Top answers

Explain the bonding in a metal complex, compare this to an ionic compound and covalent bonding

Metal complexes are kept together by a 'sea' of free electrons holding the negatively charged metal ions togetherCOMPARED TOIonic - positive ions and negative ions held together in a complex by electrostatic...
AS
2442 Views

Why does a higher temperature means the rate of reaction is faster?

As you increase the temperature of a system, the particles gain more kinetic energy and move about more. This means that particles are likely to collide more frequently. These collisions are also likely to h...
DP
Answered by Daidria P. • Chemistry tutor
3027 Views

A solution of sugar has a concentration of 3 g/dm3. What is the mass of sugar in 0.5 dm3 of solution?

The key to this question is understanding the relationship between concentration, mass and volume. Concentration shows how much of a substance (the mass) is packed into a space (the volume). This means that ...
DD
Answered by Daniel D. • Chemistry tutor
10142 Views

Describe how carbon dioxide helps maintain temperature on Earth

Carbon dioxide allows radiation of short wavelengths to pass through the atmosphere to the Earth and absorbs any outgoing radiation that has long wavelengths.
SG
Answered by Suruthi G. • Chemistry tutor
8903 Views

Show the covalent bonding in terms of electrons in their outer shell for a molecule of Carbon Dioxide

I would use a whiteboard to show that the Carbon atom shares two pairs of electrons with each Oxygen molecule
MB
Answered by Marcus B. • Chemistry tutor
2453 Views