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m_a_m_a [10]
3 years ago
6

The diagram shows an artery from somebody suffering with a disease that effects the

Chemistry
1 answer:
const2013 [10]3 years ago
8 0
Coronary heart disease
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yanalaym [24]

Answer:

helium , krypton,xenon,radon, argon are noble gasses

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3 years ago
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What is the percent by volume of ethanol (C2H60, or ethyl alcohol) in the final solution when 90 mL of ethanol is diluted to a v
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Answer:

16.0%.

Explanation:

Volume percent of a substance is the ratio of the substance volume to the solution volume multiplied by 100.

V % of ethanol = (volume of ethanol / volume of the solution) x 100.

volume of ethanol = 90.0 mL, volume of the solution = 550.0 mL.

∴ V % of ethanol = (90.0 mL / 550.0 mL) x 100 = 16.36% ≅ 16.0%.

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3 years ago
Convert 22 grams of copper Il chloride (Cucl2) to moles. <br>with work please ​
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Many tests to distinguish aldehydes and ketones involve the addition of an oxidant. Only __________ can be easily oxidized becau
tatiyna

Answer:

  1. Aldehydes
  2. A hydrogen atom
  3. Oxygen

Explanation:

Many tests to distinguish aldehydes and ketones involve the addition of an oxidant. Only <u>aldehydes</u> can be easily oxidized because there is<u> a hydrogen atom</u> next to the carbonyl and oxidation does not require<u> oxygen </u>

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If element A is in Group 2 and element B is in Group 17, what will be the formula if they bond together?
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AB

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When combining two elements in different groups, you would just put them together unless you have two or more of each element

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