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navik [9.2K]
3 years ago
5

How many hydrogen atoms are in the unbranched alkane with 15 carbon atoms?

Chemistry
2 answers:
zlopas [31]3 years ago
8 0

Answer:

32 hydrogen atoms

Explanation:

Alkanes are saturated hydrocarbons, that is, organic compounds formed just by carbon and hydrogen bonded through single covalent bonds.

The general formula for alkanes is CnH2n+2.

When n = 15, 2n+2 is 2 × 15 + 2 = 32. The resulting formula is C₁₅H₃₂, with 32 H atoms in each molecule.

PSYCHO15rus [73]3 years ago
6 0

A non cyclic alkane always has a number of hydrogen atoms equal to 2c + 2, where c is the number of carbon atoms. Therefore, hexadecane, an alkane with 15 carbon atoms, will have  32 hydrogen atoms.

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The boiling point elevation of an aqueous sucrose is found to be 0.39 Celsius. What mass of sucrose (molar mass = 342.30g/mol) w
FromTheMoon [43]

Answer:

130 g of sucrose

Explanation:

Boiling point elevation formula → ΔT = Kb . m

ΔT = Boiling T° solution - Boiling T° pure solvent → 0.39°C

0.39°C = 0.513°C/m . M

m = 0.760 mol/kg → molality = moles of solute / 1kg of solvent

Let's determine the moles of solute → molality . kg

0.760 mol/kg. 0.5 kg = 0.380 moles

If we convert the moles to mass, we'll get the answer

0.380 mol . 342.30 g/mol = 130g

7 0
3 years ago
Consider the following balanced equation:
Serga [27]
<span>Zn⁰ + 2H⁺ ------> Zn²⁺ + H2⁰

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</span><span>Answer is
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4 0
3 years ago
Someone please help me I got a few minutes
HACTEHA [7]

Answer:

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In the reaction catalyzed by the pyruvate dehydrogenase complex, the two carbons constituting the acetyl group are
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Transferred to the lipoamide by an earlier intermediate in the process.

The pyruvate dehydrogenase complex (PDC) is a mitochondrial multienzyme complex composed of three different enzymes

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the pyruvate dehydrogenase complex is the bridge between glycolysis and the citric acid cycle

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Learn more about Pyruvate dehydrogenase complex here:

brainly.com/question/16346028

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4 0
2 years ago
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PtichkaEL [24]

Answer:

4. -ol

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Explanation:

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5 0
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