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-Increase the concentration (pressure in gases). (1) This increases the likelihood and frequency of collision because the particles of reactant will be closer together (1)-Increase the temperature(1). Thi...
Periodicity is the trend in chemical and physical properties of the elements across each period of the periodic table.All elements in a period have the same number of shells, all elements in a group have ...
GAS So / J K-1 mol-1 NH3(g) 193 O2(g) 205 NO(g) 211 H2O(g) 189To calculate the entropy change, use Delta S = sum of products - sum of reacta...
The answer would include a dot-and-cross diagram, displaying at the centre, a nucleus/the chemical symbol for chlorine, followed by three electron shells, the first containing two electrons, the second ei...
Define:A simple covalent compound consists of a small number of non-metal elements covalently bonded together. (1)For example, H2O , CO2, O2. (1)Relate to MP/BP: The small molecules have only weak intermo...
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