Recent activity by RussellOdoms

1 answer 33 views

Given a certain substance with a mass of 25 grams and an initial temperature of 25°C, if it absorbs 500 joules of heat energy, what is the final temperature of the substance? The heat capacity of the substance is 0.5 J/g·°C.

asked 1 day ago in Chemical thermodynamics

1 answer 27 views

Calculate the standard enthalpy change for the reaction of 2 moles of liquid ethanol (C2H5OH) reacting with 1 mole of gaseous oxygen (O2) to form 2 moles of gaseous carbon dioxide (CO2) and 3 moles of liquid water (H2O) at a temperature of 298K. Assume the reactants and products are at standard state conditions.

answered 2 days ago in Chemical thermodynamics

1 answer 48 views

When can mindfulness be used as a therapeutic technique?

asked Jan 20 in Psychology

1 answer 26 views

What is the relationship between attention and emotion?

answered Jan 17 in Psychology

1 answer 16 views

What is the social identity theory proposed by Henri Tajfel and John Turner?

answered Jan 13 in Psychology

1 answer 59 views

Which hormones work together to control the level of glucose in the blood?

asked Jan 8 in Science

1 answer 6 views

What type of tissue covers the outside of a plant in a single layer of cells called the epidermis?

answered Jan 8 in Science

1 answer 51 views

The abundance of this substance in the atmosphere is what most scientist agree that is causing global warming?

answered Dec 31, 2024 in Science

1 answer 8 views

Knees and elbows are examples of what part of the skeletal system?

answered Dec 31, 2024 in Science

1 answer 27 views

In mammals, sound waves are collected by the external, cartilaginous part of the ear called the pinna, then travel through the auditory canal and cause vibration of the thin diaphragm called the tympanum or this?

answered Dec 31, 2024 in Science

1 answer 24 views

An acellular, external cuticle protects the _________.

asked Dec 30, 2024 in Science

1 answer 11 views

What functions as a framework that reinforces the shape of the leaf?

asked Dec 27, 2024 in Science

...