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A small metal block is placed in a beaker containing boiling water. The block initially weighs 50 grams and its temperature is 25°C. After 5 minutes, its weight is 49 grams and its temperature is 80°C. Determine the entropy change of the metal block during this process assuming it to be irreversible.

answered Jan 22 in Physical Chemistry

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Please evaluate the social penetration theory.

asked Jan 20 in Psychology

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Why is correlation research important?

answered Jan 17 in Psychology

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Who developed the theory of Ethnomethodology?

answered Jan 15 in Psychology

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What is the role of the researcher in qualitative research?

answered Jan 15 in Psychology

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What is the difference between closed-loop and open-loop processing?

answered Jan 13 in Psychology

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What term describes waves that transfer energy through matter?

asked Jan 7 in Science

1 answer 43 views

Group 16 is called the oxygen group. what is the only metalloid in this group?

answered Dec 30, 2024 in Science

1 answer 38 views

Bromide is present in brines, which are naturally occurring solutions of what?

answered Dec 30, 2024 in Science

1 answer 30 views

A fully developed placenta is made up of a large mass of what?

asked Dec 28, 2024 in Science

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