Over a million students use our free study notes to help them with their homework
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 th...
The first step is to formulate the Kc expression. Kc is the "concentration of the products / concentration of the reactants". We show concentration is in moldm-3 by using square brack...
Carbon dioxide allows radiation of short wavelengths to pass through the atmosphere to the Earth and absorbs any outgoing radiation that has long wavelengths.
I would use a whiteboard to show that the Carbon atom shares two pairs of electrons with each Oxygen molecule
Covalent bonding is between non-metal atoms and involved the sharing of electron pairs, whereas ionic bonding is between a metal and a non-metal and involves the transfer of an electron from the metal to ...
←
190
191
192
193
194
→
Internet Safety
Payment Security
Cyber
Essentials