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What do we know from the question? 1. we know the balanced equation 2. we know the mass of zinc chloride we want to form. using the equation number of moles = mass/Mr we can calculate the number of moles ...

There are different rules when it comes to indices. First of all we will look at the example of multiplying two expressions . For example, y² x y⁴ . Here we need to do the addition r...

5th Term is a+18b=442nd term is a+ 6b=8subtract the two equations from eachother to get 12b=36 rearrange so that b=36/12=3 substitute b=3 into any of the above equations to get a; a=8-(6x3) = -10 so a=-10...

A lot of the time, the inclusion or omission of a definite article in Spanish matches up with the English translation.
For example, pasame EL arrozpass me THE rice
It can be used to talk about:•...

one example paragraph:The theme of ambition is presented as the direct cause of madness, This was ironically done by Shakespeare because Macbeth's hamartia is the ambition of power, and this is shown as t...