What is the heat of combustion of candle wax in kJ/mol? The standard heat of formation of carbon dioxide gas and liquid water are -394 kJ/mol and -286 kJ/mol, respectively

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

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