Recent content by KAAJAL

  1. K

    does anyone understand how a oxygen hydrogen fuel cell works?

    If you do, then can you please help me with these questions? Ok so this is what I was given: An oxygen hydrogen fuel cell is widely used in a manned space vehicle. I was given a simplified diagram of the fuel cell ( sorry I can't show u). The hydrogen and oxygen gases are passed over platinum...
  2. K

    Please can you check my math homework?

    Please can you tell me if my homework is right? ok so for the first question I had to find the inverse of F(x)=y=-2x+3 and I got: x=-2y+3 2y=-x+3 y=(-1/2)x-3/2 and for the next one I had 2 graphs: f(x)=y=-2x+3 and its inverse, and I had to find their point of...
  3. K

    can someone help me with my chemistry homework?

    ok so here it is. In an aluminium smelter,aluminium metal is extracted from bauxite,a hydrated aluminium oxide, via an electrolytic process. 1. write down the energy conversion that takes place in an electrolytic cell. 2.write down the equation for the half-reaction responsible for the...
  4. K

    When are 3D tvs coming out in South Africa?

    OK so I have been waiting for ages to get my hands on one of those AWESOME 3D tvs (you know with the 3D accessory kit)...but I have no idea WHEN it's releasing in SA, and WHERE... can someone help?
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