(II) A 215-g sample of a substance is heated to 330°C and thenplunged into a 105-g aluminum calorimeter cup containing185 g of water and a 17-g glass thermometer at 10.5°C.The final temperature is 35.0°C. What is the specific heatof the substance? (Assume no water boils away.)

Q: Occasionally, huge icebergs are found floating on the ocean’s currents. Suppose one such iceberg has…

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Q: i) A 824g glass pan of specific heat 792 J/kg.°C kept on a stove and 0.545 L water of specific heat…

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Q: (iv) Convert 129 J/kg°C to cal/g°C (a) 5.3x105 (b) 0.031 (c) 32.44 (d) 30.8

A: Answer :-  Given    129 J/kg oC to cal/ go C    ( We know that  1J = 0.000239 cal  And 1 kg = 1000 g…

Q: (II) An ordinary glass is filled to the brim with 450.0 mL ofwater at 100.0°C. If the temperature of…

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Q: Compute the total heat required to convert 0.115 Kg of ice at –115°C to steam at 115 °C. (Cice =…

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Q: A slightly deranged Arctic inventor surrounded by ice thinks itwould be much less mechanically…

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Q: Steam at 100 °C is bubbled into 4.00 kg of water at 15 °C in a calorimeter cup. How much steam will…

A: Let an amount m kg of steam be added. Then heat lost by steam = heat gained by water

Q: 2 points Sav A copper telephone wire has essentially no sag between poles. When the temperature…

A: Given: The initial temperature is, T0=2°C. The final temperature is, Tf=43°C. Therefore, the change…

Q: (II) A 0.095-kg aluminium sphere is dropped from the roofof a 55-m-high building. If 65% of the…

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Q: (9) An iron steam pipe is 100 m keng at 0°C and has a coefficient of linear expansion a = 10 × 10–6…

A: Given data: Initial length (Lo) = 100 m coefficient of the linear expansion α=10×10-6 °C-1 Final…

Q: 57. ssm How much heat must be added to 0.45 kg of aluminum to change it from a solid at 130 °C to a…

A: The expression for calculate heat is Q=Q1+Q2=mAlcAlTf-Ti+mLf

Q: (7) A copper rod is 8m long at 20°C and has a coefficient of linear expansion a = 17 x 10-6 (C)-1.…

A: we have to calculate the value of increase length of copper rod when it is heated to 40 degree.

Q: (9) An iron steam pipe is 100 m keng at 0°C and has a coefficient of linear = 10 x 10-6 (C°)-I. What…

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Q: (11) Figure 9 shows the student's results. mass of metal block power of heater starting temperature…

A: Part (ii):The mass of the metal is 0.92 kg.The initial temperature of the metal is 20oC.The final…

Q: A large jug containing 1.5 kg of water is placed in the freezer. (i) The water cools from 25 °C to 0…

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Q: (9) An iron steam pipe is 100 m long at 0°C and has a coefficient of linear expansion a = 10 x 10-6…

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Q: (I) A concrete highway is built of slabs 12 m long (15°C). How wide should the expansion cracks…

A: Given, linear coefficient of thermal expansion for concrete, α=12×10-6 °C-1 Change in length, ∆L=?…

Q: (9) An iron steam pipe is 100 m long at 0°C and has a coefficient of linear expansion a= 10 x 10-6…

A: Given data: Length of the steam pipe = 100 m Initial temperature (Ti) = 0oC Final temperature (Tf) =…

Q: (28) (a) How many molecules are there in 1 L of air at a temperature of 27 °C? (b) How many…

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Q: (7) A copper rod is 8 m long at 20°C and has a coefficient of linear expansion a = 17 x 10-6 (C°)-'.…

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Q: (1) The melting point of gold is 10640C and the boiling point is 26600C. (a) Express these…

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Q: (I) One end of a 56-cm-long copper rod with a diameter of 2.0 cm is kept at 460°C, and the other is…

A: Solution: Consider the first law of thermodynamics: dQdt = H = TRTh…

Q: Question 4 A 0.12 kg iron block is taken from an oven where its temperature is 336°C and quickly…

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Q: 13) A Zookeeper puts eight ice blocks, each of mass 2.5 kg and temperature T= −15° C, in the penguin…

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Q: How much energy is required to completely melt 5.00 kg of gold which is initially at room…

A: energy required = energy to raise temperature+ energy to melt Q=mc∆t+mL

Q: (II) A 31.5-g glass thermometer reads 23.6°C before it isplaced in 135 mL of water. When the water…

A: The mass of glass, mg=31.5 g   The mass of water, mw=135 mL=135 g

Q: of water in an insulated container as shown. Then, the object falls through a distance of 6.00 m…

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Q: (i) If the temperature of any object is 83.12°F then calculate its value in "C (a) – 18.88 (b) 28.4…

A: Given data:  Temperature (TF) = 83.12 °F Required: Temperature in °C

Q: (I) Super InvarTM, an alloy of iron and nickel, is a strong material with a very low coefficient of…

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Q: A conference room for seating 90 persons is to be maintaineci at 25 °C dry bulb temperature and 40%…

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Q: (I) What is the specific heat of a metal substance if 135 kJof heat is needed to raise 4.1 kg of the…

A: Given: The head added is 135 kJ. The mass of the metal is 4.1 kg. The initial temperature of the…

Q: A hot metal block in the shape of a cube whose edge has length 12 cm is at temperature 600 K.  At…

A: Since the block is in the shape of the cube We know that , the area of cube is given as  Side of the…

Q: (g) A thin, 1.44-kg slab of copper at 18.0°C is set sliding at 2.90 m/s over an identical stationary…

A: (g) Given: The mass of the slab of copper is 1.44 kg. The temperature is 18∘C. The speed of the slab…

Q: (6) The Eiffel tower is built from iron and it is about 324 m high. Its coefficient of linear…

A: Length of Eiffel tower (L) = 324 m Coefficient of linear expansion (α) = 12×10-6 oC-1Initial…