Questions by SelenaD5641

0 votes

1 answer 57 views

Calculate the heat of mixing when 25 grams of ethanol is added to 75 grams of water at 25°C. The heat of mixing of ethanol in water is -4.4 kJ/mol. Assume the densities of ethanol and water to be 0.789 g/mL and 1 g/mL, respectively, and the specific heat of the mixture to be 4.184 J/g°C.

asked Jan 23 in ThermoChemistry

0 votes

1 answer 29 views

What are the limitations of the behavioural approach to leadership?

asked Jan 16 in Psychology

0 votes

1 answer 42 views

According to the humanistic theory of anxiety, why do people develop anxiety disorders?

asked Jan 15 in Psychology

0 votes

1 answer 37 views

What does a thermometer measure?

asked Jan 6 in Science

0 votes

1 answer 33 views

Explosive eruptions associated with what can be tens of thousands of times as powerful as an atomic bomb?

asked Dec 30, 2024 in Science

0 votes

1 answer 46 views

Algae are like plants mainly because they contain what?

asked Dec 30, 2024 in Science

...