Recent activity by Charli07L244

1 answer 24 views

Calculate the standard enthalpy change for the formation of carbon dioxide (CO2) from its elements, given the following standard enthalpies of formation:ΔHf°(CO2) = -393.5 kJ/molΔHf°(C) = 0 kJ/molΔHf°(O2) = 0 kJ/mol

answered 2 days ago in Chemical thermodynamics

1 answer 45 views

How do changes in surface properties of food contact materials, such as metals or polymers, affect the adhesion and removal of microorganisms during food and beverage processing?

answered 5 days ago in Surface Chemistry

1 answer 47 views

What is the balanced equation for the oxidation of ethanol (C2H5OH) to ethanoic acid (CH3COOH) using acidified potassium dichromate (K2Cr2O7)? How many moles of potassium dichromate are required to completely oxidize 25 mL of 0.1 M ethanol?

asked Jan 21 in Organic Chemistry

1 answer 50 views

Please compare Erikson's theory versus Lawrence Kohlberg's theory of moral development.

asked Jan 17 in Psychology

1 answer 5 views

When can cognitive load, according to cognitive load theory, be reduced?

answered Jan 17 in Psychology

1 answer 25 views

According to gestalt psychology, what is the figure-ground relationship?

asked Jan 16 in Psychology

1 answer 23 views

Where does the personality psychology perspective focus in psychology?

answered Jan 16 in Psychology

1 answer 31 views

What is 'environment' in relation to intelligence?

asked Jan 15 in Psychology

1 answer 25 views

What is a confounding variable?

answered Jan 14 in Psychology

1 answer 20 views

What is the gender similarities hypothesis?

answered Jan 14 in Psychology

1 answer 32 views

Why do electronegativities decrease from top to bottom?

asked Jan 8 in Science

1 answer 24 views

While still an early fetus, what is the skeleton made of?

answered Jan 8 in Science

1 answer 41 views

What type of energy travels in waves across space as well as through matter?

asked Jan 8 in Science

1 answer 24 views

What occurs when nature reclaims areas formerly occupied by life?

asked Jan 7 in Science

1 answer 18 views

What are the "code words" of the genetic code?

answered Jan 3 in Science

1 answer 29 views

The diversity of life on earth today is the result of what?

asked Jan 2 in Science

1 answer 21 views

Electromagnets can be turned on or off and their strength can be changed by controlling what?

asked Dec 30, 2024 in Science

1 answer 30 views

What is the equation of power released?

asked Dec 27, 2024 in Science

...