For which of the following substances is the standard free energy of formation not equal to...
For which of the following substances is the standard free energy of formation not equal to zero at 298 K.?
A) Cr(s)
B)Kr(g)
C)Ce(s)
D)Na(g)
E)O2(g)
Homework Answers
Among the given substances, Na(g) is not the standard state of sodium. Hence, its standard free energy of formation will not be equal to zero at 298 K
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For which of the following substances is the standard free
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The standard free energy change of formation for ammonia at 298 K is -16.5 kJ/mol. What...
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Which of the following substances have a standard heat of formation (Delta H_f degree) of zero? Fe at 1200 degree C Cl_2(g) at 2 atm O_2(g) at 25.0 degree C and 1 atm C_2H_5(g) at standard conditions
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Select which process describes the following energy changes. (Ionization energy, electron affinity, bond enthalpy, or standard enthalpy of formation A. F(g) + e- => F-(g) B. F2(g) => 2F(g) C. Na(g) => Na+(g) + e- D. Na(s) + 1/2F2(g) => NaF(g)
Based on the standard free energies of formation, which of the following reactions represent a feasible way to synthesi...
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please help as soon as possible ergent Question 40 (1 point) Consulting the table of standard...
please help as soon as possible ergent
Question 40 (1 point) Consulting the table of standard reduction potentials provided, which species is the best reducing agent? V reaction Ered (V) co2+ + e Co -0.28 Na* + e- Na -2.71 Осо3+ Na O Na Co Question 41 (1 point) sting of the Mn2/Mn and Cut/Cu half reactions. What Question 38 (1 point) Which base is the strongest? Base B. pkp = 3,45 Base A, Kp = 1.8x10-4 Base C. pkb...
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For which one of the following reactions is the value of formation of the product? G,0 equal to the Gibbs free energy of 1. (a) H201) +2 O2(g) -H202(1) (b) N2(g) O3(g) -> N203(g) (c) 2 Ca(s) O2(g)2 CaO(s) (d) 6 C(s, graphite+ 6 H(g) -> C6Ho(l) (e) 3 Mg(s) +N2(g) MgaN2(s)
1) Which of the following makes formation of a solution from two pure chemical substances more likely to occur? a) If randomness increases when a solution forms b) If energy decreases when a solution forms c) If energy increases when a solution forms d) Both a and b e) Both a and c 2) What is the value for the van't Hoff factor (1) for Cu(NO3)2? a) i=1 b) i=2 c) i=3 d) i=4 e) i>4 3) For which of...
Which of the following substances have a standard heat of formation (Delta H_f degree) of zero? Fe at 1200 degree C Cl_2(g) at 2 atm O_2(g) at 25.0 degree C and 1 atm C_2H_5(g) at standard conditions
please help as soon as possible ergent
Question 40 (1 point) Consulting the table of standard reduction potentials provided, which species is the best reducing agent? V reaction Ered (V) co2+ + e Co -0.28 Na* + e- Na -2.71 Осо3+ Na O Na Co Question 41 (1 point) sting of the Mn2/Mn and Cut/Cu half reactions. What Question 38 (1 point) Which base is the strongest? Base B. pkp = 3,45 Base A, Kp = 1.8x10-4 Base C. pkb...
For which one of the following reactions is the value of formation of the product? G,0 equal to the Gibbs free energy of 1. (a) H201) +2 O2(g) -H202(1) (b) N2(g) O3(g) -> N203(g) (c) 2 Ca(s) O2(g)2 CaO(s) (d) 6 C(s, graphite+ 6 H(g) -> C6Ho(l) (e) 3 Mg(s) +N2(g) MgaN2(s)
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