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Yuri [45]
1 year ago
14

A lead apron is a ________________ instrument classification of disease transmission. Fill in the blank

Chemistry
1 answer:
pochemuha1 year ago
7 0

Answer:

A lead apron is a <u>non-critical </u> instrument.

Hope it helps!

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Although I am solid, I am so light that I can float in any liquid listed on the chart. What am I?-----
evablogger [386]

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I know that Aerogel is the lightest metal in existence, but I don't think it would help much with your answer. I mean you can give it a try?

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Lucia drew a diagram to compare animal cells and plant cells. Which label belongs in the area marked Y?
Juli2301 [7.4K]

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Golgi body

Explanation:

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What is the energy released or absorbed as heat when one mole of a compound is produced by combination of its elements? select o
suter [353]
B and D is out. It cant be A because heat of combustion is substance not compound. So the answer is D.
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3 years ago
What element is similar to Baruim
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2 years ago
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The strength of a covalent bond depends upon the size of the atoms and the bond order. In general short bonds are strong bonds.1
Oksana_A [137]

Answer:

<u>Bond energy of</u> (A) C≡C > (B) C=C

<u>and, </u>(C) C=N > (D) C-N

Explanation:

Bond energy refers to the amount of energy required to break a bond or the energy released when a bond is formed. Bond energy of a covalent bond suggests the bond strength of the chemical bond and depends on the <u>bond length and bond order of the chemical bond. </u>

<u>The bond energy of a chemical bond increases with the bond order and decreases with the bond length</u>. As, length of a bond decreases with increase in the bond order.

First pair: (A) C≡C (B) C=C

The bond order of C≡C - 3, the bond order of C=C - 2

Since the bond order: C≡C > C=C

Bond length: C≡C < C=C

<u>Therefore, bond energy of (A) C≡C > (B) C=C</u>

Second pair: (C) C=N (D) C-N

The bond order of C=N - 2, the bond order of C-N - 1

Since the bond order: C=N > C-N

Bond length: C=N < C-N

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8 0
3 years ago
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