Questions by KraigPetheri

0 votes

1 answer 26 views

Calculate the standard enthalpy of formation of carbon dioxide gas (CO2) given the following information: C(s) + O2(g) → CO2(g) ΔH = -393.5 kJ/mol H2(g) + 1/2O2(g) → H2O(l) ΔH = -285.8 kJ/mol 2C(s) + 2H2(g) + 5/2O2(g) → 2CO2(g) + 2H2O(l) ΔH = -890.4 kJ/mol

asked 2 days ago in ThermoChemistry

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1 answer 48 views

A student performed an experiment to synthesize aspirin using 5 grams of salicylic acid and an excess of acetic anhydride. After the reaction was completed, the student collected 4.2 grams of aspirin. What is the percent yield of this experiment?

asked Jan 22 in Chemical reactions

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1 answer 21 views

What is the anchoring and adjustment heuristic?

asked Jan 20 in Psychology

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1 answer 5 views

When was the behaviourist theory first introduced?

asked Jan 16 in Psychology

0 votes

1 answer 30 views

What is an ethnography?

asked Jan 16 in Psychology

0 votes

1 answer 26 views

What is an example of group polarisation?

asked Jan 13 in Psychology

0 votes

1 answer 24 views

What are algae that live in colonies of hundreds of cells called?

asked Jan 2 in Science

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1 answer 22 views

How do they classify tornadoes?

asked Dec 30, 2024 in Science

0 votes

1 answer 21 views

Breeding in birds occurs through an internal type of what process?

asked Dec 30, 2024 in Science

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