Recent activity by AlvinPayne11

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Calculate the ΔHrxn for the combustion of methane gas (CH4) if the enthalpies of formation for methane, carbon dioxide, and water are -74.8, -393.5, and -285.8 kJ/mol respectively, using Hess's Law.

answered 2 days ago in Chemical reactions

1 answer 59 views

How does alternative splicing affect the structure and function of RNA transcripts in eukaryotic cells? Provide examples of proteins that result from alternative splicing and explain how their functions differ from the unspliced form.

answered 6 days ago in BioChemistry

1 answer 37 views

Calculate the enthalpy change of oxidation for the combustion of 1 mole of ethane gas (C₂H₆) in oxygen gas (O₂) to form carbon dioxide gas (CO₂) and water vapor (H₂O), given the following enthalpies of formation: ΔHf(C₂H₆) = -84.7 kJ/mol, ΔHf(CO₂) = -393.5 kJ/mol, ΔHf(H₂O) = -241.8 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 94 views

A student is given the unbalanced equation for the reaction between magnesium sulfate and sodium hydroxide in aqueous solution: MgSO4 + NaOH -> Mg(OH)2 + Na2SO4. The student needs to balance the equation and determine the coefficients for each compound.

answered Jan 21 in Inorganic Chemistry

1 answer 20 views

When was the Thematic Apperception Test TAT developed?

asked Jan 20 in Psychology

1 answer 19 views

What is the Cattell-Horn theory?

answered Jan 20 in Psychology

1 answer 51 views

According to the cognitive approach, why do people behave the way they do?

answered Jan 17 in Psychology

1 answer 24 views

What is the weakness of falsifiability?

asked Jan 15 in Psychology

1 answer 29 views

The joints of the carpal bones in the wrist are examples of what type of joints?

asked Jan 2 in Science

1 answer 35 views

Fungi may have both asexual and sexual stages of what?

asked Dec 30, 2024 in Science

1 answer 29 views

A voltaic cell uses what type of reaction to generate an electric current

answered Dec 28, 2024 in Science

1 answer 24 views

A period is a horizontal row of the what?

answered Dec 28, 2024 in Science

1 answer 16 views

What do we call the recycling of inorganic matter between living organisms and their environment?

answered Dec 27, 2024 in Science

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