Write the principle and applications of the following processes; 1. Chromatography 2. Centrifugation

In which case would you revise a hypothesis? A. When you have no prior knowledge of a subject B. When you do not have enough data to make a graph C. When your experiment design does not work D.

What's the difference between saturated and unsaturated fatty acids?

What states that matter is never created or destroyed?

Why is silver nitrate used in qualitative analysis of an sn1 reaction? select all that apply?

More polar solvents (eluents) move molecules more rapidly than less polar solvents. If you used a 1:1 hexanes:methanol mixture as solvent, would you expect the products to elute faster or slower?

Actions of the non-valence electrons, diluting the force of the attraction between nucleus and valence electrons is called

Which statements accurately describe the greenhouse effect? Check all that apply. It is caused by liquids on Earth's surface. It is caused by gases in Earth's atmosphere. It warms up Earth's surface and the lower atmosphere.

How is geothermal produced

B2O3 (s) + 3C (s) + 3Cl2 (g) - - - > 2 BCl3 (g) + 3CO (g) Calculate how many moles of BCl3 are produced from the reaction of 61.0g of B203? A. 1.75 mol B. 0.0150 mol C. 51.3 mol D. 211 mol

A gas has a volume of 10 L at 0 C what is the final temperature of the gas if it volume increases to 25L