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This question tests your knowledge on weak acids, pH, Ka and equilibrium. (Note: E notation has been used, E-3 is x10^-3 ). Formic acid is a weak acid and so does not fully dissociate, the degre...

the mean is the average value when you add together all of the numbers in your sample and then divide the result by the amount of numbers in the sample.the mode is the most common number in the sample, th...

The Ontological argument (in its most famous form) was originally proposed by Saint Anselm of Canterbury. He argued that if we define God as "a being than which no greater can be conceived", God...

A sense organ is a specialise organ, with a cluster of receptor cells that sense changes in the environment.

E=mc0E = 1 x 450 x (400-60)E = 1 x450 x 340E = 153,000J