Activation energy is required to start a chemical reaction. Activation energy is the energy needed to allow the reactant to react. Activation energy is measured in Joules (J).

5 0

3 years ago

How does leap year work?

Lilit [14]

It happens every 4 years

6 0

2 years ago

Each of the following statements describes a type of column chromatography. Sort the statements to the type of chromatography th

horsena [70]

Answer:

Explanation:

Separate molecules by size. > All

Separate molecules by charge. > Ion-exchange Chromatography, Affinity Chromatography

The stationary phase has a covalently bound group to which a protein in the mobile phase can bind. > All

Uses a mobile phase and a stationary phase to separate proteins. > All

The stationary phase contains cross-linked polymers with different pore sizes. > Size-exclusion Chromatography

Can separate molecules based on protein-ligand binding. > Affinity Chromatography

The stationary phase may contain negatively or positively charged groups. > Ion-exchange Chromatography, Affinity Chromatography

7 0

3 years ago