Recent activity by ReganHannam5

1 answer 4 views

How can chemical education be redesigned to increase representation and diversity in the chemistry field, and why is diversity important for the advancement of the field?

asked 1 day ago in Chemical education

1 answer 32 views

Calculate the standard enthalpy change for the fusion reaction of solid sodium chloride (NaCl) at 25°C, given the following information: ΔHf°[NaCl(s)] = -411 kJ/molΔHf°[Na(s)] = 108 kJ/molΔHf°[Cl2(g)] = 0 kJ/mol The balanced chemical equation for the fusion reaction of NaCl is:NaCl(s) → Na(s) + 1/2Cl2(g)

answered 2 days ago in Chemical thermodynamics

1 answer 44 views

How can gas chromatography be used to determine the composition and quantity of individual components in a mixture of hydrocarbons?

asked Jan 29 in Analytical Chemistry

1 answer 45 views

Calculate the heat of mixing when 50 mL of 0.1 M HCl is mixed with 50 mL of 0.1 M NaOH at 25°C. The heat of neutralization for HCl and NaOH is -57.5 kJ/mol.

asked Jan 23 in ThermoChemistry

1 answer 48 views

Calculate the Gibbs free energy change for the following reaction at 298 K: 2H2(g) + O2(g) → 2H2O(l) Given, ΔH = -483.6 kJ/mol and ΔS = -109.4 J/K/mol.

asked Jan 23 in Chemical thermodynamics

1 answer 68 views

A student measures the current in a galvanic cell with a standard potential of 1.10 V, using a Zinc electrode and a Copper electrode. The student recorded the current as 0.50 A. What is the rate of the electrochemical reaction occurring in the cell?

answered Jan 22 in ElectroChemistry

1 answer 22 views

What is the difference between acute stress disorder and post-traumatic stress disorder?

answered Jan 17 in Psychology

1 answer 5 views

What is the difference between correlational and experimental research?

asked Jan 13 in Psychology

1 answer 42 views

What is defined as the mass per unit volume of a substance?

answered Jan 6 in Science

1 answer 46 views

Since 1900, four of the five earthquakes of the greatest magnitude occurred near what appropriately nicknamed pacific location?

asked Dec 31, 2024 in Science

1 answer 22 views

Geologists found that the youngest rocks on the seafloor were where?

answered Dec 30, 2024 in Science

1 answer 21 views

Body waves and surface waves are the two major types of what, which occur during earthquakes?

answered Dec 30, 2024 in Science

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