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Brut [27]
3 years ago
11

Hen one atom contributes both bonding electrons in a single covalent bond, the bond is called a(n) ____.

Chemistry
1 answer:
Kaylis [27]3 years ago
4 0
Hello  <span>Squirrel9177 
</span><span>

Answer: Wh</span>en one atom contributes both bonding electrons in a single covalent bond, the bond is called a coordinate covalent bond


Hope This Helps!
-Chris
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20. A substance with a high volatility A. has a high boiling point. B. tends to stay in the liquid or solid phase. C. readily ev
mestny [16]

According to this question, a substance with a high volatility readily evaporates.

<h3>What is volatility?</h3>

Volatility is the characteristics of a material which describes how readily the material undergo vaporization.

Volatile substances readily change phase from solid or liquid to gases via the process of vaporization.

Therefore, according to this question, a substance with a high volatility readily evaporates.

Learn more about volatility at: brainly.com/question/1603761

8 0
2 years ago
A compound has a percent composition of 54.5% carbon, 9.3% hydrogen and 36.2 % oxygen.If its molar mass is 88 g/mol, what is its
drek231 [11]

Answer:

C₄H₈O₂.

Explanation:

  • Firstly, we can calculate the no. of moles (n) of each component using the relation:

<em>n = mass/atomic mass,</em>

mol C = mass/(atomic mass) = (54.5 g)/(12.0 g/mol) = 4.54 mol.

mol H = mass/(atomic mass) = (9.3 g)/(1.0 g/mol) = 9.3 mol.

mol O = mass/(atomic mass) = (36.2 g)/(16.0 g/mol) = 2.26 mol.

  • To get the empirical formula, we divide by the lowest no. of moles (2.26 mol) of O:

∴ C: H: O = (4.54 mol/2.26 mol) : (9.3 mol/2.26 mol) : (2.26 mol/2.26 mol) = 2: 4: 1.

<em>∴ Empirical formula mass of (C₂H₄O) = 2(atomic mass of C) + 4(atomic mass of H) + 1(atomic mass of O) =</em> 2(12.0 g/mol) + 4(1.0 g/mol) + (16.0 g/mol)<em> = 44.0 g/mol.</em>

∴ Number of times empirical mass goes into molecular mass = (88.0 g/mol)/(44.0 g/mol) = 2.0 times.

∴ The molecular formula is, 2(C₂H₄O), that is; <em>(C₄H₈O₂)</em>

4 0
4 years ago
Which type of land biome is created and/orsubstained by a rain shadow
lana [24]
If you can’t figure it out You should l look it up in the internet
7 0
4 years ago
Butane gas reacts with oxygen gas to give carbon dioxide gas and water vapor (gas). If you mix butane and oxygen in the correct
Fittoniya [83]

Answer:

118.776 mmHg

Explanation:

The equation of the reaction is;

C4H10(g) + 13/2 O2(g) ------> 4CO2(g) + 5H20(g)

Now the mole ratio  according to the balanced reaction equation is;

1 : 6.5 : 4 : 5

Hence, the total number of moles present = 1 + 6.5 + 4 + 5 = 16.5 moles

Mole fraction of water vapour = 5/16.5 = 0.303

We also know that;

Partial pressure= mole fraction * total pressure

Partial pressure of H20(g) = 0.303 *  392 mmHg = 118.776 mmHg

7 0
3 years ago
If 20 ml of a 0.5 M sodium hydroxide solution is necessary to neutralize 40 ml of an acid solution, what is the concentration of
leonid [27]

Answer: The concentration of the acid is 0.01 moles acid/0.040 L = 0.25 moles/L = 0.25 M

Explanation:

8 0
3 years ago
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