Recent activity by HudsonTrue72

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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 6 days ago in Chemical thermodynamics

1 answer 70 views

A chemistry student needs to prepare a buffer solution with a pH of 7.2 using acetic acid (CH3COOH) and sodium acetate (CH3COONa). The student has 100 mL of 0.1 M acetic acid and 100 mL of 0.1 M sodium acetate. What volume of each solution do they need to mix to prepare the desired buffer solution with a total volume of 500 mL?

answered Jan 22 in Chemical reactions

1 answer 32 views

What is the contrast effect?

answered Jan 20 in Psychology

1 answer 34 views

According to Emotional Intelligence Theory, what are the four core components of emotional intelligence?

asked Jan 17 in Psychology

1 answer 30 views

What are the limitations of the critical period hypothesis in language development?

asked Jan 15 in Psychology

1 answer 28 views

What is response bias?

asked Jan 14 in Psychology

1 answer 16 views

Which phylum is made up of segmented worms such as earthworms?

answered Jan 8 in Science

1 answer 31 views

Which waterfall series is the largest on the planet?

asked Jan 8 in Science

1 answer 28 views

What is used for cooling detectors of infrared telescopes?

asked Jan 7 in Science

1 answer 30 views

What is required for both the synthesis and breakdown of molecules?

asked Jan 6 in Science

1 answer 53 views

What broad group of living things serves as the major producers in terrestrial biomes?

answered Jan 6 in Science

1 answer 53 views

The cytoskeleton crisscrosses the cytoplasm, this gives what to the cell?

asked Dec 31, 2024 in Science

1 answer 36 views

The corona surrounds which major object in our solar system?

asked Dec 31, 2024 in Science

1 answer 61 views

What basic plant structure facilitates dispersal of pollen and fruit by raising reproductive structures?

asked Dec 27, 2024 in Science

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