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First the equation for y must be substituted into the first equation to give a quadratic equation in x. Rearrange this equation so that the left-hand side equals 0. Using the quadratic formula the possibl...

First we need to construct the equation of the combustion: C2H5OH(l) + 3O2(g) --> 2CO2(g) + 3H2O(l)Use aid of structural formulaLeft hand side (endothermic - requires energy):5(413) + 347 + 358 + 464 +...

Phototropism is the directional growth of a plant in response to a light stimulus.If it grows towards the light then it is positive (the most common type of phototropism)...

A factory producing clothes would likely produce air pollution. This is a negative externality as it is an unintended consequence of production.

A pesar de su fama mundial y su riqueza, Shakira no ha olvidado los niños de su país de origen.