chem or water that can be vaporized Then wetenidarmi\" in k1) and c Begin of wat

Question

chem or water that can be vaporized Then wetenidarmi" in k1) and c Begin of water 155 kJ × Calculate the amount of heat (in kJ) required to vaporize 2 boiling point. FOR MORE PRACTICE 11.3 Suppose that 0.48 g of water at 25 condenses on the surface of a 55 g aluminum that is initially at 25 °C. If the heat released during c toward heating the metal, what is the final te block of (in ) of the metal block? (The specific heat capacity of aluminum is 0.903 J/g C.) Vapor Pressure and Dynamic Equilibrium We have already seen that if a container of water is left uncovered at o the water slowly evaporates away. But what a sealed evacuated flask-one from which the air has been removed water, as shown in Figure 11.25 . Initially, the water molecules eva the open beaker. However, because of the seal, the evaporated m if the container

Explanation / Answer

Ans 11.3 :

The heat of vaporization of water = 2257 KJ/kg

Since here the mass of water is 2.58 kg

then the amount of heat required to vaporize will be :

= 2.58 x 2257

= 5823 KJ

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