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tamaranim1 [39]
3 years ago
7

What is a functional group?

Chemistry
2 answers:
sladkih [1.3K]3 years ago
8 0
<span>a group of atoms responsible for the characteristic reactions of a particular compound.

Hope that is the answer your looking for!!

</span>
bonufazy [111]3 years ago
6 0
a group of atoms responsible for the characteristic reactions of a particular compound
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Which describes the polarity in a water molecule?
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<span>Water is considered as a polar molecule because its electrons has an uneven distribution. It has a partial negative charge and a partial positive charge on both ends of the molecule. </span>I hope my answer has come to your help. God bless and have a nice day ahead!
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matrenka [14]
Osmosis is the diffusion of water from a high concentration to a lower concentration
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A gas sample is collected in a 0.279 L container at 22.7 °C and 0.764 atm. If the sample has a mass of 0.320 g, what is the iden
Sindrei [870]

Answer:

HCl

Explanation:

<em>Choices:</em>

<em>CO: 28.01g/mol</em>

<em>NO₂: 46g/mol</em>

<em>CH₄: 16.04g/mol</em>

<em>HCl: 36.4g/mol</em>

<em>CO₂: 44.01g/mol</em>

<em />

It is possible to identify a substance finding its molar mass (That is, the ratio between its mass in grams and its moles). It is possible to find the moles of the gas using general ideal gas law:

PV = nRT

<em>Where P is pressure of gas 0.764atm; V its volume, 0.279L; n moles; R gas constant: 0.082atmL/molK and T its absolute temperature, 295.85K (22.7°C + 273.15).</em>

Replacing:

PV = nRT

PV / RT = n

0.764atm*0.279L / 0.082atmL/molKₓ295.85K = n

<em>8.786x10⁻³ = moles of the gas</em>

<em />

As the mass of the gas is 0.320g; its molar mass is:

0.320g / 8.786x10⁻³moles = 36.4 g/mol

Based in the group of answer choices, the identity of the gas is:

<h3>HCl</h3>

<em />

4 0
3 years ago
The term “periodic” helps identify _______ that occur in the table, like electronegativity or atomic radii.
stepan [7]

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Explanation:

IM SO SORRY IF ITS WRONG KSDBDZDH

8 0
3 years ago
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HELP PLEASE ITS JUST MULTIPLE CHOICE
morpeh [17]

Answer:

Atoms are indivisible

I had a hard time finding this out.

Explanation: Dalton's atomic theory was the first complete attempt to describe all matter in terms of atoms and their properties. Dalton based his theory on the law of conservation of mass and the law of constant composition. The first part of his theory states that all matter is made of atoms, which are indivisible.

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