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professor190 [17]
3 years ago
15

Identifica los dos pares conjugados acido-base en cada una de las siguientes reacciones

Chemistry
1 answer:
aliya0001 [1]3 years ago
8 0

Answer:

PULLIN OUT THE COUPE AT THE LOT?

Explanation:

TOLD EM F*&*& 12 F*(&*(& SWAT

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Most favourable conditions for electrovalency are
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I think

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low charge of ions, large cation and small anion

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An atom that has one or two valence electrons is most likely to be - Nonreactive only
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C) Highly reactive

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An atom with one or two valence electrons more than a closed shell is highly reactive, because the extra valence electrons are easily removed to form a positive ion

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Which stage of the cell cycle usually lasts the longest
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Freon−12 (CF2Cl2), widely used as a refrigerant and aerosol propellant, is a dangerous air pollutant. In the troposphere, it tra
nevsk [136]

Answer:

141g of CCl₄

Explanation:

First, we have to write the balanced equation.

CCl₄(g) + 2 HF(g) ⇄ CF₂Cl₂(g) + 2 HCl(g)

We can calculate how many moles of CF₂Cl₂ using the ideal gas equation.

V = 14.9 dm³ = 14.9 L

T = 21°C + 273.15 = 294.15 K

P = 1.48 atm

R = 0.08206 atm.L/mol.K

P.V=n.R.T\\n=\frac{P.V}{R.T} =\frac{1.48atm.14.9L}{0.08206\frac{atm.L}{mol.K}.294.15K }=0.914mol

We can use proportions to find the mass of CCl₄ required to obtain 0.914 moles of CF₂Cl₂. According to the balanced equation, 1 mol of CF₂Cl₂ is produced when 1 mol of CCl₄ reacts. And the molar mass of CCl₄ is 154 g/mol.

0.914molCF_{2}Cl_{2}.\frac{1molCCl_{4}}{1molCF_{2}Cl_{2}} .\frac{154gCCl_{4}}{1molCCl_{4}} =141gCCl_{4}

7 0
3 years ago
A gas-filled weather balloon has a volume of 52.0 L at ground level, where the pressure is 751 mmHg and the temperature is
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Using P1V1/T1 = P2V2/T2, 1 being the conditions initially and 2 being the secondary conditions…. always make sure you convert you units first , L=695.8262L

8 0
3 years ago
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