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miss Akunina [59]
3 years ago
15

The radius of an atom is closest in size to a​

Chemistry
1 answer:
Zigmanuir [339]3 years ago
3 0
The answer is:

Nanometer
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Positron Emission Tomography (PET) is an advanced medical scanning technique. Fluorine-18 is a commonly used isotope for PET sca
TiliK225 [7]

Answer:

Option D. equation D

Explanation:

Positron is simply a beta plus decay or superscript 0 e subscription 1 (0 1 e).

Now, let us consider the options given:

Option A is emitting alpha decay

Option B is emitting beta minus decay.

Option C is emitting beta minus decay.

Option D is emitting beta plus decay also known as Positron.

3 0
3 years ago
50g nitrous oxide combines with 50g oxygen form dinitrogen tetroxide according to the balanced equation below.
photoshop1234 [79]

Limiting reactant : O₂

Mass of  N₂O₄ produced = 95.83 g

<h3>Further explanation</h3>

Given

50g nitrous oxide

50g oxygen

Reaction

2N20 + 302 - 2N204

Required

Limiting reactant

mass of N204 produced

Solution

mol N₂O :

\tt =\dfrac{50}{44}=1.136

mol O₂ :

\tt =\dfrac{50}{32}=1.5625

2N₂O+3O₂⇒ 2N₂O₄

ICE method

1.136    1.5625

1.0416  1.5625    1.0416

0.0944    0          1.0416

Limiting reactant : Oxygen-O₂

Mass N₂O₄(MW=92 g/mol) :

\tt =mol\times MW=1.0416\times 92=95.83~g

7 0
3 years ago
2 days Claire went missing, the body of a young girl was found in an abandoned building. There were 2 blowfly larvae on the body
KengaRu [80]

Answer:

Yes it is possible that the body might be Claire's

Explanation:

It is possible because the scenario says that it had similar appearances that Claire had

8 0
3 years ago
Based on this chemical equation KNO3 --&gt; KNO2 + O2
TEA [102]
It’s decomposition. The compound is being broken apart into two different things aka decomposing.
6 0
3 years ago
Why is Potassium hydroxide considered a strong base?
zloy xaker [14]

Answer:

KOH is a strong base, and therefore dissociates completely into negative  and positive ions in water solution. pH 8.35 is a high pH (> 7), therefore this is a basic solution. 4.

Explanation:

7 0
3 years ago
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