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Volgvan
3 years ago
14

Explain what a covalent bond is, what types of elements form covalent bonds and give an example of 2 elements that could bond co

valently

Chemistry
1 answer:
tino4ka555 [31]3 years ago
8 0
Two non metal combined together and form the bond is called covalent bond
Note - yellow color molecules in pictures are non metal elements
example - co2 , so2,

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If an object is travelling 25.0 meters/second, how far will it travel in 45 minutes?
Misha Larkins [42]
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\\ \rm\longmapsto Distance=Speed(Time)

\\ \rm\longmapsto Distance=25(2700)

\\ \rm\longmapsto Distance=67500m

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3 years ago
Which compound is classified as a hydrocarbon? A) butanal B) butyne C) 2-butanol D) 2-butanone
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butyne

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Select the statements that correctly describe a buffer. a) An acid added to the buffer solution reacts with the weak base of the
Tom [10]

Answer:

  • <em>(B.) The pH of a buffer solution is determined by the ratio of the concentration of conjugate base to the concentration of strong acid.</em>
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Explanation:

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The pH of a buffer is calculated by the ratio of the concentration  of base to concentration of acid. The weak acid and conjugate base have a Ka similar to the pH desired.

3 0
3 years ago
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aleksandrvk [35]

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The moon revolves around the Earth.

8 0
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Can someone provide a answer with explanation for this question? Thanks!
zhuklara [117]

Answer:

Explanation:

B

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