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@X@user.full_name@X@ @GMU: What is the coefficient, b, in th…

@X@user.full_name@X@ @GMU: What is the coefficient, b, in the reaction below, if Kc = 6.29e-4 and Kp = 1.32e-5 at 306.39°C?2A(s) + bB(g) → 3C(g)

Published December 9, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: From the reaction below, calculat…

@X@user.full_name@X@ @GMU: From the reaction below, calculate the free energy of formation for C8H8(g) at 25°C, if ΔGfo(CH4(g)) is -50.790 kJ/mol.8CH4(g) → C8H8(g) + 12H2(g) ΔGo = 620.735 kJ/mol

Published December 9, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: What is the energy of a photon ha…

@X@user.full_name@X@ @GMU: What is the energy of a photon having a wavelength of 111.44 μm? Remember Planck’s constant is 6.626×10-34 J×s

Published December 9, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: Balance the reaction below; deter…

@X@user.full_name@X@ @GMU: Balance the reaction below; determine the sum of the coefficients; this is in an acidic solution! Include co-efficients for any unshown species (such as water and H+)._Cr2O72- + _H2 → _Cr3+ + _H+

Published December 9, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: What is the coefficient, b, in th…

@X@user.full_name@X@ @GMU: What is the coefficient, b, in the reaction below, if Kc = 5.37e-4 and Kp = 1.7191 at 416.16°C?3A(s) + bB(g) → 5C(g)

Published December 9, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: What is the standard cell voltage…

@X@user.full_name@X@ @GMU: What is the standard cell voltage at 25.0oC for the reaction below?2MnO4-(aq) + Sn(s) → 2MnO42-(aq) + Sn2+(aq) K = 4.75e23

Published December 9, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: A compound contains only lithium…

@X@user.full_name@X@ @GMU: A compound contains only lithium and iodine. A sample weighing 29.1 g of this compound contained 1.51 g of lithium. How many grams of iodine would there be in another sample of this compound containing 2.71 g of lithium?

Published December 9, 2024
Categorized as Uncategorized

The complete combustion of butanol, CH3(CH2)2CH2OH, yields c…

The complete combustion of butanol, CH3(CH2)2CH2OH, yields carbon dioxide and water as products (see reaction below). __CH3(CH2)2CH2OH + __O2 ↔ __CO2 + __H2O The ratio of the number of molecules of O2 required to molecules of butanol is

Published December 9, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: What is the free energy change at…

@X@user.full_name@X@ @GMU: What is the free energy change at 25°C for the reaction below, if ΔGfo(CH4(g)) = -50.790 kJ/mol, ΔGfo(C9H16(g)) is 244.289 kJ/mol.9CH4(g) → C9H16(g) + 10H2(g)

Published December 9, 2024
Categorized as Uncategorized

@X@user.full_name@X@ @GMU: ACS-Determine the cell potential…

@X@user.full_name@X@ @GMU: ACS-Determine the cell potential for the reaction below if [Mg2+] = 0.3143M and [Ag1+] = 0.0151M 1Mg2+(aq) + 2Ag(s) → 1Mg(s) + 2Ag1+(aq) E°= -3.180V

Published December 9, 2024
Categorized as Uncategorized

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