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				| 1. | Spherical bubbles of diameter 3 mm are observed in the bubble boiling phase of water at 1 atmosphere pressure. Assuming pure wateRvapour is present inside the bubbles, calculate the temperature of that vapour.Given Surface tension = 73mN/mR/pgfg = 0.000014What region of boiling is this ocurring if we consider the two answers we get? | 
| A. | Evaporation and Bubble growth | 
| B. | Stable film and Evaporation | 
| C. | Unstable film and Radiation | 
| D. | Nucleate and Stable film | 
| Answer» E. | |