Top answers

Chemistry
A Level

When you are given a table of half cells with values for electrode potentials, how do you find the strongest oxidising and reducing agent?

Possibly the easiest way to do this is by thinking about what the value of Electrode Potential means. The more positive the Electrode Potential, the greater the tendency of the species in the equation to ...

JS
Answered by James S. Chemistry tutor
7822 Views

What is an acid and what is the difference between and strong and weak acid

An acid is a proton donor. The acid molecule may have one or more protons that it can lose depending on its structure, however generally the second proton is much less acidic (meaning that it is lost much...

LS
Answered by Lea S. Chemistry tutor
2587 Views

The Haber-Bosch process is used in industry to produce ammonia. Explain how the use of high temperature and pressure affects the rate of reaction.

According to collision theory: Increasing the temperature increases the average energy of the system. This means more molecules have enough energy to overcome the activation enthalpy when they collide, ca...

AW
Answered by Adam W. Chemistry tutor
4098 Views

How would you work out the mols of a substance?

Mols is a measure of the amount of a molecule present, chemically defined as 1/12th of an atom of carbon 12

Mols = Mass (g) / Molecular Mass (gmol^-1)

BU
Answered by Bilal U. Chemistry tutor
2310 Views

Explain how the electron pair repulsion theory can be used to deduce the shape of, and the bond angle in, PF3

Phosphorous has five electrons in its outermost shell of electrons. Fluorine provides three electrons to the phosphorous allowing the formation of a stable central phosphorous atom which now has 8 electro...

PB
Answered by Prashan B. Chemistry tutor
9955 Views

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