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How does the entropy change in the reaction 2C3H6 902 -- 6C)2 plus 6 H2O?
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∙ 8y ago
The entropy increases:)
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How does the entropy change in the reaction 2C3H6 (g) plus 9O (g) 6CO2(g)?
The entropy increase in this reaction.
Is carbon dioxide plus water to glucose plus oxygen a chemical change?
Yes, this is a chemical reaction.
Is copper sulfate CuSO4 plus iron Fe a physical or chemical change?
Yes, this is a chemical reaction.
What chemical change occurred in the following reactionMg2 plus (aq) plus 2OH(aq) Mg(OH)2(s)?
This is a precipitation chemical reaction.
Is 2FeSO4 Fe2O3 plus SO2 plus SO3 a redox reaction?
No, there is no change in any oxidation states.
How does the entropy change in the reaction 2C3H6 (g) plus 9O (g) 6CO2(g)?
The entropy increase in this reaction.
Which of the following reactions would result in decreased entropy A PCl5 g PCl2 g plus Cl2 g B 2CH4 g plus 3O2 g 2CO g plus 4H2O g C N2 g plus 3H2 g 2NH3 g D MgCl2 s Mg2 plus aq plus 2Cl aq?
An example of a reaction that would result in decreased entropy is a dehydration reaction.
What is the entropy change for the third reaction below N2(g) plus O2(g) 2NO(g) and 8710H 180 kJ 2NO2(g) 2NO(g) plus O2(g) and 8710H 112 kJ N2(g) plus 2O2(g) 2NO2(g)?
68kj
Which of the following reactions would result in decreased entropy A PCl5 g PCl2 g plus Cl2 g B 2CH4 g plus 3O2 g 2CO g plus 4H2O g C N2 g plus 3H2 g 2NH3 g D MgCl2 s Mg2 plus aq plus 2Cl aq-?
The reaction that would result in decreased entropy is N2 + 3H2 → 2NH3.
How If a reaction occurs at 293 K that has a change in enthalpy of plus 125 kJ and a change in entropy of plus 35 J K then is the reaction spontaneous If so why If not why not?
A process will be spontaneous when the change in Gibbs free energy is negative.The change in Gibbs free energy can be calculated from the equation:G2 - G1 = H2 - H1 - T(S2 - S1)whereG is Gibbs free energyH is EnthalpyT is absolute temperature (when T is given in Kelvin or Rankine it is an absolute temperature)S is EntropyIn this caseH2 - H1 = 125 kJT = 293 KS2 - S1 = 35 J/K = 0.035 kJ/Kso doing the math you getG2 - G1 = 125 - 293(0.35) = 22.45 > 0 so the process is not spontaneous in the direction where enthalpy change and entropy change are being measured. The reverse process would be spontaneous.
What is the change in the oxidation number of Sn in the reaction 2FeCl2 plus SnCl4 -- SnCl2 plus 2FeCl3?
-2
Is carbon dioxide plus water to glucose plus oxygen a chemical change?
Yes, this is a chemical reaction.
What type of reaction does Sn 2 plus - Sn 4 plus represent?
6
Change in Heat for the following reaction----2Br2 plus C2H2---- C2H2Br4?
c2h6 + cl2
Is the equation C3H6 plus O2 yields CO2 plus H20 balanced?
No, the balanced equation is 6Ca + 3O2 ---> 6CaO. The product, calcium oxide, is CaO and not CaO2.
Is copper sulfate CuSO4 plus iron Fe a physical or chemical change?
Yes, this is a chemical reaction.
What chemical change occurred in the following reactionMg2 plus (aq) plus 2OH(aq) Mg(OH)2(s)?
This is a precipitation chemical reaction.
