Answers by IsobelBrione

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How can students effectively learn and understand concepts of chemistry that require the use of laboratory equipment and facilities when they have limited access to them?

answered 6 hours ago in Chemical education

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Calculate the standard enthalpy change for the reaction: CuSO4 (aq) + 4NH3 (aq) -> Cu(NH3)4SO4 (aq) given that the standard enthalpy changes of formation for CuSO4 (aq) and NH3 (aq) are -771.5 kJ/mol and -46.19 kJ/mol respectively, and the standard enthalpy change of formation for Cu(NH3)4SO4 (aq) is -2130.4 kJ/mol.

answered 2 days ago in Chemical thermodynamics

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Calculate the heat capacity of a 25.0 g sample of copper, given that it was heated from 25°C to 50°C when it absorbed 209 J of heat. The specific heat capacity of copper is 0.385 J/g°C.

answered Jan 23 in Chemical thermodynamics

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Calculate the electronegativity difference between carbon and hydrogen atoms in methane (CH4). Show the steps involved in the calculation and explain what the value of the electronegativity difference indicates about the bonding between the atoms.

answered Jan 23 in Chemical bonding

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What is the purpose of using a z-score?

answered Jan 16 in Psychology

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When was the theory of discourse developed?

answered Jan 15 in Psychology

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What is necessary in a person who wishes to play wind instruments?

answered Jan 6 in Science

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Most sedimentary rocks form from what?

answered Dec 31, 2024 in Science

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In what type of climate might one find deciduous trees?

answered Dec 31, 2024 in Science

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In ancient egypt gold mines were the property of what?

answered Dec 31, 2024 in Science

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How much can the bacteria in your gut weigh?

answered Dec 30, 2024 in Science

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