The "steam" above a freshly made cup of instant coffee is really water vapor droplets condensing after evaporating from the hot coffee. What is the final temperature of 185 g of hot coffee initially at 84.0°C if 3.93 g evaporates from it? The coffee is in a Styrofoam cup, and so other methods of heat transfer can be neglected. Assume that coffee has the same physical properties as water; its latent heat of vaporization is 539 kcal/kg and its specific heat is 1.00 kcal/(kg. °C). °C

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Chapter1: Units, Trigonometry. And Vectors
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The "steam" above a freshly made cup of instant coffee is really water vapor
droplets condensing after evaporating from the hot coffee. What is the final
temperature of 185 g of hot coffee initially at 84.0°C if 3.93 g evaporates
from it? The coffee is in a Styrofoam cup, and so other methods of heat
transfer can be neglected. Assume that coffee has the same physical
properties as water; its latent heat of vaporization is 539 kcal/kg and its
specific heat is 1.00 kcal/(kg . °C).
°C
Transcribed Image Text:The "steam" above a freshly made cup of instant coffee is really water vapor droplets condensing after evaporating from the hot coffee. What is the final temperature of 185 g of hot coffee initially at 84.0°C if 3.93 g evaporates from it? The coffee is in a Styrofoam cup, and so other methods of heat transfer can be neglected. Assume that coffee has the same physical properties as water; its latent heat of vaporization is 539 kcal/kg and its specific heat is 1.00 kcal/(kg . °C). °C
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