Recent activity by JuliannJfv26

1 answer 34 views

Calculate the standard enthalpy change for the formation of 2 moles of water vapor (H2O(g)) if the combustion of 1 mole of methane gas (CH4(g)) results in the formation of 2 moles of water vapor and 1 mole of carbon dioxide gas (CO2(g)). Given that the standard enthalpy change of combustion of methane is -890.4 kJ/mol.

asked 2 days ago in Chemical thermodynamics

1 answer 20 views

Calculate the power output of an electrochemical cell that uses a cathode made of silver metal immersed in a solution containing silver ions with a concentration of 0.05 M and an anode made of zinc metal immersed in a solution containing zinc ions with a concentration of 0.1 M. The temperature of the solutions is 298 K and the cell operates at a current of 0.5 A.

asked 2 days ago in ElectroChemistry

1 answer 16 views

Why is Kohlberg's theory of moral development important to psychology?

answered Jan 20 in Psychology

1 answer 3 views

Where can correlation be used in psychology research?

answered Jan 17 in Psychology

1 answer 25 views

When treating PTSD, what is eye movement desensitisation and reprocessing?

asked Jan 17 in Psychology

1 answer 20 views

Who developed the concept of perceptual set?

answered Jan 15 in Psychology

1 answer 23 views

What is solution-focused brief therapy?

answered Jan 14 in Psychology

1 answer 13 views

What is the relationship between authenticity and anxiety in existential psychology?

asked Jan 13 in Psychology

1 answer 17 views

Who proposed the concept of the collective unconscious?

asked Jan 10 in Psychology

1 answer 18 views

What results when birth rates fall even lower than death rates?

answered Jan 7 in Science

1 answer 26 views

What is the source of most of the energy used?

asked Jan 7 in Science

1 answer 23 views

What is driven by the sun's energy and moves water over the surface of earth?

asked Jan 6 in Science

1 answer 38 views

There are several types of wetlands including marshes, swamps, bogs, mudflats, and salt marshes. the three shared characteristics among these types—what makes them wetlands—are their hydrology, hydrophytic vegetation, and this?

answered Jan 2 in Science

1 answer 43 views

The heterotroph eats only or mainly what?

asked Jan 2 in Science

1 answer 29 views

Group 15 of the periodic table is also called which group?

asked Dec 30, 2024 in Science

1 answer 10 views

Bilaterally symmetrical animals have both dorsal and what type of sides?

asked Dec 27, 2024 in Science

...