SOLUTION
Heat needed to vaporise 25 g of water 100 ºC
= m * heat of vaporisation per g at 100ºC
= 25 grams * 2259 J/g
= 56475 J (ANSWER).
Calculate the amount of heat needed to vaporize 25.0 g of water at 100 C. The...
How much heat energy(in kJ)is needed to vaporize 84 g of liquid water at 100°C?
What is a liquid's heat of vaporization? It is the amount of heat needed to vaporize one liter of the liquid at its boiling point. It is the amount of heat needed to melt one gram of the liquid at its freezing point. It is the amount of heat needed to vaporize one gram of the liquid at its boiling point. It is the amount of heat needed to vaporize one kg of the liquid at its boiling point.
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Calculate the heat absorbed by 25.0 g of water needed to raise its temperature from 20.0 to 65.0 degrees C. The specific heat of water is 4.18 J/gC
3. Calculate the heat absorbed by 25.0 g of water needed to raise its temperature from 20.0°C to 65.0°C. The specific heat of water is 4.18 J/gºC. Show your work Final Answer 4. Aluminum metal has a specific heat of 0.901 J/g C. How much heat is transferred to a 6.75 g piece of aluminum initially at room temperature, 20.0°C, when it is placed into boiling water? The temperature of boiling water is 100°C. Show your work Final Answer 5....
What minimum heat is needed to bring 100 g of water at 50 ∘C to the boiling point and completely boil it away? The specific heat of water is 4190 J/(kg⋅K) and its heat of vaporization is 22.6×105 J/kg. Express your answer to two significant figures and include the appropriate units.
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3. Calculate the heat absorbed by 25.0 g of water needed to raise its temperature from 20.0°C to 65.0'C. The specific heat of water is 4.18 J/gºC. Show your work Final Answer 4. Aluminum metal has a specific heat of 0.901 J/g C. How much heat is transferred to a 6.75 g piece of aluminum initially at room temperature, 20.0°C, when it is placed into boiling water? The temperature of boiling water is 100°C. Show your work Final Answer 5....
Calculate the amount of heat (in kilojoules) required to vaporize 2.58 kg of water at its boiling point. Express the heat in kilojoules to three sianificant fiaures. Suppose that 0.48 g of water at 25°C condenses on the surface of a 55-g block of aluminum that is initially at 25 °C. If the heat released during condensation goes only toward heating the metal, what is the final temperature (in degrees Celsius) of the metal block? (The specific heat capacity aluminum,...