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Firstly, we differentiate y = x²+7x+3 . This gives dy/dx = 2x+7.The minimum value occurs when dy/dx = 0. So find x and y when dy/dx=0. 2x+7=0 implies x= -3.5, which from the first equation mean...

The changes in reactivity are due to the electron donating/withdrawing properties of the substituted groups. For example the OH group in Phenol is electron donating. This means the electron density of the...

1^st consider the bonding in methane, CH4. The carbon atom forms 4 single covalent bonds to hydrogen atoms. However, when we consider the electronic configuration of Carbon (electrons-in-box not...

French can be confusing like that! In English, nouns are neither feminine or masculine. So you can always use the same articles such as "a" or "the". In French, each word has a gender....

Globalisation is the increase in connectivity of the world through the trade of goods and services. The effects of globalisation can benefit two different parties: one being producers; the other being con...