7. The amount of heat needed to raise the temperature of an object by 1° C is known as O Energy transfer O Specific heat O Insulation O Conduction
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Q: True or False? Temperature and heat are both measurements of the thermal energy in an object.
A: Given statement:Temperature and heat are both measurements of the thermal energy in an object.…
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Q: A 60.0-kg runner expends 351 W of power while running a marathon. Assuming 13.5% of the energy is…
A: The mass of the runner is .The power of the body is .The percentage of energy delivered to the…
Q: a) How much heat in kcal must be added to 0.57 kg of water at room temperature (20°C) to raise its…
A: To determine: (a) The heat added to the water in kcal Given: Mass of water, m=0.57 kg Room…
Q: 8 In An object having emissivity 0.0867 radiates heat at 20 W, and temperature is T. IT is doubled,…
A: (8).It is given that, The fixed emissivity of the object is .…
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A: Heat added to any matter could lead to a change, in the temperature of the matter or in the state of…
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Q: According to the USDA, an average, \moderately active" college student needs to eat 2500 calories…
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Q: A 0.250-kg aluminum bowl holding 0.800 kg of soup at 25.0ºC is placed in a freezer. What is the…
A: It is given that,
Q: Sixty grams of water are at an initial temperature of 26 °C. Calculate the heat required to…
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Q: A 10 kg piece solid of aluminum, which has a specific heat of 900 J/(kg⋅°C), is warmed so that its…
A: Given : m = 10 kg c = 900 J/(kg.°C) ∆T = 3°C
Q: An electric kettle raises the temperature of tea from 50 °C to 125 °C with the usage of 15000 J of…
A:
Q: The average person drinks 2.6 L of water a day. If you drink 2.6 L of water at 0 degrees C and heat…
A: Given data as per question T1 = 0 T2 = 37 Volume = 2.6L density = 1g/ml
Q: Your body is like an "oven" set to 98 degrees F or 37 degrees C. Questions 6-8 are related to this…
A: Our body is at 370 C which is at a higher temperature than the atmospheric temperature.
Q: In a laboratory experiment, 16.0 J of heat raised the temperature of a 199-g object from 25.0° C to…
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Q: 16. What is the amount of heat required to melt 100 g of ice completely at -10ºC? (5) (a) 6048 cal…
A: Heat required is given by: Q = Q1 + Q2 Q1 = Heat required from -10 C ice to 0 C ice = m*Ci*dT Q2 =…
Q: the mine transfers enough energy by heat to the mine's cooling systems to melt 363147 kg of ice at…
A: Given : Mass of ice (m) = 363147 kg Energy increased by 9.3 % Latent Heat of fusion of Ice (L) =…
Q: Object 1 has nine times the specific heat capacity and four times the mass of Object 2. The two…
A: Vv
Q: The specific heat of copper is roughly three times as great as the specific heat of gold. Which of…
A: The specific heat capacity of a substance is the amount of energy required to raise the temperature…
Q: Specific heat (c) J/kg°C 900 Problem 9: The number of kilocalories in food is determined by…
A: mass of peanut = 4.85 g mass of water = 0.475 kg mass of aluminum cup = 0.115 kg increase in…
Q: k) A 250.-g sample of water at 369.0 K was added into 1.00 kg of water at 25.5°C in a coffee-cup…
A: *As per our guidelines we are instructed to answer only one question per session, Kindly post the…
Q: ne aluminum and the c than the copper
A: Option 5
Q: How much thermal energy is required to increase the temperature of a 390.00g sample of water from…
A: Given data: Mass (m) = 390.00 g = 390.00×10-3 kg Initial temperature (T0) = 15.00°C Final…
Q: How much heat must be added to 456 g of ice at -10°C to change it into water at 25°C? The specific…
A: Given: The initial temperature of the ice is -10°C. The final temperature of the water is 25°C. The…
Q: In a laboratory, bunsen burner is used to increase the temperature of lime from 10 °C to 50 °C with…
A: given,T1=10 °CT2=50 °Cthermal energy Q=8000 Jmass, m=20 kg
Q: At atmospheric pressure, how much energy is required to heat 47.0 g of H2O(s) at -10.0◦C to H2O(g)…
A: mass of ice = 47 g initial temperature of ice = -10oC final temperature = 129oC
Q: "Say someone has 500 grams of water at 20 degrees Celsius. If they want to cool it down to zero…
A: Given mass of water m = 500 grams = 0.5 kgInitial temperature of water 200C
Q: 5. You run outside in the afternoon. Describe how heat is being transferred in the situation, using…
A: When heat energy is supplied to or absorbed from an object , the temperature of the object increases…
Q: 4.) A material of mass m is heated using 5.00 calories of heat and its temperature rises by one…
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Q: Four liquids are at their freezing temperature. Heat isnow removed from each of the liquids until it…
A: Given The amount of heat that must be removed by liquid A is QA = 33500 J. The amount of heat that…
Q: During a bout with the flu an 80 kg man ran a fever of 39 degreees Celsius instead of normal body…
A: Mass of man,(m)=80 kg -----(1) [Given] Specific heat of the water,(c)=4190 J/kg-oC -----(2)…
Q: A series of composite wall of a furnace consists of 20cm of firebrick, 15cm of a high temperature…
A: GIVEN Firebrick k=1.4W/m-K High temperature insulation k = 0.22 W/m-K Ordinary brick k = 0.90 W/m-K…
Q: How much heat transfer occurs from a system, if its internal energy decreased by 150 J while it was…
A: Given: Internal Energy (△U) = - 150 Joule Net work done ( W) = 30 Joule
Q: Substance A has a higher specific heat than substance B. With all other factors equal, which…
A:
Q: 4. What is the change in internal energy of a system which does 4.50x10° J of work while 3.00x106 J…
A: Given, system does work of 4.50×105 J , heat transfer into the system is 3.00×106 J and 8.00×106 J…
Q: w much energy (in J) is required to raise the temperature of that volume of water from 12.8°C to…
A: Given values:- The volume of water,(V)=3.60 x 1012 m3 ----(1) The density of water,(ρw)=998.23 kg/m3…
Q: As an athlete exercises, sweat is produced and evaporated to help maintain a proper body…
A: mass, m = 409 g Heat of vaporization, Lv = 2257 J/kg
Q: A simple solar energy heater is a glass-topped box containing rocks. Sunlight heats the rocks during…
A: Given:- A simple solar energy heater is a glass-topped box containing rocks. Sunlight heats the…
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