Specific heat of water kj/kg c
WebSep 27, 2024 · The specific heat capacity of water is 4.186 kJ/kg°C. How much heat was gained by the water? 9.6 kJ 20 kJ 56 kJ 84 kJ See answers Advertisement AarushiAanand M = 4 kg s = 4.186 kJ/Kg °C 10°C to 15°C. ᐃ t = 15°C. - 10°C = 5°C Q= msᐃt = 4*4.186*5°C = 83.72 kJ What is heat ? WebA s s u m p t i o n s _: incompressible, constant pressure, constant specific heat. This comes from integration of the basic equation for evaluating enthalpy changes of an incompressible: d h = d u + v d P. Then for constant pressure, d P = 0 and so Δ h = Δ u = ∫ c d T. The final integration result then follows from the assumption of ...
Specific heat of water kj/kg c
Did you know?
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 … 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 ...
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? 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 ...
WebThe symbol c stands for specific heat and depends on the material and phase. The specific heat is the amount of heat necessary to change the temperature of 1.00 kg of mass by º 1 .00ºC. The specific heat c is a property of the substance; its SI unit is J/ ( … WebFeb 13, 2024 · The specific heat of water is quite a bit higher than many other common substances. For example, the specific heat of iron is 449 J/kg°C, sand is 830 J/kg°C, and …
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 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 ...
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) ginger while pregnant risksWebThe 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 ... full moon and fertilityWebWater at 25 °C: liquid: 4.1813: 75.327: 74.53: 4.1796: 3.02 R: Water at 100 °C: liquid: 4.1813: 75.327: 74.53: 4.2160: 3.02 R: Water at −10 °C (ice) solid: 2.05: 38.09: 1.938: 1.53 R: Zinc: … full moon and behavior changesWebApr 12, 2024 · Solution: The specific heat capacity is the amount of heat energy required to raise the temperature of a system with a mass of m by ΔT Δ T so applying its formula we get: C= Q mΔT C = Q m Δ T = 4190J (1kg)(1K) = 4190 J ( 1 k g) ( 1 K) = 4190 J/kg.K Specific Heat Table [Click Here for Previous Year's Questions] ginger wheat beer recipeWebScience 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 … ginger what is it used forWebTo heat 1 kg of liquid water from 0 °C to 20 °C requires 83.6 kJ (see below). However, heating 0 °C ice to 20 °C requires additional energy to melt the ice. We can treat these two processes independently; thus, to heat 1 kg of ice from 273.15 K to water at 293.15 K (0 °C to 20 °C) requires: full moon and labor and deliveryWebSpecific heat water vapor: 1.996 kJ/kgK =0.4767 Btu (IT)/ (lb m °F) or kcal/ (kg K) Specific Weight (at 4 o C): 9.806 kN/m 3 = 62.43 lb f /ft 3 Thermal expansion from 4 o C to 100 o C: 4.2x10 -2 (Note! - volumetric temperature expansion of water is not linear with temperature) The (latent) heat of vaporization (∆H vap) also known as the enthalpy of … Water - Specific Heat vs. Temperature - Online calculator, figures and tables … Water - Specific Heat vs. Temperature - Online calculator, figures and tables … 2 kg of aluminum is heated from 20 o C to 100 o C. Specific heat of aluminum is … ginger whinger meaning