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fomenos
2 years ago
10

Which of the following statements is true?

Chemistry
1 answer:
saul85 [17]2 years ago
6 0

Answer:

Explanation:

B)The compound potassium chloride (KCl) has different properties than potassium (K) and chlorine (Cl).

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Which one of the following is not a fossil fuel?
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The answer is C, Uranium.

Natural gas, coal, and oil are all naturally made from fossils. Uranium is an element which can be found on the Periodic Table of Elements.

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An objects mechanical energy is the sum of its?
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Which statement best describes plastics
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2 years ago
What can you infer about aspirin’s ester group?
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Answer:

Option B, aspirin’s ester group provides greater digestibility to aspirin

Explanation:

Aspirin ester group has three parts

  1. carboxylic acid functional group (R-COOH)
  2. ester functional group (R-O-CO-R')
  3. aromatic group (benzene ring)

Aspirin is a weak acid and hence it cannot dissolve in water readily. The reaction of Aspirin ester group with water is as follows -

aspirin

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Aspirin passes through the stomach and remains unchanged until it reaches the intestine where it hydrolyses ester to form the active compound.

8 0
3 years ago
What word or two-word phrase best describes the shape of the hydrogen cyanide ( hcn ) molecule?
elena-14-01-66 [18.8K]

Answer : Linear

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The carbon and nitrogen atoms are bonded through a triple bond which counts as "one electron pair".

The molecule has two electron pairs in all and appears to be linear.

Also, according to the VSEPR theory; the electron clouds on atoms around the carbon will try to repel each other.

They will get pushed apart, which gives HCN molecule a linear molecular geometry or shape.

The bond angle that is developed will be 180 degrees since it has a linear molecular geometry of HCN. The hybridisation observed in this molecule is SP.

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3 years ago
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