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3 years ago

When the elements mg and cl form an ionic bond mg loses?

1 answer:

4 0

MgCl is an ionic compound that is formed between two ions Mg⁺ and Cl⁻. An ionic bond is formed between two elements when there is an even gaining or losing of electrons in order for them both to be stable. The Mg⁺ during the process of bonding donates or loses 1 electron which is accepted by the Cl⁻.

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9. Given the following reaction:CO (g) + 2 H2(g) CH3OH (g)In an experiment, 0.45 mol of CO and 0.57 mol of H2 were placed in a 1

WITCHER [35]

Answer:

$Keq=11.5$

Explanation:

Hello,

In this case, for the given reaction at equilibrium:

$CO (g) + 2 H_2(g) \rightleftharpoons CH_3OH (g)$

We can write the law of mass action as:

$Keq=\frac{[CH_3OH]}{[CO][H_2]^2}$

That in terms of the change $x$ due to the reaction extent we can write:

$Keq=\frac{x}{([CO]_0-x)([H_2]_0-2x)^2}$

Nevertheless, for the carbon monoxide, we can directly compute $x$ as shown below:

$[CO]_0=\frac{0.45mol}{1.00L}=0.45M\\$

$[H_2]_0=\frac{0.57mol}{1.00L}=0.57M\\$

$[CO]_{eq}=\frac{0.28mol}{1.00L}=0.28M\\$

$x=[CO]_0-[CO]_{eq}=0.45M-0.28M=0.17M$

Finally, we can compute the equilibrium constant:

$Keq=\frac{0.17M}{(0.45M-0.17M)(0.57M-2*0.17M)^2}\\\\Keq=11.5$

Best regards.

3 0

3 years ago

Lab Report: Paper Chromatography

vampirchik [111]

Answer:

the answer is "I HOPE IT HELPS"

7 0

3 years ago

The diffrent names for the diffrent ways the moon can look from earth or blank?

Gnesinka [82]

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They are - First quarter, waxing crescent, new, waning crescent, third quarter, Waning gibbous, full, and waxing gibbous

8 0

3 years ago

HELP! A. W B. X C. Y D. Z

tamaranim1 [39]

Answer:

Explanation:

7 0

3 years ago

Using the following thermochemical equation, determine the amount of heat produced per kg of CO2 formed during the combustion of

Arisa [49]

Answer: 12033 kJ of heat produced per kg of $CO_2$ formed during the combustion of benzene

Explanation:

The balanced chemical equation for combustion of benzene is :

$2C_6H_6(l)+15O_2(g)\rightarrow 12CO_2(g)+6H_2O(g)$ $\Delta H°rxn$ = -6278 kJ

Exothermic reactions are defined as the reactions in which energy of the product is lesser than the energy of the reactants. The total energy is released in the form of heat and $\Delta H$ for the reaction comes out to be negative.

$\text{Moles of }CO_2=\frac{\text{given mass}}{\text{Molar Mass}}=\frac{1000g}{44g/mol}=23mol$ (1kg=1000g)

According to stoichiometry :

12 moles of $CO_2$ on combustion produce heat = 6278 kJ

Thus 23 mole of $CO_2$ on combustion produce heat = $\frac{6278}{12}\times 23=12033kJ$

Thus 12033 kJ of heat produced per kg of $CO_2$ formed during the combustion of benzene

5 0

3 years ago