Top answers

Chemistry
A Level

What is the pH of 0.10 mol.dm^(-3) sodium hydroxide solution, NaOH?

To calculate the pH of a solution/compound, we can use the equation: pH = - log10[H+]Within the sodium hydroxide solution, you would observe Na + and OH - ions so in order to find the concentra...

Answered by Simran S. Chemistry tutor
15588 Views

How do I tackle Kc questions?

I like to use something called the ICE method:I = initial moles C = Change in molesE = equilibrium moles once you draw the ICE table with the formula on top you simply fill in the blanks. Now remember, i...

Answered by Chemistry tutor
1469 Views

Explain the trends in ionisation energies across the 2nd period of the periodic table?

The general trend observed is that ionisation energies increase from left to right across the periodic table. There are 3 primary factors in determining ionisation energies: 1.) Atomic radius- the smaller...

Answered by Max F. Chemistry tutor
3301 Views

What is meant by 1st ionisation energy?

The energy required to remove an electron from 1 mole of gaseous atoms to form 1 mole of gaseous 1+ ions

Answered by Tiffany Z. Chemistry tutor
1365 Views

Why does phenol readily undergo electrophilic substitution but benzene does not without the aid of a catalyst?

Benzene's delocalised π system of electrons makes it not quite electron rich enough for the reaction to take place. The lone pair from the -OH group in phenol adds enough electron density into the ring so...

Answered by Frederick B. Chemistry tutor
1831 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences