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3 years ago

Why is a chemical system at equilibrium referred to as dynamic?

1 answer:

3 0

The rates of the forward and reverse reactions continue changing.

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How would Cl gain stability

love history [14]

Cl has 7 valence electrons, it needs 8 to be stable, according to the octet rule, so Cl gains stability by gaining 1 electron to reach 8 electrons

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4 years ago

Two moles of propene (c3h6) gas react with nine moles of oxygen (o2) gas to produce six moles of carbon dioxide gas (co2) and si

dalvyx [7]

The stoichiometry of the reaction gives the molar ratio in which the reactants react with each other and the ratio in which products are formed.
The coefficients of the reactants in the reaction follow the stoichiometry
the balanced chemical equation for the reaction is as follows;
2C₃H₆(g) + 9O₂(g) ---> 6CO₂(g) + 6H₂O(l)

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4 years ago

Read 2 more answers

The pressure inside an aerosol can is 3.80 atm at 25.0°C. If the temperature is increased from 25.0°C to 100.0°C, what would be

ladessa [460]

Answer:

B. 4.76 atm

Explanation:

$P_1$ = Initial pressure = 3.8 atm

$T_1$ = Initial temperature = $25+273.15\ \text{K}$

$P_2$ = Final pressure

$T_2$ = Final temperature = $100+273.15\ \text{K}$

From Gay Lussac's law we have

$\dfrac{P_2}{P_1}=\dfrac{T_2}{T_1}\\\Rightarrow P_2=P_1\dfrac{T_2}{T_1}\\\Rightarrow P_2=3.8\times\dfrac{100+273.15}{25+273.15}\\\Rightarrow P_2=4.76\ \text{atm}$

The pressure inside the can would be $4.76\ \text{atm}$ .

7 0

3 years ago

The minerals are sorted into two groups. Which property are they sorted by?

marusya05 [52]

Later the answer is C. Luster

4 0

4 years ago

2Al2O3 → 4Al + 302

Anuta_ua [19.1K]

540g

Explanation:

Given parameters:

Mass of the aluminium oxide = 1020g

Unknown:

Mass of aluminium = ?

Solution:

To find the mass of the aluminium formed from this reaction, we work from the known to the unknown. The known here is the mass of the aluminium oxide.

Using this mass, find the number of moles in the aluminium and relate it using the balanced equation to that of the unknown aluminium.

From the number of moles, we can easily find the mass of the aluminium.

Solving:

Balanced equation:

2Al₂O₃ → 4Al + 3O₂

Number of moles of Al₂O₃ = $\frac{mass}{molar mass}$