Answers by Barrett98Q2

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What is the concentration of lead ions in a water sample collected from a commercial battery manufacturing plant using voltammetry?

answered Jan 31 in Analytical Chemistry

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Calculate the heat released when 1 mole of ethane (C2H6) is combusted in oxygen gas to form carbon dioxide and water, given the following enthalpy of combustion values: ΔH°comb(C2H6) = -1560 kJ/mol ΔH°comb(O2) = -393.5 kJ/mol ΔH°f(CO2) = -393.5 kJ/mol ΔH°f(H2O) = -285.8 kJ/mol

answered Jan 23 in ThermoChemistry

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A student wants to investigate the thermodynamic properties of a system undergoing a non-equilibrium process. The system is initially at a temperature of 300 K and pressure of 1 atm. A sudden expansion of the system causes the pressure to drop to 0.5 atm while maintaining a constant temperature. Calculate the change in entropy of the system during the process assuming ideal gas behavior.

answered Jan 22 in Physical Chemistry

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What is the concept of plasticity in development?

answered Jan 14 in Psychology

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What branch of science deals with the effects people have on the environment?

answered Jan 6 in Science

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The measure of how much a given volume of matter decreases when placed under pressure is called?

answered Jan 2 in Science

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Crystallization separates mixtures based on differences in what, which usually increases with temperature?

answered Dec 30, 2024 in Science

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