QUESTION ONE (a) What are concentration cells? Describe and discuss an electrolyte
concentration cell without transference
1101
(b) Calculate the EMF of the electrode concentration cell
121
PL Halpu). HCI. Hapa): Pt at 25°C if p = 600 torr and p2 = 400 torr
(c) Predict whether the following reaction would proceed spontaneously as
written at 298 K
Cd(s)
Fe (aq)
Cd2(aq)
Fe(s)
Given that [Cd?'y = 0.15M and [Fe2+] = 0.68M
The standard reduction potentials of cadmium and iron are -0.403 and -0.447
volts respectively
[3]
(d) Explain reversible cell? Name the different types of reversible cell (5)

Which one of the following gases is not an important component of soil?

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules