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The molecules move in random motion. Collisions of molecules with each other and with the walls are elastic (total kinetic energy stays constant). Time in contact is small compared with time between colli...

1. There are four (4) groups of electrons around the central nitrogen atom (3 shared pairs and one lone pair of electrons)2) According to electron repulsion theory, the electrons move further away from...

In the short run at least one of the factors of production (Land, Labor, Capital and Enterprise) is fixed. Due to this there are short run fixed costs relating from the fixed factors of production. In Eco...

A low level of glucose in the blood will stimulate secretion of glucagon to increase the amount of glucose in the blood. Glucagon causes the liver to release stores of glycogen to be converted to glucose...

As x is present as both numerator and denominator (top & bottom), we're going to use the quotient rule to solve this. The quotient rule is as follows:For y=f(x)/g(x), dy/dx=(f'(x).g(x)-f(x).g'(x)...