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leva [86]
3 years ago
7

For a reversible reaction, what would a large equilibrium constant indicate?

Chemistry
1 answer:
siniylev [52]3 years ago
8 0

(D) At equilibrium, the concentration of the products will be much higher than the concentration of the reactants.

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Consider the following reaction at constant pressure. Use the information provided below to determine the value of ΔS at 473 K.
Elis [28]

Answer:

The reaction will be spontaneous

Explanation:

To determine if the reaction will be spontaneous or not at this temperature, we need to calculate the Gibbs's energy using the following formula:

\Delta G= \Delta H - T * \Delta S

<u>If the Gibbs's energy is negative, the reaction will be spontaneous, but if it's positive it will not.</u>

Calculating the \Delta G= -1267 - 473 K* \Delta S :

\Delta G= -1267 - 473 K* \Delta S

Now, other factor we need to determine is the sign of the S variation. When talking about gases, the more moles you have in your system the more enthropic it is.

In this reaction you go from 7 moles to 8 moles of gas, so you can say that you are going from one enthropy to another higher than the first one. This results in: \Delta S>0[/tex}Back to this expression: [tex]\Delta G= -1267 - 473 K* \Delta S

If the variation of S is positive, the Gibbs's energy will be negative always and the reaction will be spontaneous.

4 0
3 years ago
What is the sign of the heat change for an exothermic reaction? for an endothermic reaction?
Julli [10]

A system that releases heat to the surroundings, an exothermic reaction, has a negative ΔH by convention, because the enthalpy of the products is lower than the enthalpy of the reactants of the system. The enthalpies of these reactions are less than zero, and are therefore exothermic reactions

3 0
3 years ago
Temperature is a(n)<br> ecosystem.<br> component of an ecosystem.
guajiro [1.7K]

Answer:

Temperature is an abiotic component of an ecosystem

Explanation:

6 0
2 years ago
Tungsten fits best into which category?
nordsb [41]

Answer:

B. Element

Explanation:

Tungsten is an chemical element

4 0
2 years ago
Read 2 more answers
Which substance would have the highest melting point, based on electronegativity?
Mazyrski [523]

Answer:

H₂O

Explanation:

Based electronegativity, water H₂O will have the higher melting point from the given choices. The binding force between hydrogen and oxygen is greater than for the others.

  • In group 6, oxygen has the highest electronegativity.
  • It pulls the shared electron closer in the bond.
  • The high electronegativity between hydrogen and oxygen causes the elevated melting point between the two species.  
5 0
3 years ago
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