Question
In: Chemistry
How would you know if a reaction is spontaneous based on the enthalpy change
How would you know if a reaction is spontaneous based on the enthalpy change
Solutions
queen_honey_blossom answered 1 year agoRelated Solutions
The change in enthalpy for a reaction is -25.8kJ. The equilibrium constant for the reaction is...
The change in enthalpy for a reaction is -25.8kJ. The
equilibrium constant for the reaction is 1400 at 25 degrees
Celsius. What is the equilibrium constant at 382 degrees
Celsius?
What is the condition for a reaction to be spontaneous? If a reaction is spontaneous at...
What is the condition for a reaction to be spontaneous? If a
reaction is spontaneous at one temperature is it spontaneous under
all conditions? [10 marks] ii) Given the following information
?fH°(CH3OH(g)) = -201.0 kJ mol-1 / S°(CH3OH(g)) = 239.70 J mol-1
K-1 ?fH°(CH2O(g)) = -108.6 kJ mol-1 / S°(CH2O(g)) = 218.95 J mol-1
K-1 ?fH°(H2(g)) = 0 / S°(H2(g)) = 130.70 J mol-1 K-1 determine
?rH°, ?rS° and ?rG° for the formation of formaldehyde from the
dehydrogenation of methanol...
What is enthalpy? How is the enthalpy of a chemical reaction measured? Is enthalpy a state...
What is enthalpy? How is the enthalpy of a chemical reaction
measured? Is enthalpy a state function?
1. Calculate the enthalpy change for the reaction based ion the given information: 2CH4(g) + 2O2(g) -->...
1. Calculate the enthalpy change for the reaction based ion the
given information: 2CH4(g) + 2O2(g) --> CH2CO(g) +
3H2O(g)
CH2CO(g) + 2O2(g) --> 2CO2(g) + H2O(g) Delta H = -941.1
kJ
CH4(g) + 2O2(g) --> CO2(g) + 2H2O(g) Delta H = -882.3 kJ
2. Suppose a large size chocolate fudge ice cream gives 162
Calories. If an ice cream contains 6.00 g of carbohydrate and 12.0
g of protein then find out grams of fat? [1g Fat = 9kcal, 1g...
1. Calculate the enthalpy change for the reaction based ion the given information: 2CH4(g) + 2O2(g) -->...
1. Calculate the enthalpy change for the reaction based ion the
given information: 2CH4(g) + 2O2(g) --> CH2CO(g) +
3H2O(g)
CH2CO(g) + 2O2(g) --> 2CO2(g) + H2O(g) Delta H = -941.1
kJ
CH4(g) + 2O2(g) --> CO2(g) + 2H2O(g) Delta H = -882.3 kJ
The enthalpy change for a chemical reaction is the sum of the energy consumed in breaking...
The enthalpy change for a chemical reaction is the sum of the
energy consumed in breaking bonds and the energy released during
bond formation. One way to determine the overall energy change for
a chemical reaction is to apply Hess’s law to add together a group
of reactions which can be arranged such that the chemical
equations, when combined, give the overall equation we are trying
to characterize.
The average propane cylinder for a residential grill holds
approximately 18 kg...
The enthalpy change for a chemical reaction is the sum of the energy consumed in breaking...
The enthalpy change for a chemical reaction is the sum of the
energy consumed in breaking bonds and the energy released during
bond formation. One way to determine the overall energy change for
a chemical reaction is to apply Hess’s law to add together a group
of reactions which can be arranged such that the chemical
equations, when combined, give the overall equation we are trying
to characterize.
part 1
Write a balanced chemical equation for the combustion of gaseous...
How would you change CMS quality based reporting for the better?
How would you change CMS quality based reporting for
the better?
The most appropriate response for a reaction that is spontaneous at all temperatures would be (a)...
The most appropriate response for a reaction that is spontaneous
at all temperatures would be
(a) ΔHº = - ΔSº = +
(b) ΔHº = + ΔSº = -
(c) ΔHº = - ΔSº = -
(d) ΔHº = + ΔSº = +
a) For the reaction: A(aq) ---> B(aq) the change in the standard free enthalpy is 2.83...
a) For the reaction: A(aq) ---> B(aq) the change in the
standard free enthalpy is 2.83 kJ at 25 oC and 4.61 kJ
at 45 oC. Calculate the value of this reaction's
equilibrium constant at 75 oC.
b) A container encloses 31.1 g of CO2(g). The partial
pressure of CO2 is 2.66 atm and the volume of the
container is 25.9 L. What is the average, or root mean square,
speed (in m/s) of the CO2 molecules in this
container?
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