Recent activity by RomeoN798966

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Calculate the standard enthalpy change of the following chemical reaction at 298 K given the following bond energies: 2H2(g) + O2(g) --> 2H2O(l) Bond energies: H-H: 432 kJ/mol O=O: 498 kJ/mol O-H: 464 kJ/mol

answered 2 days ago in Physical Chemistry

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Calculate the enthalpy of desorption for the process of magnesium oxide (MgO) surface drying at a temperature of 500 K, given that the equilibrium pressure of water vapor above the dried MgO is 0.056 atm and the enthalpy of adsorption of water on MgO is -44.48 kJ/mol.

answered Jan 23 in ThermoChemistry

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Where did Social Identity Theory originate?

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In single-celled organisms, what does the plasma membrane extensions help the organisms to do?

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Are the joints between the vertebrae contained in your backbone fully movable, partially movable, or unmovable?

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1 answer 8 views

Apical dominance, seed germination, gravitropism, and resistance to freezing are all positively influenced by what type of chemicals in plants?

answered Dec 30, 2024 in Science

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