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Determine the critical micelle concentration of the sodium dodecyl sulfate (SDS) in water by plotting the surface tension of SDS solutions at different concentrations.

asked Feb 4 in Surface Chemistry by NoahProctor (370 points)

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1 answer 37 views

Determine the corrosion current density of a copper plate in a 0.1 M NaCl solution at 25°C, given that the corrosion potential of the copper plate in the solution is -0.54 V vs. the standard hydrogen electrode (SHE) and the Tafel slope for copper in the solution is 120 mV/decade.

asked Feb 4 in ElectroChemistry by FinlayBrasse (330 points)

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Determine the concentration of copper ions in a copper sulfate solution by constructing an electrochemical cell and measuring its voltage using a standard hydrogen electrode.

asked Feb 4 in Physical Chemistry by TreyGlaser66 (500 points)

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1 answer 28 views

Determine the bond order of the molecule N2 using molecular orbital theory and predict whether the molecule is paramagnetic or diamagnetic.

asked Feb 4 in Chemical bonding by UGTHazel0141 (450 points)

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1 answer 36 views

Determine the bond order of the molecule CO using molecular orbital theory. Show all the molecular orbital diagrams and explain why the molecule is or is not expected to be stable.

asked Feb 4 in Chemical bonding by DarcyMast013 (530 points)

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1 answer 35 views

Determine the bond order of O2 using molecular orbital theory.

asked Feb 4 in Chemical bonding by LynwoodTripp (310 points)

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1 answer 29 views

Determine the bond order of O2 molecule using molecular orbital theory and explain the resultant bond strength in relation to the stability of the molecule.

asked Feb 4 in Chemical bonding by EdytheYurani (330 points)

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1 answer 35 views

Determine the bond order for the oxygen molecule using molecular orbital theory. Show all calculations and explain how the bond order relates to the stability of the molecule.

asked Feb 4 in Chemical bonding by CourtneySyke (310 points)

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1 answer 29 views

Determine the bond order and bond length of the N-O bond in NO<sup>-</sup> ion.

asked Feb 4 in Inorganic Chemistry by BillyEdge555 (350 points)

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1 answer 27 views

Determine the bond order and bond length of the nitrogen-oxygen bond in the nitrate ion (NO3-).

asked Feb 4 in Inorganic Chemistry by MabelNesmith (290 points)

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1 answer 43 views

Determine the bond length between two carbon atoms in a molecule of ethylene (C2H4) given that the bond order is 1.5 and the electronegativity of carbon is 2.5.

asked Feb 4 in Chemical bonding by CarltonCunni (430 points)

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1 answer 43 views

Determine the bond energy required to break all the bonds in a molecule of methane (CH4) and calculate the total energy required to break all the bonds in 4.0 moles of methane. (Assume the bond energy values are: C-H bond energy = 413 kJ/mol and C-C bond energy = 347 kJ/mol)

asked Feb 4 in Chemical reactions by MeaganBertra (130 points)

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1 answer 32 views

Determine the bond dissociation energy of methane (CH4) using the following data: Reaction: CH4(g) → C(g) + 4H(g)ΔH°f (kJ/mol): CH4(g) = -74.81C(g) = 715.32H(g) = 218.00Hint: bond dissociation energy can be calculated using the formula ΔH°rxn = Σ (ΔH°f, products) - Σ (ΔH°f, reactants)

asked Feb 4 in ThermoChemistry by KassiePendle (370 points)

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1 answer 40 views

Determine the bond angles in a water molecule using the principles of Quantum Chemistry.

asked Feb 4 in Quantum Chemistry by DarbyReis18 (530 points)

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1 answer 43 views

Determine the bond angle in a water molecule using the VSEPR theory and explain how the shape of the molecule affects its polarity.

asked Feb 4 in Chemical bonding by CooperBlosse (350 points)

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1 answer 23 views

Determine the boiling point of sodium chloride (NaCl) at an external pressure of 1 atm, given its heat of vaporization is 406.6 kJ/mol and its melting point is 801°C.

asked Feb 4 in Inorganic Chemistry by EugeniaDozie (290 points)

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1 answer 39 views

Determine the amino acid sequence of a specific protein given the DNA sequence of the corresponding gene and the steps involved in RNA transcription and translation.

asked Feb 4 in BioChemistry by FredericNewk (490 points)

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1 answer 45 views

Determine the activation energy for the electrochemical reaction that occurs between copper and nitric acid (Cu + 4HNO3 --> Cu(NO3)2 + 2NO2 + 2H2O) given that the rate constant k is 2.31 x 10^-6 mol L^-1 s^-1 at 25°C and the rate constant increases to 3.81 x 10^-5 mol L^-1 s^-1 at 45°C.

asked Feb 4 in ElectroChemistry by SheriPethard (550 points)

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1 answer 37 views

Determine the activation energy for the electrochemical reaction between zinc and copper (II) sulfate solution, given that the rate constant is 2.8 x 10^-3 s^-1 at 298 K and 8.7 x 10^-3 s^-1 at 308 K.

asked Feb 4 in ElectroChemistry by MichelineGui (450 points)

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1 answer 39 views

Determine the acidity or basicity of the following molecules: ammonia (NH3), hydrogen chloride (HCl), water (H2O), and carbon dioxide (CO2). Rank them in order of increasing acidity or increasing basicity and explain your reasoning.

asked Feb 4 in Chemical bonding by MarinaDunne (410 points)

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