Questions by JanaNye81690

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1 answer 40 views

Calculate the enthalpy of formation of sodium chloride from its constituent elements, given the following thermochemical equations:2Na (s) + 1/2 O2 (g) -> Na2O (s) ΔH° = -414.1 kJ/mol Na2O (s) + 1/2 Cl2 (g) -> NaCl (s) ΔH° = -411.2 kJ/mol

asked Jan 23 in ThermoChemistry

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1 answer 43 views

Calculate the enthalpy change of ionization for hydrogen gas when one mole of H2 gas is ionized to form two moles of H+ ions in the gas phase, given that the enthalpy change of ionization for H(g) is +1312 kJ/mol.

asked Jan 23 in ThermoChemistry

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1 answer 24 views

What is the difference between Piaget's and Vygotsky's theories?

asked Jan 20 in Psychology

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1 answer 55 views

Who is credited with the development of multiple regression?

asked Jan 20 in Psychology

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1 answer 28 views

Who emphasised the importance of observational learning?

asked Jan 17 in Psychology

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1 answer 38 views

Why is the social-cognitive theory criticised?

asked Jan 16 in Psychology

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1 answer 24 views

What is 'emotional intelligence'?

asked Jan 13 in Psychology

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1 answer 26 views

Life span is distinct from what, which means the sequence of stages a plant goes through from seed germination to seed production of the mature plant?

asked Dec 31, 2024 in Science

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1 answer 18 views

Alkanes are nonpolar and therefore do not attract what?

asked Dec 30, 2024 in Science

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1 answer 27 views

What hormone does the endocrine system secrete to help cells absorb blood sugar?

asked Dec 28, 2024 in Science

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