Recent activity by LacyHarrel64

1 answer 27 views

How can the efficiency of the process for the production of food additives by chemical engineering be improved without compromising the quality and safety of the end product?

asked 4 days ago in Chemical engineering

1 answer 44 views

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

1 answer 49 views

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

1 answer 37 views

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

answered Jan 17 in Psychology

1 answer 39 views

What is the role of insight in Gestalt psychology?

asked Jan 16 in Psychology

1 answer 35 views

Where does the social cognitive perspective focus in psychology?

asked Jan 16 in Psychology

1 answer 25 views

How do existential psychologists view anxiety?

asked Jan 15 in Psychology

1 answer 30 views

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

answered Jan 14 in Psychology

1 answer 51 views

What term is used to describe foods containing active cultures of beneficial bacteria?

asked Jan 8 in Science

1 answer 35 views

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

answered Jan 7 in Science

1 answer 23 views

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

answered Jan 6 in Science

1 answer 13 views

Some compounds containing hydrogen are members of an important class of substances known as what?

asked Dec 31, 2024 in Science

1 answer 22 views

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

1 answer 50 views

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

answered Dec 27, 2024 in Science

1 answer 11 views

The release of mature eggs that occurs at the midpoint of each cycle is called?

asked Dec 27, 2024 in Science

1 answer 30 views

Corals build hard exoskeletons that grow to become what?

asked Dec 27, 2024 in Science

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