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Let's say we have the equation y = 2x + c and we are told that the line passes through the point (3, 4).  Our first step is to use the numbers from the point (3, 4), by substituting them into our equation...

According to the particle theory of light, hf=φ+KEmax, so along with the minimum amount of energy required, there is a minimum frequency as well, φ= hf_o. Thus, the incident photon must have a f...

H₂SO₄ ---> 2H⁺ + SO₄^{2-                                                                                                                                  ...}

Firstly, I would structure my essay in the style of compare and contrast, as this is what the examiners are ultimately looking for. Say I choose Death of a Naturalist and The...