Incandescent lightbulbs heat a tungsten filament to a temperature of about 4580 °F, which is almost half as hot as the surface of the Sun. What is this temperature in degrees Celsius?
Q: An electric immersion heater has a power rating of 1800 W. If the heater is placed in a 1.3 kg of…
A: Given data: Mass (m) = 1.3 kg Initial temperature (Ti) = 30°C Final temperature (Tf) = 100°C…
Q: A machinist wishes to insert an iron rod with a diameter of 6mm into a hole with a diameter of 5.996…
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Q: 35 g of copper pellets are removed from a 300 degrees Celsius oven and immediately dropped into 100…
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Q: You are put on a wool sweater of approximately 1.5 kg, because it is around 30 °F outside. The wool…
A: Given, The mass of the wool sweater (m) =1.5 kg. The initial temperature of the wool sweater T1…
Q: An electrician is wiring new electrical outlets in a house and has stored a 43.5-m length of copper…
A: Given data : Initial length Lo= 43.5 m T1=-11.90C T2=21.50C It is known that the coefficient of…
Q: Suppose that at room temperature, a certain aluminum bar is 1.0000 m long. The bar gets longer when…
A: Calculate the length of the bar after raising the temperature.
Q: The temperature of the earth’s core is equal to 37270C, what is its equivalent in Kelvin scale ?
A: The temperature of the earth TE=37327°C The conversation of the Temperature in Kelvin = degree…
Q: What is the heat capacity of a 28.5-kg block of ice? The specific heat capacity of ice is 2.10…
A: 59.85 kJ/K.Explanation:
Q: What is the length of a copper rod at 421 Kelvin, if the rod was 93m long at 10 degrees F.
A: What is the length of a copper rod at 421 Kelvin, if the rod was 93m long at 10 degrees F.
Q: 61.20 g of water at 58.0°C is added to a student calorimeter containing 48.80 g of water at 25.0°C.…
A: Given data: Water added to a student calorimeter containing water m1 = 61.20 g and T1 = 58.0°C m2…
Q: A solid sphere has a temperature of 603 K. The sphere is melted down and recast into a cube that has…
A:
Q: Air, at a temperature of 20 oC and pressure of 101 kPa, is sealed in a beaker with a fixed volume.…
A: The ideal gas equation is P V = n R T where, P is the pressure, V is the volume, n is the number…
Q: 6. 11 088 J of heat energy are needed to raise the temperature of 1.6 kg of copper from 7 °C to 25…
A: Energy is given as, Mass is given m = 1.6 kg.Initial temperature Final temperature
Q: An object is heated to 90°C and is kept in a room where the ambient temperature is around 25°C. If…
A: Heat transfer can take place without any medium. This type of heat transfer is known as heat…
Q: A tire is filled with air at 15°C to a gauge pressure of 2.2x105 Pa. If the tire reaches a…
A: Given value--- initial temperature = 15 degree C. initial pressure = 2.2 × 105 Pa. final…
Q: atings of microwave ovens are listed in watts (1 watt = 1 J/s). How many seconds will it take a…
A: We know that we have given that the volume 872 ml and power 1000 watts of soup from 27 °C to 74 °C…
Q: 1.5 kg of water (c = 4189 J/(kg⋅K)) is heated from T1 = 11° C to T2 = 20.5° C. IF 0.5 kg of water…
A: Given, Mass of water, m1 = 1.5 kg T1 = 11°C T2= 20.5°C T3 = 20 °C Mass after loss = 0.5 kg We need…
Q: A family comes home from a long vacation with laundry to do and showers to take. The water heater…
A:
Q: A family comes home from a long vacation with laundry to do and showers to take. The water heater…
A:
Q: A machinist wishes to insert a copper rod with a diameter of 7 mm into a hole with a diameter of…
A: Given L=2\,\text{mm}=2\cdot {{10}^{-3}}\text{m}L= 7[mm]= 7×10-3[m] \Delta…
Q: Heat is added to 1 kg of water such that the temperature increases by 5 K. The specific heat…
A: Heat addition to increase the temperature of a material is called the specific heat addition to the…
Q: An elderly man has a body temperature of 38.4 °C. What is his body temperature in kelvins? A…
A:
Q: If the body’s surface temperature is 35 degrees Celsius, what is the net rate of heat loss on a…
A: Using Stefan‒Boltzmann law in the form : P = εσA [ T₂ ⁴ ‒ T₁ ⁴ ] -(1) here ε = 0.97…
Q: . An electric immersion heater has a power rating of 1900 W. If the heater is placed in a 1.8 kg of…
A:
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- A 2-meter-long steel rod has a diameter equal to 2.54 cm. By how much does the rod’s length change in meters if it’s heated from 318 degrees Kelvin to 460 degrees Kelvin? _________ m . You should get a really small answer, feel free to use exponential notation to express it.A 0.422 g food sample is used to raise the temperature of 14.656 g of water by 45.2 celsius. How many food Calories (kilocalories) of energy does the food contain per gram?A family comes home from a long vacation with laundry to do and showers to take. The water heater has been turned off during the vacation. If the heater has a capacity of 50.0 gallons and a 4,500-W heating element, how much time is required to raise the temperature of the water from 20.0°C to 55.0°C? Assume the heater is well insulated and no water is withdrawn from the tank during that time
- You have 1.3 liters of water in an insulated container at 14.8 °C. You use an immersion heater to add 20.2 Joules of heat to the water. What is the final temperature of the water in °C?If the price electrical energy is $0.08 per kilowatt hour, what is the cost of using electrical energy to heat the water in a swimming pool (12.0 m x 9.00 m x 1.50 m) from 16 to 28 °C? Number Units the tolerance is +/-2%A solid sphere has a temperature of 799 K. The sphere is melted down and recast into a cube that has the same emissivity and emits the same radiant power as the sphere. What is the cube's temperature in kelvins? Number TS Units To
- On a nice winter day at the South Pole, the temperature rises to −33°F. What is the approximate temperature in degrees Celsius? °CA machinist wishes to insert an iron rod with a diameter of 9 mm into a hole with a diameter of 8.998 mm. By how much would the machinist have to lower the temperature (in Celsius) of the rod to make it fit in the hole?A 30 degrees celcius, 20 g silver ring is placed on a 20 degrees celcius, 30 g glass ring holder. If the specific heat capacities of silver and glass are 230 and 840 J/kg degrees Celcius. What is the equilibrium temp of ring and ring holder? Please answer in degrees celcius.
- A 300 g aluminum pot containing 0.50 L of water is placed on the 1 kg iron hot plate on an electric stove. The heating element of the hot plate is rated at 1.5 kW. If the hot plate, the pot, and the water are all at 20°C when the heating element is switched on, how long will it take until the water begins to boil? Neglect heat losses to the surroundings.the density of lead is 11.0 g/cc at 4°C. What is the density of lead in pounds per cubic feet at this temperature?