Proposing an explanation for the changing colors of the sky is an example of a (n)

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Referring back to question 6 above, in the TLC plate on the left the mobile solvent phase was ethyl acetate, in the plate on the right it was 97% ethyl acetate and 3% methanol.

Match the chemical reactions. 1. molecules rearrange and form new molecules decomposition 2. simultaneous decomposition and synthesis exchange 3. bonds broken and elements released synthesis 4. molecules formed from components reversible

When a liquid in a closed container reaches a state of equilibrium with its vapor, a. the number of molecules in the vapor state and the liquid state are equal b. the number of molecules evaporating and condensing are equal

During which phase does earth see more than half of the moons surface?

What is the mass of an original 5.60-gram sample of iron-53 that remains unchanged after 25.53 minutes?

What happens as a result of the kinetic energy of the particles in a liquid being comparable with the intermolecular attractions between the particles? A The particles do not move enough to change positions, so the liquid is not compressible.

How many moles are im 8.31x1023 molecules of h2so4

Which terms most precisely describes the cellular process of breaking down large molecules into smaller ones?

A gas in a rigid container is heated so that it's kelvin temperature doubles. What happens to its pressure