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pashok25 [27]
3 years ago
11

From which plant can benzoic acid be obtained from?​

Chemistry
1 answer:
Sergeeva-Olga [200]3 years ago
7 0

Explanation:

styrax benzoin is what benzoic acid is obtained from

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Assuming that the bath contains 250.0 g of water and that the calorimeter itself absorbs a negligible amount of heat, calculate
Anvisha [2.4K]

Answer:

-3272     kJ/mol

Explanation:

Given and known facts

Mass of Benzene = 0.187 grams

Mass of water = 250 grams

Standard heat capacity of water = 4.18 J/g∙°C

Change in temperature ΔT = 7.48°C

Heat

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Heat released by benzine is - 7.82 kJ

Now, we know that

0.187 grams of benzene release = -7.82  kJ heat

So, 1 g benzine releases

\frac{ -7.82 }{0.187}\\= -41.8

kJ/g

0.187 * \frac{1}{78.108}=0.00239 mol C6H6

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4 0
3 years ago
2. Which one of the following chemical equations is balanced? A. 2NaCl + H2SO4 → HCL + NaSO4 B. NH3 + H2O → 2NH4OH C. 2Na + S →
Lady_Fox [76]
D.  KOH + H₂SO₄ → KHSO₄ + H₂O
6 0
3 years ago
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Arrange these elements into a table showing metals and non-metals: phosphorus, P, barium, Ba, vanadium, V. mercury, Hg, krypton,
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2 years ago
Which formula shows a substance that is not molecular?
Scrat [10]
H ( hydrogen ) is the answer I believe.
8 0
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An atom of a certain element has 12 protons, 14 neutrons, and 2 valence electrons. What is the name of this element?
DedPeter [7]

Given :

An atom of a certain element has 12 protons, 14 neutrons, and 2 valence electrons.

To Find :

The name of this element.

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Therefore, name of element is Mg-16 .

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2 years ago
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