaCl) undergo decomposition or break down to generate Sodium(Na) and chlorine gas(Cl2).

3 0
3 years ago
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How many particles are in chemicals
stepan [7]

Answer:

6.022 x 10^23 particles

Explanation:

Chemists have chosen to count atoms and molecules using a unit called the mole (mol), from the Latin moles, meaning “pile” or “heap.”

One mole is 6.022 x 10^23 of the microscopic particles which make up the substance in question.

Hope this helped! :^)

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2 years ago
Question 3 Multiple Choice Worth 4 points)
Leviafan [203]

Answer: C.

Explanation:

Its C because a controlled experiment would make the pill's statement true.

(give me brainlist)

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3 years ago
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Based on the information in the table, which two elements are most likely in the same group, and why?
svetoff [14.1K]
The answer would be Bismuth and Nitrogen because they have the same number of valence electrons. Groups in the periodic table are arranged in columns. When it comes to neutral atoms, the number of valence electrons it has is equal to the main group of that element.
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2 years ago
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