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3 years ago

How does adding oxygen (O2) to this reaction change the equilibrium? 2SO2(g) + O2(g) ⇌ 2SO3(g)

2 answers:

7 0

Based on Le Chatelier's principle, if the equilibrium of a given reaction is disturbed by external factors like temperature, pressure or concentration, then it will shift in a direction to undo the effects of the change produced.

The given reaction is:-

2SO2 (g) + O2(g)↔ 2SO3(g)

Thus, adding O2 will shift the equilibrium in a direction in which more of it will be consumed i.e. in the forward direction.

Ans A) The equilibrium will shift to the right to produce more SO3 molecules

Elena L [17]3 years ago

3 0

Answer:The Answer is A Explanation:Answer Is A On Edmentum

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The standard enthalpy change for the following reaction is 232 kJ at 298 K. 2 H2CO(g) 2 C(s,graphite) + 2 H2(g) + O2(g) ΔH° = 23

Georgia [21]

Answer: The standard enthalpy change for this reaction is -116 kJ

Explanation:

According to Hess’s law of constant heat summation, the heat absorbed or evolved in a given chemical equation is the same whether the process occurs in one step or several steps.

According to this law, the chemical equation can be treated as ordinary algebraic expression and can be added or subtracted to yield the required equation. That means the enthalpy change of the overall reaction is the sum of the enthalpy changes of the intermediate reactions.

The given chemical reaction is,

$2H_2CO(g)\rightarrow 2C(s, graphite)+2H_2(g)+O_2(g)$

$\Delta H^0=232KJ$

Now we have to determine the value of $\Delta H$ for the following reaction i.e,

$)C(s, graphite)+H_2(g)+\frac{1}{2}O_2(g)\rightarrow H_2CO(g)$ $\Delta H^0'=?$

According to the Hess’s law, if we reverse the reaction then the $\Delta H$ will change its sign and if we half the reaction, then the

So, the value $\Delta H^0'$ for the reaction will be:

$\Delta H^0'=\frac{(-232kJ/mole)}{2}=-116kJ$

Hence, the standard enthalpy change for this reaction is -116 kJ

7 0

4 years ago

Which of the following contains matter?

Tems11 [23]

I think it would be D. atoms because they are very tiny but still take up space

4 0

3 years ago

A molecule, Z, contains two atoms of oxygen, six atoms of hydrogen and three atoms of carbon. What is the formula of Z?

kondaur [170]

Answer:

C3H6O3

Explanation:

Hydroxyacetone

4 0

3 years ago

How many atom in protons

Alex Ar [27]

Answer:

Its atomic number is 14 and its atomic mass is 28. The most common isotope of uranium has 92 protons and 146 neutrons. Its atomic number is 92 and its atomic mass is 238 (92 + 146).

7 0

3 years ago

Restaurant a's chicken salad contains the same number of grams of fat as the chicken salad of restaurant

german

To compute for grams of fat in each salad:

We know that, A = C.

And B is 5 grams more, so it is B = 5 + A

And the total fat is 65, so A + B + C = 65 grams.

Computation:

A + (5 + A) + A = 65

3A + 5 = 65

3A = 60

A = 20

A = 20

B = (65 - 40) = 25

C = 20

6 0

4 years ago