temperature of 86.0 °C? The specific heat of ice is Cice = 2100 J/kgK, the specific heat of water is Cwater 6.8 J/kgK, and the heat of fusion for water is Lf = 334 kJ/kg. 38 J
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- When a material changes phase - liquid, solid, gas- heat exchange is required. This heat is called the Latent heat. is the equation where L is the Latent heat and is material specific. How much heat is required to take water (mass of .55 kg) from -20 to 20 C? L for ice to water is 33.5 * 104 J/kg. the specific heat of ice is 2090 J/(kg*C).and for water is 4186 J/(kg*C).If the heat is assumed to be generated 0.03 m below the skin, the temperature difference between the skin and the interior of the body would exist if the heat were conducted to the surface is 28 k°. What is the heat rate if the surface area of the body is 1.5m? and the coefficient of the thermal conductivity= 0.2watt/m.ko. 290 watt 310 watt 280 watt 260 wattA heat transfer of 9.5 * 105 J is required to convert a block of iceat -15 °C to water at 15 °C. What was the mass of the block of ice?
- A soup , with temperature of 60 o C is transferred in a cup with total surface area heated of 0.75 m2. The soup has a . What is the is the temperature, in degree Celsius, of the surface of the cup if the heat transfer if 100 W ? ( h = 150 W/m2-K )A mass of 50 g of a certain metal at 150° C is immersed in 100 g of water at 11° C. The final temperature is 20° C. Calculate the specific heat capacity of the metal. Assume that the specific heat capacity of water is 4.2 J gʻ¹K¯¹.How much heat is required to convert solid ice with a mass of 770 g at a temperature of -16.0 °C to liquid water at a temperature of 86.0 °C? The specific heat of ice is Cice = 2100 J/kgK, the specific heat of water is Cwater = 4186.8 J/kgK, and the heat of fusion for water is Lf = 334 kJ/kg.
- = 782J r TEA TFA Tiw 2) An alloy of unknown composition is heated to 137 °C and placed into 100.0 g of water at 25.0 °C. If the final temperature of the water was 36.4, °C, and the alloy weighed 2.71 g, what is the specific heat capacity of the alloy? The specific heat of water is 4.184 J/g°C. CA? TEW MA Cw heat los s heat gaedHow much heat is required to heat 50 g of water from 21oC to 87oC (specific heat of water is 4186J/kg.K)? b). How much is required to heat 2.6 kg of ice from 0oC to 20oC water (take latent heat of fusion of ice to be 3.33x 10 5 J/kg)?How much heat in Joules ist required to raise the temperature. of 0.75kg of klater from 25°C from to to 63°C? 63° CR Por elz Specific heat capacity of klater. 4186 J/kg°c.
- The specific heat of aluminum is 0.90 1/3-C. How much heat must be added to a 245-gram aluminum pot containing 556 grams of water to raise the temperature from 22.1°C to 97.4°C? What percentage of this heat is used to heat the aluminum pot? Hint: Apply the Law of Conservation of Energy. The heat required to warm up the pot with the water in it is the same amount of heat that would be required to warm up the put and the water separately. 2. For each of the following experimental errors clearly state if the error would increase, decrease, or have no effect on the specific heat that you determined in today's experiment. You must explain your reasoningPlease answer the question with steps … How much heat must be absorbed by ice of mass 378 gram to melt completely? Provide the answer in kJ with accuracy upto two decimal points. Consider the following: Specific Heat of ice as 2220 J/kg.K Heat of Fusion LF = 333 kJ/kg Heat of Vaporization Ly = 2256 kJ/kgA 25-gram metal ball is heated at 2000C with 2330 Joules of heat. What isthe specific heat of metal?