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Which is the correct equation?

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Have a little read: ... Which Is the Correct Equation? Aim To design an experiment to measure a volume of gas that will show which of the two equations given is more likely to be the correct volume. Experiment Equations (s) Equation 1: 2 KNO3 (s) 2 KNO2 (s) + O2 (g) Equation 2: 2 KNO3 (s) K2O (s) + 2 NO2 (g) + 1/2 O2 (g) Risk assessment/ Safety. Safety while working in the chemistry lab is must if I want to achieve accurate and reliable results in conjunction with not harming my self or other chemists around me. Some of the precautions I will undertake: * Wearing safety goggles at all times, this ensures that no chemicals make contact with my eyes. * Wearing a laboratory coat to ensure that there are no spillages onto my clothing. * Using a bench mat to avoid spillages onto my work bench. * Nitrogen dioxide2 (gas) - Highly toxic by inhalation, can

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"Very good. The report clearly and concisely explains every point that is made, and includes a strong analysis of the errors involved in the experiment methodology. The conclusion of the workings is prominently stated at the end of the report, and overall I feel that the author has a strong grasp of the scientific issues underlying the experiment, as well as the detailed reasons for the method followed. TSR user: Illusionary"
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"Good, but a diagram is missing"
bob

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