Design an experiment for the separation of pigments in a different colorful vegetable not used in this lab. Outline a procedure and explain your reasoning for each step.

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

What is one real world example of a colligative property?

When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?