Answer the following questions i) Find the property that provides the breakdown voltage of a material and explain that property with unit (NOTE: Please write the answer in a paper and upload it in the separate submission link provided. ONLY HANDWRITTEN ANSWERS WILL BE CONSIDERED FOR EVALUATION.) i) Determine the maximum temperature reauired for the water of 1.7 liters to prepare Arabic coffee for a family using the following data. - - Heat energy of 634 kJ is supplied to the water - Specific heat capacity of water is 4.11 kJ/kg K - Density of water as 999.3 kg/m - Room temperature is 22 °C (NOTE: Please Solve the problem in a paper and upload in the separate submission link provided and also fill the answers without the unit in the box below) a) Mass of water (in kg) -- b) Maximum temperature required (in °C) -

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Properties of Pure Substances

A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substance as long as the chemical composition is the same for all phases. These substances mainly have a constant/ uniform composition. The substances also have fixed boiling and melting points. A pure substance takes part in a chemical reaction to form predictable products.