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Scrat [10]
3 years ago
13

What stress will shift the following equilibrium system to the right? 2SO2(g) + O2(g) ⇌ 2SO3(g); ΔH= –98.8 kJ/mol Decreasing con

centration of SO2 Decreasing temperature Increasing concentration of SO3 Increasing volume
Chemistry
1 answer:
denpristay [2]3 years ago
3 0

Answer:

Decreasing temperature.

Explanation:

  • Le Châtelier's principle states that when there is an dynamic equilibrium, and this equilibrium is disturbed by an external factor, the equilibrium will be shifted in the direction that can cancel the effect of the external factor to reattain the equilibrium.
  • The choices here:

1) Decreasing concentration of SO₂,

The concentration of  SO₂ decreases, so the reaction will be shifted to the left direction to suppress the decrease in SO₂ concentration.

2) Decreasing temperature,

ΔH= – 98.8 kJ/mol, the negative sign means that the reaction is exothermic and release the heat.

If the temperature decreased, this means that the products decrease, so the reaction will shift to the right to suppress the decrease in temperature.

<em>It is the right choice.</em>

3) Increasing concentration of SO₃:

Increasing concentration of SO₃ will shift the reaction to the left to suppress the effect of increasing the concentration of SO₃.

4) Increasing volume:

Increasing the volume will decrease the pressure.

Decreasing the pressure will shift the reaction of gases to the side of higher no. of moles (left side).

  • <em>So, the right choice is: Decreasing temperature.</em>

<em></em>

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Photosynthesis can be represented by6CO2(g)+6H2O(l)⇌C6H12O6(s)+6O2(g)Which of the following will be false when the photosynthesi
denis-greek [22]

Answer:

The concentration of O2 will begin decreasing and The concentrations of CO2 and O2 will be equal.

Explanation:

Equilibrium occurs when the velocity of the formation of the products it's equal to the velocity of the formation of the reactants, thus the concentrations of the compounds remain constant.

Analyzing the information and the reaction given, we can notice that in equilibrium the rate (velocity) of formation of O2 (product) is equal to the rate of formation of CO2 (reactant).

As the CO2 and H2O are placed in the reaction, the Le Chateliêr's principle states that the equilibrium must shift to reestablish the equilibrium, thus, they must be consumed, and the concentration of O2 must increase.

As state above, in equilibrium, the concentrations didn't change, thus, the concentrations of CO2 and O2 will not change.

The concentrations of CO2 and O2 depends on the rate of the reaction and the initial quantities presented, so it's not possible to affirm they'll be equal.

8 0
3 years ago
Arrange the compounds by their reactivity toward electrophilic aromatic substitution.
swat32

Answer:

The order of reactivity towards electrophilic susbtitution is shown below:

a. anisole > ethylbenzene>benzene>chlorobenzene>nitrobenzene

b. p-cresol>p-xylene>toluene>benzene

c.Phenol>propylbenzene>benzene>benzoic acid

d.p-chloromethylbenzene>p-methylnitrobenzene> 2-chloro-1-methyl-4-nitrobenzene> 1-methyl-2,4-dinitrobenzene

Explanation:

Electron donating groups favor the electrophilic substitution reactions at ortho and para positions of the benzene ring.

For example: -OH, -OCH3, -NH2, Alkyl groups favor electrophilic aromatic substitution in benzene.

The -I (negative inductive effect) groups, electron-withdrawing groups deactivate the benzene ring towards electrophilic aromatic substitution.

Examples: -NO2, -SO3H, halide groups, Carboxylic acid groups, carbonyl gropus.

4 0
3 years ago
Can someone answer this question? It's not that long
Kitty [74]

Answer:

sections 2 and 3

Explanation:

logic

6 0
3 years ago
Determine the soil texture for the following combinations of sand, silt, and clay.
JulijaS [17]

Answer:

a. Clay

b. Sandy Loam

c. Sandy Clay

d. Loamy Sand

Explanation:

Based on the soil texture triangle, the soil texture for the following combination of sand, silt and clay are;

a. Sand 20 percent; Silt 20 percent;Clay 60 percent: ____ CLAY

b. Sand 60percent; Silt 30percent; Clay 10percent: ___ SANDY LOAM

c. Sand 50percent; Silt 10percent;Clay 40 percent: ____ SANDY CLAY

d. Sand 80 percent; Silt 15 percent; Clay 5percent:_____ LOAMY SAND

7 0
3 years ago
Which of the objects in the table has the most gravitational potential energy? Explain your answer.
Ganezh [65]

Answer:

Bowling Ball

Explanation:

The bowling ball has the highest gravitational potential energy because the height at which it will fall is the highest of the rest objects on the table.

8 0
2 years ago
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