2. In a paper chromatography analysis, three pigments, A, B, and C, were dissolved in a polar solvent. A is slightly polar, B is highly polar, and C is moderately polar. List in order how these will appear on the surface of the chromatography

Why don't noble gases bond?

Which correctly describes the laws of conservation? A. Mass is not conserved in a chemical reaction. B. Energy is not conserved in a nuclear reaction. C. Mass is conserved in a nuclear reaction. D. Energy is not conserved in a chemical reaction.

Which of the following would have the best thermal insulation properties? A. A paper cup B. a plastic cup C. a thick mug D. a cup made of metal

What element are diamonds composed of

Write the Lewis structure and molecular formula for each of the following hydrocarbons: (a) hexane (b) 3-methylpentane (c) cis-3-hexene (d) 4-methyl-1-pentene (e) 3-hexyne (f) 4-methyl-2-pentyne

True or false: the hydrogen atom is most stable when it has a full octet of electrons.

Is it illegal for fracking companies to let water that has been used for fracking deep back into the ground?

Classify each substance as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous. a. Sweat b. Carbon dioxide c. Aluminum d. Vegetable soup

Which describes energy changes during nuclear fission? A very large amount of energy is produced from a tremendous mass. EEUU A very large amount of energy is produced from a very small mass. G .

For 2H2 + O2 → 2H2O: 4 moles of H2 will react with moles of O2 to produce moles of H2O