Question: 1.What are the THREE (3) stages when designing a process? Answers should be given in sequence. 2. When exposed, aluminium (Al) metal will burn in

1.What are the THREE (3) stages when designing a process? Answers should be given in sequence.

2. When exposed, aluminium (Al) metal will burn in oxygen (O2) with a brilliant white flame to form alumnium oxide (Al2O3). If 67.5 g of aluminium is reacted with sufficient oxygen, and has a 75.0% yield, how many grams of aluminium oxide are produced? Given [Mw of Al=27; O=16]

3. At 100 kPa and 133C, 2.5 L of a compound has a mass of 2.64 g. Calculate its molar mass. Given gas constant = 8.314 m3 Pa K-1 mol-1.

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