Recent activity by KathiCannan0

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Calculate the standard enthalpy change for the dissolution reaction of 10.0 g of NaOH(s) in 100.0 g of water at 25°C, given that the heat absorbed by the solution is 9.14 kJ. (Molar mass of NaOH = 40.00 g/mol and specific heat capacity of water = 4.18 J/g·°C)

asked 2 days ago in Chemical thermodynamics

1 answer 30 views

A certain polymerization reaction has a ΔH°rxn of -250 kJ/mol. If you need to make 500 grams of the polymer, how much energy in kilojoules will be released or absorbed during the reaction?

answered Jan 22 in ThermoChemistry

1 answer 52 views

What is the difference between naturalistic observation and participant observation?

answered Jan 20 in Psychology

1 answer 5 views

Where is evidence-based practice used in clinical psychology?

answered Jan 16 in Psychology

1 answer 22 views

What is social learning?

asked Jan 14 in Psychology

1 answer 28 views

Which is the fourth planet from the sun?

answered Jan 8 in Science

1 answer 28 views

What kingdom in the domain eukarya that includes molds, mushrooms, and yeasts called?

asked Jan 7 in Science

1 answer 18 views

What does a healthy immune system fight off?

answered Jan 6 in Science

1 answer 54 views

What do corals secrete that builds up to become a coral reef?

asked Jan 6 in Science

1 answer 20 views

What are carbonated beverages pressurized with?

answered Jan 2 in Science

1 answer 9 views

The chromosomal theory of inheritance proposed that what reside on chromosomes?

asked Dec 31, 2024 in Science

1 answer 10 views

Most modern seed plants are angiosperms that produce seeds in the what of flowers?

asked Dec 31, 2024 in Science

1 answer 21 views

How many valence electrons does a sodium atom have ?

asked Dec 28, 2024 in Science

1 answer 28 views

What is the term for a resource that is used in a way that meets the needs of the present without keeping future generations from meeting their needs?

asked Dec 28, 2024 in Science

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