Recent activity by TamelaHollim

1 answer 35 views

Calculate the standard enthalpy change for the combustion of methane gas (CH4) given the balanced chemical equation:CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l)The relevant standard enthalpies of formation are:ΔHf°[CH4(g)] = -74.87 kJ/molΔHf°[CO2(g)] = -393.5 kJ/molΔHf°[H2O(l)] = -285.8 kJ/mol

asked 2 days ago in Chemical thermodynamics

1 answer 57 views

What is the isomeric relationship between butane and 2-methylpropane? Draw the structures for each of the isomers and explain the difference in their physical properties.

answered 5 days ago in Organic Chemistry

1 answer 29 views

Why is effect size important?

answered Jan 17 in Psychology

1 answer 25 views

Who theorised social cognitive theory?

asked Jan 17 in Psychology

1 answer 23 views

When evaluating a theory, what is the criterion for falsifiability?

asked Jan 17 in Psychology

1 answer 26 views

What is the constructive memory theory?

answered Jan 16 in Psychology

1 answer 25 views

According to Erik Erikson's psychosocial theory, what is the characteristic of the stage of intimacy vs. isolation in young adulthood?

asked Jan 15 in Psychology

1 answer 20 views

According to the Levels of Processing Theory, how do different levels of processing affect memory?

asked Jan 15 in Psychology

1 answer 24 views

What is the main argument of the life span perspective?

asked Jan 15 in Psychology

1 answer 8 views

Who developed the social learning theory?

asked Jan 10 in Psychology

1 answer 56 views

What kind of container is used to measure heat changes during a chemical reaction or physical process?

asked Jan 7 in Science

1 answer 19 views

What is a thick, dark brown or black liquid found in rock layers of the earth's crust?

asked Jan 6 in Science

1 answer 45 views

What does photosynthesis change light energy into?

answered Jan 6 in Science

1 answer 19 views

Long distance runners try to maintain constant velocity with very little acceleration or deceleration to conserve what?

asked Dec 31, 2024 in Science

1 answer 51 views

How is communication initiated and maintained with spacecraft?

answered Dec 30, 2024 in Science

1 answer 32 views

Algae convert energy from the sun into food by means of what process?

asked Dec 30, 2024 in Science

1 answer 19 views

For fertilization to occur in angiosperms, pollen has to be transferred to the stigma of what?

asked Dec 27, 2024 in Science

1 answer 26 views

What is produced by leydig cells in the embryonic testis and stimulates the development of male sexual organs?

answered Dec 27, 2024 in Science

...