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Igoryamba
3 years ago
11

If a solid line represents a covalent bond and a dotted line represents intermolecular attraction, which of the choices shows a

hydrogen bond? H 4 C ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ H − F H 3 N ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ H − O − H H − H H 2 O ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ H − CH 3
Chemistry
2 answers:
AnnyKZ [126]3 years ago
5 0

Answer:

H-O-H water

Explanation:

hydrogen bonds occur when hydrogen atom undergoes dipole-dipole attraction to an electronegative atom such as hydrogen and fluorine, oxygen or nitrogen

nordsb [41]3 years ago
5 0

Answer:

H 3 N ⋅ ⋅ ⋅ ⋅ ⋅ ⋅ H − O − H

Explanation:

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5 0
4 years ago
a sample of gas at a pressure of 5.1 atm and a temperature of 45 degrees celsius is heated. it’s pressure goes to 7.8 atm what i
zhannawk [14.2K]

Answer:

213.4°C.

Explanation:

Data obtained from the question:

Initial pressure (P1) = 5.1atm

Initial temperature (T1) = 45°C = 45°C + 273 = 318K

Final pressure (P2) = 7.8atm

Final temperature (T2) =..?

The new temperature can be obtained as follow:

P1/T1 = P2 /T2

5.1/318 = 7.8/T2

Cross multiply

5.1 x T2 = 318 x 7. 8

Divide both side by 5.1

T2 = 318 x 7. 8 /5.1

T2 = 486.4K

Finally, we shall convert 486.4K to celsius temperature. This can be done as follow:

T(°C) = T(K) – 273

T(K) = 486.4K

T(°C) = 486.4 – 273

T(°C) = 213.4°C.

Therefore, the new temperature is 213.4°C

3 0
3 years ago
Which describes a chemical properties
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This is based off the protons in the Periodic Table. but if it is a compound then it is from the reactions from contributors. 
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4 years ago
If Maria winks exactly 5 times every minute while she is awake and she sleeps exactly 8 hours a day, how many times does Maria w
irina1246 [14]
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3 years ago
What type of sedimentary rock is gypsum?
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Answer:

Gypsum is a chemical sedimentary rock.

Explanation:

It forms when large bodies of water are rich in calcium and sulfate.

6 0
3 years ago
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