Examination questions always include a word that specifies what you must do to get full marks. These are the command words and they are important because you must match your answer to what they are expecting. It is easy to lose marks by not paying careful attention to the command word so here are some … Continue reading Command Words
Specific Heat Capacity
Heating a substance can cause either an increase in temperature or a change of state. This is not completely obvious, so let me put it another way; sometimes when we "heat up" a substance it doesn't actually get any hotter. The reason for this is that the energy supplied is being used to break bonds … Continue reading Specific Heat Capacity
