Specific heat of water kj/kg c

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August undefined, 2024

WebFeb 2, 2024 · The specific heat of water is 4190 J/ (kg*°C). It means that it takes 4190 Joules to heat 1 kg of water by 1°C. Does water have a high heat capacity? Yes, water has a high heat capacity due to the hydrogen bonding amongst the molecules. When the temperature increases, the particles move more freely. WebExpert Answer 100% (8 ratings) Answer: (c) 42 kJ/kg Solution: Change in internal energy is given as; NOTE: W … View the full answer Transcribed image text: If liquid water is heated up by 10°C, The specific heat of liquid water is approximately 4.2 kJ kg K determine the change in internal energy.

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WebJun 9, 2009 · A 24.0 kg sample of ice is at 0.00°C. How much heat is needed to melt it? (For water Lf = 334 kJ/kg and Lv = 2257 kJ/kg.) A)5.42*10^4 kJ B)0.00 kJ C)8.02*10^3 kJ D)2.19*10^6 kJ Homework Equations The Attempt at a Solution WebThe specific heat capacity of water is 4,200 Joules per kilogram per degree Celsius (J/kg°C). This means that it takes 4,200 J to raise the temperature of 1 kg of water by 1°C. Some... pick ontario

Thermodynamic Properties of Steam (updated 6/8/2009) - Ohio University

WebThe average specific heat value of the hot fluid is 3 kJ/kg°C, and the average specific heat value of the water is given as 4,200 kJ/kg°C. In order to cool the fluid with a mass flow rate of 0.70 kg/s from TH1 (°C) to TH2 (°C) in the heat exchanger, the inlet temperature of the heat exchanger is 10°C and a mass flow rate of 3 kg/s cooling ... WebProperties The density of water is very nearly 1 kg/L, and the specific heat of water at room temperature is c = 4.18 kJ/kg·°C (Table A-3). The average specific heat of human body is given to be 3.6 kJ/kg.°C. Analysis. The mass of the water is mw V 1 kg/L 1 L 1 kg We take the man and the water as our system, and disregard any heat and mass ... WebA saturated water vapor (steam) is used as the heating source through the annular tube at a counter-current flow rate of 540 kg/h. The entry temperature of steam is 100 °C and the exit water temperature is 90 °C. The specific heat of water is cp = 4.18 kJ kg-1 °C-1, the latent heat of water vaporization is 2257 kJ kg-1. Assume steady-state ... pick on youtube

Table of specific heat capacities - Wikipedia

WebFree online specific heat capacity converter - converts between 20 units of specific heat capacity, including joule/kilogram/K [J/(kg*K)], joule/kilogram/°C [J/(kg*°C)], joule/gram/°C … Webo = freezing point of water = 273.2 K L o = latent heat of fusion of water at 273.2 K = 333.6 kJ/kg t f = initial freezing point of food, °C t = food temperature, °C The relative molecular mass of th e soluble solids in the food may be estimated as follows: (2) where x wo is the mass fraction of wa ter in the unfrozen food and x b is the mass ... top5s patreonWebThe average specific heat value of the hot fluid is 3 kJ/kg°C, and the average specific heat value of the water is given as 4,200 kJ/kg°C. In order to cool the fluid with a mass flow rate of 0.70 kg/s from 139(°C) to 78°C) in the heat exchanger, the inlet temperature of the 1s1 exchanger is 10°C and a mass flow rate of 3 kg/s cooling water ... pick on somebody your own size

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Specific heat of water kj/kg c

Question: The specific heat capacity for water, over Chegg.com

Web3. Determine the temperature change in each of the following: a) 10 Kg of water loses 232 KJ of heat energy. (c = 4.2 × 1 0 3 J / Kg. ∘ C). (C − 1) b) 500 gr of cooper gains 1.96 KJ of heat energy. (c = 3.9 × 1 0 2 J / Kg. ∘ C). (C − 2) 4. After 2.0 Kg of mercury gained 2.52 × 1 0 4 J of heat energy. Its final temperature was 13 0 ∘ C. WebIf the heat energy gained by M kg of water is 3360 kJ, find the value of M. Specific heat of water =4.2 kJ / kg ∘ C A. 5B. 8C. 10D. 12. Login. Study Materials. NCERT Solutions. NCERT Solutions For Class 12. NCERT Solutions For Class …

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WebThe specific heat capacity is defined as the quantity of heat (J) absorbed per unit mass (kg) of the material when its temperature increases 1 K (or 1 °C), and its units are J/ (kg K) or J/ (kg °C). From: Experiment and Calculation of Reinforced Concrete at Elevated Temperatures, 2011. View all Topics. Add to Mendeley. WebExpert Answer. Question: The specific heat capacity for water, over a temperature range of 0−100[C], is approximately 4.2[ kJ/kg K. If we drop a 1 kg800∘C iron (c = 444 J/kg −K ) into 10 kg25∘C water, what is the final temperature after they reach thermal equilibrium?

WebApr 10, 2024 · The specific heat of water is 4182 J/kg°C, which is a high specific heat capacity and is sometimes taken as 4,200 J/kg °C for ease in calculations. Specific heat … The SI unit for specific heat capacity is joule per kelvin per kilogram J/kg⋅K, J⋅K ⋅kg . Since an increment of temperature of one degree Celsius is the same as an increment of one kelvin, that is the same as joule per degree Celsius per kilogram: J/(kg⋅°C). Sometimes the gram is used instead of kilogram for the unit of mass: 1 J⋅g ⋅K = 1000 J⋅kg ⋅K . The specific heat capacity of a substance (per unit of mass) has dimension L ⋅Θ ⋅T , or (L/T) /Θ. T…

Webqcal = CΔT where C is the heat capacity of the calorimeter. The change in heat of the water is given by: qwater = cpmΔT where cp is the specific heat of water, which is 4.184 J/gC, m is the mass of water in the calorimeter in grams, and delta T is the change in temperature. The video discusses how to solve a sample calorimetry calculation. WebOct 26, 2015 · "239 J" First thing first, you mistyped the specific heat of water, which should be c_"water" = 4.18"J"/("g" ""^@"C") Now, a substance's specific heat tells you how much heat is required to increase the temperature of "1 g" of that substance by 1^@"C". In the case of water, you would need "4.18 J" to increase the temperature of "1 g" of water by 1^@"C". …

WebThe specific heat of water is 4.18 kJ/kg.C and its density is 1 kg/L.The textbook gives the answers as 5.46 L/min and This problem has been solved! You'll get a detailed solution …

WebQuestion: A piston/cylinder setup contains 1 kg of water at 40∘C. The piston is loaded so that the pressure on water is 1MPa. Heat is added from a 600∘C source until the water is at 1MPa,500∘C. Find (a) the heat transfer, (b) the total change in entropy, (c) the availability of the water at the initial and final states, (d) the irreversibility of the process, and (e) pick on us vista caWebApr 12, 2024 · The formula of Specific Heat Capacity: c=Q/(mΔT) The unit of Specific heat capacity is: JK-1. Water has a specific heat of c = 4.186J/g o C. Water absorbs heat but … pick on somebody meaningWebScience Physics Expert solution/answer Specific heat of the water is 4.18 kJ/kg. °C. The expression for the heat transfer of the cold beverage is: Q = mc(T, -T) cold i cold 10 m (4.18 kJ/kg - °C)(48°C –16°C) 1 mL = (120 mL ) (10 J = (16.0×10* kJ) 1 kJ = 16 J I have used the expert formula above in calculating (d), and it happens to be section (c) answer is wrong … pick open a2a