Questions by PhyllisNecai

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1 answer 54 views

Calculate the heat required to sublime 10 grams of dry ice (carbon dioxide) at its melting point (-78.5°C) and convert it to a gas at its boiling point (-57°C). The heat of sublimation of carbon dioxide is 25.2 kJ/mol.

asked Jan 23 in ThermoChemistry

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1 answer 55 views

Calculate the heat of mixing when 25.0 mL of 0.50 M HCl solution is added to 25.0 mL of 0.50 M NaOH solution at 25 °C. The heat capacity of the resulting solution is 4.18 J/g°C and the density is 1.00 g/mL. Assume the heat of reaction is constant at 57.1 kJ/mol.

asked Jan 23 in ThermoChemistry

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1 answer 9 views

According to Erik Erikson's psychosocial theory, what are the stages of development?

asked Jan 20 in Psychology

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1 answer 35 views

What is artificial intelligence?

asked Jan 15 in Psychology

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1 answer 25 views

Bees are naturalized on every continent except which?

asked Dec 30, 2024 in Science

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1 answer 24 views

What corrosive substances capable of dissolving many metals can cause contamination if spilled?

asked Dec 28, 2024 in Science

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