Answers by RoseScn6045

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Calculate the enthalpy change for the combustion of 1 mole of methane gas (CH4) at standard conditions (25°C and 1 atm), given that the standard enthalpy of formation of methane is -74.87 kJ/mol and the standard enthalpy of formation of carbon dioxide (CO2) and water (H2O) are -393.51 kJ/mol and -285.83 kJ/mol, respectively.

answered Jan 23 in ThermoChemistry

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What is the pKa of the primary amine ethylamime if its pH in solution is 9.0?

answered Jan 21 in Organic Chemistry

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What is the main difference between eukaryotic and prokaryotic cells?

answered Jan 7 in Science

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Refraction happens when light bends from doing what in a new medium?

answered Dec 31, 2024 in Science

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All matter is composed of tiny indivisible particles called atoms. all atoms of an element are identical in mass and this?

answered Dec 30, 2024 in Science

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All forms of energy can be interconverted. three things can change the energy of an object: the transfer of heat, work performed on or by an object, or some combination of what?

answered Dec 30, 2024 in Science

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Abnormal electrical activity in the brain is the cause of what disease associated with seizures?

answered Dec 30, 2024 in Science

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