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N76 [4]
3 years ago
10

What is FeCl3+NaOH=Fe(OH)3+NaCl

Chemistry
1 answer:
nasty-shy [4]3 years ago
3 0
This type of formula is use in chemistry it has  Iron ,Sodium, Hydroxyl and  Chloride unit s in the equation.
 .
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A) Concentration

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When you add a chemical to itself it becomes more concentrated making it more powerful and faster

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Which atomic model proposed that electrons move in specific orbits around the nucleus of an atom
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The Bohr Model, which was proposed by Niels Bohr in 1913

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Quinine is an important type of molecule that is involved in photosynthesis. The transport of electrons mediated by quinone in c
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Answer:

The heat of combustion is -25 kJ/g = -2700 kJ/mol.

Explanation:

According to the Law of conservation of energy, the sum of the heat released by the combustion reaction and the heat absorbed by the bomb calorimeter is equal to zero.

Qcomb + Qcal = 0

Qcomb = - Qcal

The heat absorbed by the calorimeter can be calculated with the following expression.

Qcal = C × ΔT

where,

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Then,

Qcomb = - Qcal

Qcomb = - C × ΔT

Qcomb = - 1.56 kJ/°C × 3.2°C = -5.0 kJ

Since this is the heat released when 0.1964 g o quinone burns, the energy of combustion per gram is:

\frac{-5.0kJ}{0.1964g} =-25kJ/g

The molar mass of quinone (C₆H₄O₂) is 108 g/mol. Then, the energy of combustion per mole is:

\frac{-25kJ}{g} .\frac{108g}{1mol} =-2700kJ/mol

6 0
3 years ago
Suppose you were to quickly throw a ball in outer space. Would it slow down as quickly in space, as it does in Earth? Explain wh
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Attempt 1
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