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deltaH=28 kJ/mol, deltaS=0.109 kJ(molK)

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How form a spontaneous reaction 298 k?

A reaction will be spontaneous at 298 K if the Gibbs free energy change (ΔG) for the reaction is negative. This means that the reaction will proceed in the forward direction without requiring an external input of energy. The equation ΔG = ΔH - TΔS can be used to determine if a reaction is spontaneous at a given temperature, where ΔH is the change in enthalpy and ΔS is the change in entropy.


What form a spontaneous reaction at 298 K?

A spontaneous reaction at 298 K is one in which the Gibbs free energy change (ΔG) is negative. This means that the reaction is energetically favorable and will proceed in the forward direction without the need for external energy input.


Is the reaction spontaneous or non-spontaneous at 298 k?

To determine if a reaction is spontaneous or non-spontaneous at 298 K, we can use the Gibbs free energy equation, ΔG = ΔH - TΔS. If ΔG is negative, the reaction is spontaneous; if ΔG is positive, it is non-spontaneous. The values of ΔH (enthalpy change) and ΔS (entropy change) must be known to evaluate the spontaneity at this temperature. Without specific values for ΔH and ΔS, we cannot definitively conclude the spontaneity.


What statement describes a reaction at 298 K if H 31 kJmol S 0.093 kJ(molK)?

It is not spontaneous.


Which statement describes a reaction at 298 K if H 31 kJ mol S 0.093 kJ molK?

It is not spontaneous.


What would from a spontaneous reaction at 298 k?

A spontaneous reaction at 298 K occurs when the change in Gibbs free energy (ΔG) is negative. This means that the reaction can proceed without the input of external energy, often driven by enthalpy (ΔH) and entropy (ΔS) changes according to the relationship ΔG = ΔH - TΔS. If ΔS is positive, it can favor spontaneity even with a positive ΔH, as long as the temperature is sufficiently high. Conversely, a negative ΔH at lower temperatures also promotes spontaneity.


Which direction of the reaction equilibrium is favored at 298 K room temperature use the reaction I2 solid to I2 gas when H 62.4 kJmol and S 0.145 kJmolK?

I2(s) --> I2(g); dH=62.4kJ/mol; dS=0.145kJ/mol. The reaction will favor the product at this temperature. Your entropy is positive and your enthalpy is also positive, so this reaction will not be spontaneous at all temperatures. But at room temperature, which is 298K, it will be spontaneous and proceed left to right. (this is the sublimation of iodine)


What phase is it at room temperature if an element has a melting point above 298 kelvin?

it would be in ice form


Which compound is formed from its elements by an exothermic reaction at 298 K and 101.3 kPa?

Carbon dioxide (CO2) is formed from its elements (carbon and oxygen) by an exothermic reaction at 298 K and 101.3 kPa.


Which equation represents an exothermic reaction at 298 K?

An exothermic reaction is one where heat is released to the surroundings. An example of an exothermic reaction equation at 298 K is: 2H2(g) + O2(g) -> 2H2O(l) + heat


Use the reaction I2s I2 g H 62.4 kJ mol S 0.145 kJ molK for Question 10. Which direction of the reaction is favored at 298 K room temperature?

Toward I2(s) production


Which direction of the reaction is favored at 298 K?

At 298 K, the direction of a reaction is favored based on whether it is exothermic or endothermic. If the reaction is exothermic, it is favored in the direction that consumes heat, while for an endothermic reaction, it is favored in the direction that produces heat. The reaction will proceed in the direction that helps to minimize the overall energy of the system.