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aleksklad [387]
3 years ago
15

Why water in considered as compound?​

Chemistry
2 answers:
stira [4]3 years ago
5 0

Answer:

Water is a compound. It contains more than one element: hydrogen and oxygen atoms are joined together; as illustrated in the video clip Elements and Compounds, above. ... Water is not simply a mixture of hydrogen and oxygen; it contains hydrogen and oxygen atoms linked together in an ordered way.

gladu [14]3 years ago
4 0

Answer with Explanation:

Water is a<em> compound </em>because it consists of<u> two types of atoms</u> <em>(Hydrogen and Oxygen)</em> that are chemically bonded. An<em> "element"</em> only consists of one type of atom, therefore, water is not an element but a compound. Its chemical formula is: H_{2} O. This means that water consists of <u> 2 atoms of Hydrogen that are bonded to an atom of Oxygen.</u> Take note that a compound is <em>different compared to the elements that it is made of</em>. For example, water is essentially liquid in its form but it is different from the atoms of Hydrogen and Oxygen, which are gas in form.

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Tin (II) fluoride, formerly found in many kinds of toothpaste, is formed in this reaction: Sn (s) + 2HF (g) ——&gt; SnF2 (s) + H2
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1.34 L of HF

Explanation:

We have the following chemical reaction:

Sn (s) + 2 HF (g) → SnF₂ (s) + H₂ (g)

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number of moles = mass / molecular weight

number of moles of SnF₂ = 5 / 157 = 0.03 moles

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Now at standard temperature and pressure (STP) we can use the following formula to calculate the volume of HF:

number of moles = volume / 22.4 (L/mole)

volume of HF = number of moles × 22.4

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Learn more about:

problems with gases at STP

brainly.com/question/8857334

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Scientist use their knowledge of the half-life of carbon and uranium isotopes to measure the age of the rock or fossil .
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c tarnishes in air

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3 years ago
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