Recent questions in Chemistry

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1 answer 158 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 MeganAndrzej (2.0k points)

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1 answer 121 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 PDQJenifer7 (2.0k points)

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1 answer 116 views

Determine the bond order of O2 using molecular orbital theory.

asked Feb 4 in Chemical bonding by JuanitaPiess (2.1k points)

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1 answer 86 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 DaltonJanney (2.0k points)

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1 answer 122 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 Clint1927671 (1.7k points)

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1 answer 120 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 TimmyCapra21 (2.1k points)

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1 answer 108 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 ErickAshton2 (1.9k points)

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1 answer 148 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 EmmettVerdin (2.2k points)

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1 answer 142 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 LeannaDoming (1.7k points)

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1 answer 128 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 Bernice06378 (1.4k points)

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1 answer 139 views

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

asked Feb 4 in Quantum Chemistry by FerminClatte (1.8k points)

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1 answer 137 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 BNOHumberto0 (2.0k points)

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1 answer 70 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 AgnesXyg5256 (2.0k points)

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1 answer 139 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 Jeramy48117 (1.9k points)

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1 answer 162 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 ClairWaite7 (1.8k points)

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1 answer 121 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 ConnieSmothe (2.4k points)

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1 answer 121 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 BobBar745884 (1.9k points)

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1 answer 19 views

Design and synthesize a supramolecular polymer with controlled assembly through non-covalent interactions, and investigate its structure and properties using various analytical techniques in the field of physical chemistry.

asked Feb 4 in Physical Chemistry by Linwood6326 (2.3k points)

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1 answer 120 views

Design and synthesize a polymer-based smart material that can undergo reversible changes in response to changes in temperature or pH, and explain the mechanism behind these changes using chemical principles.

asked Feb 4 in Polymer Chemistry by AundreaWhitf (1.8k points)

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1 answer 181 views

Design and develop a polymer-based sensor that can detect the presence of ethanol in water up to a concentration of 50 mg/L with high sensitivity and selectivity. Evaluate the performance of the sensor and compare it with other existing ethanol sensors in terms of sensitivity, selectivity, response time, and stability.

asked Feb 4 in Polymer Chemistry by LaunaRxf8120 (1.7k points)

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