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ivanzaharov [21]
3 years ago
11

d. Butanol has the chemical formula C4H,OH. Write and balance the chemical reaction for the combustion of butanol.​

Chemistry
1 answer:
valentina_108 [34]3 years ago
7 0

Answer:

C4H9OH + 6O2 → 4CO2 + 5H2O

Explanation:

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A buffer solution is prepared by adding 13.74 g of sodium acetate (NaC2H3O2) and 15.36 g of acetic acid to enough water to make
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A buffer solution is prepared by adding 13.74 g of sodium acetate (NaC2H3O2) and 15.36 g of acetic acid to enough water to make 500 mL of solution.

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Explanation:

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The pH of the given buffer solution can be calculated as shown below:

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Which of the following reactions could be used to extract the lead from the lead nitrate?
alexgriva [62]

Answer:

Option b. Decomposition

Followed by a reduction process using charcoal

Explanation:

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2Pb(NO3)2 —> 2PbO + 4NO2 + O2

The PbO obtained is reduced by charcoal(C) to obtain the metallic Pb as shown below:

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Winter is coming and it's time to make sure you have the right amount of antifreeze
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The molality of the solution = 17.93 m

<h3>Further explanation</h3>

Given

6.00 L water with 6.00 L of  ethylene glycol(ρ=1.1132 g/cm³= 1.1132 kg/L)

Required

The molality

Solution

molality = mol of solute/ 1 kg solvent

mol of solute = mol of ethylene glycol

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= volume x density

= 6 L x 1.1132 kg/L

= 6.6792 kg

= 6679.2 g

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=mass : MW

=6679.2 : 62.07

=107.608

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6 L water = 6 kg water(ρ= 1 kg/L)

  • molality

\tt =\dfrac{107.608}{6}=17.93~m

5 0
3 years ago
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