Recent activity by VFDShayna27

1 answer 35 views

Calculate the standard enthalpy change for the phase transition reaction of ice to water at a constant pressure of 1 atm, given the following information:- The standard enthalpy of fusion for ice is 6.01 kJ/mol.- The molar heat capacity of ice is 36.8 J/(mol K).- The molar heat capacity of liquid water is 75.3 J/(mol K).- The melting point of ice is 0°C.- The boiling point of water is 100°C.

answered Feb 3 in Chemical thermodynamics

1 answer 68 views

A 0.25 mol/L solution of ethanoic acid (CH3COOH) is mixed with a 0.40 mol/L solution of sodium acetate (CH3COONa). The equilibrium constant for the reaction CH3COOH + NaCH3COO ⇌ CH3COONa + H2O is 1.8 x 10^-5. What is the concentration of CH3COONa at equilibrium?

asked Jan 22 in Chemical equilibrium

1 answer 56 views

Compare and contrast the cognitive perspectives on attention with the biological perspective. Please evaluate which perspective provides a more accurate account of attention.

asked Jan 20 in Psychology

1 answer 45 views

What is the aim of person-centred therapy?

asked Jan 20 in Psychology

1 answer 34 views

According to Vygotsky, how do children acquire knowledge?

answered Jan 17 in Psychology

1 answer 26 views

Which type of plankton make food via photosynthesis?

answered Jan 8 in Science

1 answer 41 views

The process of the cytoplasm splitting apart and the cell pinching in two is known as what?

answered Jan 2 in Science

1 answer 25 views

For a given amount of solute, do smaller particles have a greater or lesser surface area?

asked Dec 28, 2024 in Science

...