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From the equation given in the question we can see that one mole of hydrochloric acid (HCl) reacts with one mole of sodium hydroxide (NaOH). 

The first thing to do is to work out the numb...

The first thing to know is that a square has equal sides, and that the area of a square is length x length.

Therefore in this case

Length x length = 100    or    Length^...

JS Bach's role in the development of Equal Temprament was vital. Equal Temprament is a type of tuning, which over time has become standardised on almost all instruments in Western Classical Music. Inst...

ER, IR and AR are the three different endings of Spanish verbs. IR and ER verbs are conjugated in a similar way, and AR verbs in a different way in the present tense. 

With all regular ve...

The hypothalamus in the brain controls the body temperature.

If the temperature gets too high:
receptors in the hypothalamus detect the change.
the heat loss ...