Questions by GordonChoate

0 votes

1 answer 22 views

Calculate the standard enthalpy change for the reaction: CuSO4 (aq) + 4NH3 (aq) -> Cu(NH3)4SO4 (aq) given that the standard enthalpy changes of formation for CuSO4 (aq) and NH3 (aq) are -771.5 kJ/mol and -46.19 kJ/mol respectively, and the standard enthalpy change of formation for Cu(NH3)4SO4 (aq) is -2130.4 kJ/mol.

asked 2 days ago in Chemical thermodynamics

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1 answer 37 views

Calculate the standard enthalpy change for the formation of methane (CH4) from its elements carbon (C) and hydrogen (H2) at standard conditions, given the following thermodynamic data: ΔHf(C) = 0 kJ/molΔHf(H2) = 0 kJ/molΔHc(CH4) = -890.3 kJ/mol

asked 2 days ago in Chemical thermodynamics

0 votes

1 answer 6 views

According to the Cannon-Bard theory of emotion, why do we experience emotions and physiological reactions at the same time?

asked Jan 17 in Psychology

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1 answer 8 views

What is continually released during childbirth through a positive feedback mechanism and prompts uterine contractions to fetal head toward the cervix?

asked Jan 6 in Science

0 votes

1 answer 21 views

The net effect of aldosterone is to conserve and increase water levels in the plasma by reducing the excretion of what element, and thus water?

asked Dec 30, 2024 in Science

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