Recent content by Mathesaurus

  1. M

    What Are Unique Acoustics Topics for an IB Extended Essay?

    Does anyone here know of some interesting problems in acoustics? I'm writing an extended essay for the IB Diploma (I'm sure you've been annoyed by a few others asking similar questions) and am at a bit of a loss right now. The topics I've looked at so far have either been overresearched to the...
  2. M

    What does it mean for a chemical reaction to do work on a battery?

    I don't know how much chemistry background you have, so if this is either too confusing or not specific enough, please tell me. Different chemicals (usually metal ions) have different "standard reduction potentials." This basically means that it takes different amounts of energies to add...
  3. M

    Explanation of Ice Cube in water.

    To begin with, think of "heat" simply as kinetic energy being transferred around between molecules. The transfer happens when molecules collide: if you strike a slow moving ball with a faster ball, the slow one moves a bit faster and the fast one a bit slower. It's about the same with molecules...
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