what is unit

What is a unit? What are its characteristics?

What is a unit vector?

What is specific conductance of a solution and what is its unit? How is it related to the equivalent conductance of the solution?

What are units of cryoscopic contant?

For a second-order reaction, what is the unit of the rate of the reaction

What is SI unit of viscosity coefficient (eta) ?

What is SI unit of viscosity coefficient (eta) ?

Define surface tension. What are its units ?

What is entropy and in what units is it expressed ? Discuss the physical significance of entropy.

What is primary productivity? In what units would you express productivity?