Questions by LaureneLeves

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1 answer 63 views

Calculate the enthalpy change for the reaction: 2H2(g) + O2(g) --> 2H2O(g) given the following enthalpy changes: H2(g) + 1/2O2(g) --> H2O(g) ΔH1 = -286 kJ/molH2(g) + 1/2Cl2(g) --> HCl(g) ΔH2 = -92 kJ/mol Cl2(g) --> 2Cl(g) ΔH3 = +242 kJ/molHCl(g) + 1/2O2(g) --> H2O(g) + Cl2(g) ΔH4 = -184 kJ/mol

asked Jan 23 in Chemical reactions

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1 answer 28 views

According to Erikson's stages of psychosocial development, what is the main task of the final stage of life?

asked Jan 16 in Psychology

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1 answer 64 views

What is the difference between central and peripheral processing in persuasion?

asked Jan 14 in Psychology

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1 answer 40 views

What two states of matter are included in the category "fluids"?

asked Jan 8 in Science

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1 answer 39 views

Well suited to absorb water and dissolved minerals from the soil, thin-walled dermal cells and tiny hairs cover what basic plant structures?

asked Jan 2 in Science

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1 answer 45 views

Oxygen is essentially just a waste product of the light reactions of what?

asked Dec 31, 2024 in Science

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1 answer 46 views

Lactose intolerance is a condition characterized by indigestion caused by this?

asked Dec 31, 2024 in Science

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