In lab you submerge 100 grams of 40 C nails in 100 grams of 20 C water. Equate the heat gained by the water to the heat lost by the nails and show that the final temperature of the water becomes 22.1C

Q: The patient's fever, it turns out, is being caused by the patient's own body generating too much…

A: Given The patient will produce 1683 joules of excess heat each minutefor 12 full hours before the…

Q: A pressure cooker with a volume of 5L, contains 200 g of water at 400°C. The lid of the pressure…

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Q: A 59.7 g piece of metal that had been submerged in boiling water was quickly transferred into 60.0…

A: Mass of metal M=59.7 g=59.7 ×10-3 kg Initial temperature of metal Tbi=1000C Final temperature of…

Q: A thermopane window consists of two glass panes, each 0.50 cm thick, with a 1.0-cm-thick sealed…

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Q: A physicist makes a cup of instant coffee and notices that, as the coffee cools, its level drops…

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Q: Suppose 13.0 kg of 7.0°C water is mixed with 18.8 kg of 80°C water. If no heat is lost in this…

A: Given: Mass of the water = 13 kg Temperature = 70 C Mass of the water mixed = 18.8 kg The…

Q: ou apply a flame to 2 L of water for a certain time and its temperature rises by 2°C. If you apply…

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Q: 6.) 25.0 grams of mercury is heated from 25°C to 155°C, and absorbs 108.75 calories of heat in the…

A: Given : m = 25 grams T1 = 25°C T2 = 155°C Q = 108.75 calories = 108.75(4.184) = 455.01 J

Q: Fruit blossoms are permanently damaged when the temperature drops below about -4 °C, a “hard…

A: We have been given that  Fruit blossoms are permanently damaged when the temperature drops below…

Q: 27) The amount of energy needed to convert 20kg of pure water at 80°C to steam at atmospheric…

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Q: the eiffel tower in paris is 300 meers tall on a cold day when temperature is -19c. What is it’s…

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Q: A number of bodies at different temperatures placed in a closed room share radiant energy and…

A: A number of bodies at different temperatures that are placed in a closed room share radiant energy…

Q: When our bodies get too warm, they respond by sweating and increasing blood circulation to the…

A: Sweating  helps to maintain human body temperature. Evaporation will not takes place inside the…

Q: The latent heat of vaporization of H2O at body temperature (37.0 °C) is 2.44E+6 J/kg. To cool the…

A: Given,Latent heat of vaporization, hv = 2.44 x 106 J/kgHeat capacity of jogger, cv = 3480 J/(kg…

Q: The latent heat of vaporization of H2O at body temperature (37.0 °C) is 2.40E+6 J/kg. To cool the…

A: Given - latent heat of vaporization of H2O (at 37.0oC) is ,  L = 2.40 x 106 J/kg mass of jogger , M…

Q: upposed your refrigerator can remove heat at a power of 100 watts (100 joules per second), how long…

A: The amount of heat in changing the temperature is given by  H = m c (T' - T) where, m is mass, c is…

Q: A 68-kg man whose average body temperature is 39°C drinks 1 L of cold water at 3°C in an effort to…

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Q: In lab you submerge 100 g of 40°C iron nails in 100 g of 20°C water (the specific heat of iron is…

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Q: A cube 21 cm on each side contains 3.2 g of helium at 20° C. 1300 J of heat are transferred to this…

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Q: how much heat is needed to change 300.0g of water at 70.0c to steam at 100c if lvwater=540.0cal/g…

A: Heat required to convert water into heat , Q=mc(T2-T1)+ mL

Q: Sslg ala The body loses.. Of its heat body through * radiation 40% O 65% O 30% O 2% O 85% O

A: Radiation is the process in which there is a transfer of heat from one object to other without any…

Q: The same heat transfer into identical masses of different substances produces different temperature…

A: Given: Q=1.0 Kcal Q=1.0*4184 JQ=4184 JT1=20.0°Cm=1.0 kg

Q: The specific heat of a substance varies with temperature according to c = 0.24 +0.47T+0.049T2, with…

A: Variation of specific heat with temperature : c = 0.24 + 0.47T + 0.049T2 mass (m) = 7.9 g Initial…

Q: Calculate the number of calories given off by 300 g of water cooling from 25 deg C to 10 deg C

A: Given data: Mass (m) = 300 g Initial temperature (T0) = 25°C Final temperature (T) = 10°C Required:…

Q: Consider 1 kg of water that is heated from -50 °C to 120 °C. The material will have its lowest…

A: Given 1 kg of water is heated from -50 c to 120 c As we increase temperature, the density of…

Q: The latent heat of vaporization of H2O at body temperature (37°C) is 2.42 x 106 J/kg. To cool the…

A: Given quantities: Latent heat of vaporization of water (L) = 2.42 ×106 J/kg mass of the jogger (M) =…

Q: A physicist makes a cup of instant coffee and notices that, as the coffee cools, its level drops…

A: The change in volume is ΔV=βVΔT The expression for the cross sectional area is A=π4D2 The…

Q: You have 0.20 kg of ice at -20°C in a container. How much water at 20°C must you add to the ice to…

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Q: A platinum ball weighing 100 g is removed from a furnace and dropped into 400 g of water at 0°C. If…

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Q: A 0.250-kg block of a pure material is heated from 20.0C to 65.0C by the addition of 4.35 kJ of…

A: mass, m = 0.25 kg  T = 20 degree C  T' =  65 degree C  heat, H = 4.35 kJ

Q: The Eiffel tower in Paris is 300 meters tall on a cold day  when temperature is -14 Co . What is its…

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Q: A rod is exactly 20.05 cm long on a steel ruler. The rod and the steel ruler are placed in an oven…

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Q: A bag containing 0degree C ice is much more effective in absorbing energy that one containing the…

A: The ice will melt at first and then the temperature of the melted water will raise.

Q: Evaporation of sweat requires energy and thus take excess heat away from the body. Some of the water…

A: Initial temperature (T) = 3.8oC Final temperature (T') = 36.6oC volume of water (V) = 20 ounce

Q: How much thermal energy is (J) required to boil 2.50 kg of water. at 100˚C into steam at 139.0°C. 2…

A: Given Mass of water = 2.5 kg Initial temperature= 100 °C Final temperature = 139 °C Latent heat…

Q: Calculate the difference in temperature between the water at the top and bottom of a 25 m high…

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Q: The Eiffel tower in Paris is 300 meters tall on a cold day  when temperature is -15 Co . What is its…

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Q: The Eiffel tower in Paris is 300 meters tall on a cold day  when temperature is -18 Co . What is its…

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Q: After an afternoon party, a small cooler full of ice is dumped onto the hot ground and melts. If the…

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Q: The latent heat of vaporization of H2O at body temperature (37.0 °C) is 2.35E+6 J/kg. To cool the…

A: Given : mass, m = 79.1 kgTemperature, T = 2 degree celciusSpecific heat capacity, c = 3470 J/(kg.…

Q: Your answer is partially correct. How much water remains unfrozen after 47.0 kJ is transferred as…

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Q: A 100-g mass of an unknown material at 100°C is placed in an aluminum calorimeter of 60-g mass that…

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Q: Steam at 100°C is passed into 20 g of water at 10°C. when water acquires a temperature of 80°C, the…

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Q: you record the temperature of your 50.00g iron rod to be 41.0 degrees celcius. You then add 165…

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