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How can we reduce the environmental impact of industrial waste disposal techniques used by chemical manufacturing plants in order to ensure the safety of the surrounding ecosystems and communities?

asked Mar 1 in Environmental Chemistry by TheScientist (138k points)

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How does the type of catalyst and the surface area of the catalyst affect the rate of a specific heterogeneous catalytic reaction?

asked Feb 28 in Surface Chemistry by TheScientist (138k points)

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What are the different types of chemical reactions and how can they be identified and balanced using chemical equations?

asked Mar 1 in Chemical education by TheScientist (138k points)

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What will be the effect on the equilibrium position of a redox reaction if the concentration of the reactants is doubled while the concentration of products remains unchanged? Provide a detailed explanation with appropriate calculations.

asked Mar 1 in Chemical equilibrium by TheScientist (138k points)

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How can we increase the presence of chemistry in our daily lives to promote better understanding and appreciation for the subject?

asked Mar 1 in Chemical education by TheScientist (138k points)

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What is the yield of acetylsalicylic acid produced when 5 grams of salicylic acid is reacted with excess acetic anhydride, assuming a theoretical yield of 7 grams and an actual yield of 4.5 grams?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

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How can we address the limited availability of chemistry textbooks and resources in schools with low budgets or in areas with limited access to educational materials?

asked Mar 1 in Chemical education by TheScientist (138k points)

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What is the formal charge of the nitrogen atom in the molecule HNO<sub>3</sub>?

asked Mar 1 in Chemical bonding by TheScientist (138k points)

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What is the amount of energy required to vaporize 50 grams of water at its boiling point, given that the enthalpy of vaporization of water is 40.7 kJ/mol?

asked Mar 1 in ThermoChemistry by TheScientist (138k points)

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What are the key steps involved in the synthesis of polyvinyl chloride from vinyl chloride monomer, and how can these steps be optimized to enhance the yield and quality of the resulting polymer?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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How can the use of assistive technology in the chemistry classroom be improved to better support students with learning disabilities, such as dyslexia, in understanding and retaining chemical concepts?

asked Mar 1 in Chemical education by TheScientist (138k points)

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What is the enthalpy change of isomerization of butene-1 to cis-butene-2 at 25°C and 1 atm? Given that the molar enthalpy of combustion of butene-1 is -2657 kJ/mol and the molar enthalpy of combustion of cis-butene-2 is -2670 kJ/mol.

asked Mar 1 in ThermoChemistry by TheScientist (138k points)

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What is the efficiency of an electrochemical cell with a standard potential of +0.80V and a current of 2.5A, when the cell potential drops to +0.60V as a result of an internal resistance of 1.2Ω?

asked Mar 1 in ElectroChemistry by TheScientist (138k points)

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What is the standard enthalpy change for the reaction of zinc oxide and hydrochloric acid to form zinc chloride and water, given that all reactants and products are solids at standard temperature and pressure?

asked Mar 1 in Chemical thermodynamics by TheScientist (138k points)

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What is the heat of formation of methane (CH4) given the following bond energy values: C=C (838 kJ/mol), C-H (413 kJ/mol) and H-H (436 kJ/mol)?

asked Mar 1 in Chemical bonding by TheScientist (138k points)

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What is the formal charge of the carbon atom in the compound CH3COOH? Show your calculations.

asked Mar 1 in Chemical bonding by TheScientist (138k points)

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What are the most effective methods for treating and mitigating the environmental impact of hazardous waste generated by industrial processes and how can they be implemented in an economically feasible way?

asked Mar 1 in Environmental Chemistry by TheScientist (138k points)

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How can we accurately predict the catalytic activity and selectivity of a catalyst using quantum chemical calculations?

asked Mar 1 in Quantum Chemistry by TheScientist (138k points)

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What are the specific difficulties that students face while understanding the periodic table? How can these issues be addressed to enhance the students’ learning and comprehension of chemical elements?

asked Mar 1 in Chemical education by TheScientist (138k points)

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What is the activation energy required for the decomposition of hydrogen peroxide to water and oxygen at 25°C, given the rate constant of the reaction is 0.005 s⁻¹?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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