Wednesday, October 2, 2013

6 Random Questions Answered

If you are an AUS-e-TUTE member you can just ask us a question and we'll do our best to answer it in a meaningful way, but, if you are not an AUS-e-TUTE member you'll have to resort to asking a search engine, and if you are lucky, we might answer your question here (if you have encrypted your search, for example if you are logged into a gmail account when you search google, we can't answer your question here).

Question from USA, "a substance that cannot be separated into simpler substances by physical or chemical mean is an it a mixture"
Answer from Yes, a substance that cannot be separated into simpler substances by physical means is a pure substance and not a mixture. If the pure substance can be separated by chemical means, then it is a compound and not an element.

Question from USA, "what is the density of a substance with a mass of 47.2 g and a volumn of 36 mL ?"
Answer from density = mass(g)/volume(mL) = 47.2/36 = 1.31g/mL

Search from Canada, "what are some princeples of pure substance and mixturs"
Reply from "Mixtures can be separated by physical means. Pure substances cannnot be separated into their component parts using physical means"

Search from Malaysia, "why stable compound release less energy"
Reply from "Breaking bonds requires energy, making bonds releases energy. The more energy that is required to break the bonds, the more stable the compound will be."

Search from USA, "density of elements between 3.0g/ml and 6.0g/ml"
You can look these up for yourself here

Search from USA, " electron neon orbitals"
Response from Do you want the set of orbitals (s and p orbitals) or the electron configuration of neon (1s2 2s2 2p6)?

No comments:

Post a Comment