steringPhysics 8. If you add heat slowly to ice at 0°C, why doesn\'t t of the ic
ID: 1864320 • Letter: S
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steringPhysics 8. If you add heat slowly to ice at 0°C, why doesn't t of the ice increase? What becomes of this heat energy? Likeu if you add heat to boiling water, the temperature remains at 100r What is happening to the heat you add? l r 9. In some household air conditioners used in dry climates, air is by blowing it through a water-soaked filter, evaporating some of te water. How does this cool the air? Would such a system work well in a high-humidity climate? Why or why not? 10. A person pours a cup of hot coffee, intending to drink it 5 minutes later. To have it as hot as possible for drinking, should she put the cold milk into it now or wait until just before she drinks it? Explain your reasoning. 11. If you put your hand into boiling water at 212°F, you will imme diately get a serious burn. Yet you readily reach into a much hotte 400°F oven without danger. Why the difference? (Hint: What are significant differences between the properties of the air in the ovel and the boiling water?) 12. You are going away for the weekend and plan to turn down y our home thermostat to conserve energy. Your neighbor suggests you not turn it down, because the walls and floors of yourh that I get cold and have to be reheated when you get back, Whibhors energy than you save. Should you follow your neig which w take more advice? Cons vection, and radiation). ider all three forms of heat transfer (conduction.Explanation / Answer
8] When we add heat to ice at zero degree celsius, it doesn't increase its temperature because the heat given is utilised in convererting ice into water.
Similarly water boiling at 100 degree celsius, the heat added is utilised in converting water to steam.
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