Answers by LacyHarrel64

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Calculate the heat of mixing when 50.0 mL of 1.00 M HCl is added to 50.0 mL of 1.00 M NaOH at 25°C. The heat capacity of the solution is 4.18 J/(g·°C) and the density of the final solution is 1.00 g/mL. Assume that the heat change is equal to the enthalpy change.

answered Jan 23 in ThermoChemistry

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Calculate the enthalpy change for the isomerization of butene-1 to butene-2 given that the standard enthalpy of formation of butene-1 is -25.3 kJ/mol and the standard enthalpy of formation of butene-2 is -23.6 kJ/mol. The reaction is carried out at a constant pressure of 1 atm and a temperature of 298 K.

answered Jan 23 in ThermoChemistry

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Why do biological psychologists focus on the role of the brain and genetic factors in behaviour?

answered Jan 17 in Psychology

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How do individualistic and collectivistic cultures differ in their approaches to mental health?

answered Jan 14 in Psychology

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What is the term for body parts that do not serve their original function?

answered Jan 7 in Science

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What is the common abbreviation for noting the rhesus blood type?

answered Jan 6 in Science

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Blood volume increases substantially during pregnancy, so that by childbirth, it exceeds its preconception volume by 30 percent, or approximately what?

answered Dec 30, 2024 in Science

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The maturing follicle, containing a fluid-filled cavity, enlarges, forming a bulge near the surface of what?

answered Dec 27, 2024 in Science

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