A block of Aluminium ( specific heat 0.900 J/g °C) is heats up by 15 °C when supplied with 6.75 kJ (kilo Joules). What is the mass of the block?
Q: If 134.3 kJ of heat are added to 2.10 × 102 g of water at 22.0°C, what is the final temperature of…
A: Let Q denotes the added heat, m denotes the water mass, S denotes the specific heat, Ti denotes the…
Q: An ice cube at 0 degrees C is dropped into a container with 0.5 kg of water at 20° C. The specific…
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Q: A beaker of negligible heat capacity contains 456 g of ice at -25.0°C. A lab technician begins to…
A: The beaker initially contains 456 grams of ice, at -25 C. Water converts into ice as soon as the…
Q: If 31.0 g of milk at a temperature of 4.15°C is added to a 250-g cup of coffee at a temperature…
A: Let the final temperature is T
Q: What is the internal energy and enthalpy of water at P = 300 kPa and T = 110°C? See water tables. О…
A: Based on the information provided, the internal energy (u) and enthalpy (h) of water at P = 300 kPa…
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: copper pipe absorbs 3600 joules of heat as the temperature changes from 53.5°C to 70.0°C. What is…
A: Given: The amount of heat absorbed by copper pipe is Q=3600 J. The initial temperature is T=53.5°C.…
Q: A copper rod has a length of 2.0 m and a cross-sectional area of 3.3 × 10-4 m². One end of the rod…
A: Step 1:Given:Length of copper rod; l=2.0mCross sectional area of the rod; A=3.3×10−4m2Boiling point…
Q: The area of the skin of an adult human being is about 2.10m^2. If the temperature of the skin of an…
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Q: A 75.0-g cube of ice at −10.0°C is placed in 0.610 kg of water at 50.0°C in an insulating container…
A: Given data: The mass of ice cube is mi=75 g. Temperature of ice cube is Ti=-10°C. The mass of water…
Q: What mass of steam at 100°C must be mixed with 199 g of ice at its melting point, in a thermally…
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Q: ce at 0.0°C is mixed with 8.30 × 102 mL of water at 25.0°C. How much ice must melt to lower the…
A: Solution: given that ice temperature Tice,i=0 degree C The volume of water V=8.33x102 mL water…
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Q: A container has 150.00 x 10-6 m3 of coffee at 85° C. To cool the coffee, you dropped two 11.0g ice…
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Q: 20.0 g of milk at a temperature of 2.00° C is added to 300.0 g of coffee at a temperature of 170° C.…
A: Write the given values of this problem. m1=20 g or 0.02 kgT1=2°C or 275 Km2=300 g or 0.3 kgT2=170°C…
Q: a container has 0.3 kg of water and 0.5 kg of ice at 273 K. How much water vapor should be…
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Q: width of 9.0m and a length of 12.0m. The depth of the water is 1.83m. One morning the temperature…
A: GivenWidth of pool, b=9 mLength of pool, L=12 mDepth of pool, h=1.83 mT1=15°C=15+273=288 KHeat…
Q: A closed box is filled with dry ice at a temperature of -80.1 °C, while the outside temperature is…
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Q: Water is placed into an iron container along with an ice cube. They are thermally isolated. The…
A: mass of iron container = 620 g Initial temperature of container = 70o C mass of water (m) = 200 g…
Q: Exactly 46.33 kJ of heat is transferred to a 1.389 kg slab of nickel at a temperature of 12.7°C. (a)…
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Q: You wish to cool a 1.83 kg block of brass initially at 92.0°C to a temperature of 49.0°C by placing…
A: Given data: Mass of brass block (mb) = 1.83 kg Initial temperature of block (T0) = 92.0°C Initial…
Q: An electronics device generates 32.7 W of heat energy during normal operation. The heat is…
A: Convection is the process of transfer of heat from a hot region to a cold region by the actual…
Q: An insulated mug of coffee contains 493.26 cm3 of coffee at 90.85 °C. You drop 24.8 g of ice (0 °C)…
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Q: We pour 0.200 Kg of hot coffee at 80°C into a silver cup of mass equal to 0.400 Kg which is…
A: It is given that,
Q: Water is placed into an iron container along with an ice cube. They are thermally isolated. The iron…
A:
Q: A solid aluminum sphere has a radius of 12.4 cm at a certain temperature. It is then cooled by 64.0…
A: The volume of solid sphere is calculated by using the formula V=43πr3 , where r=0.124 m is the…
Q: 50.0 g of ice at –20.0 oC is placed in a glass containing 100 g of liquid water at 10.0 oC. Assume…
A: The mass of ice is given as, mi=50 g, The temperature of ice is given as, Ti=20 oC, The mass of…
Q: The amount of heat per second conducted from the blood capillaries beneath the skin to the surface…
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Q: A sphere of surface area 1.25 m² and emissivity 1.0 is at a temperature of 100°C. At what rate does…
A: The surface area of the sphere is 1.25 m2.The emissivity is 1.The temperature of the sphere is…
Q: Coefficient of linear expansion of a certain metal is 3.0 ×10¬0 °C¯1. What is the coefficient of…
A: The coefficient of linear expansion of an object is given as:αL=1L(∂L∂T)where,L is the length of the…
Q: A cube of length 10cm is heated through a change in temperature of 70 oC. If the coefficient of…
A: Given: The length of the cube is 10 cm. The change in temperature is 70oC. The linear expansion…
Q: When it rains, water vapor in the air condenses into liquid water, and energy is released. (a) How…
A: length, Area,
Q: The temperature of a aluminum bar rises by 10.0°C when it absorbs 4.73 kJ of energy by heat. The…
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Q: 0.35 kg of water ice at -3.1°C is placed in an aluminum mug that had been previously cooled to…
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Q: One pound of air with an initial temperature of 200F is allowed to expand without flow between…
A: Given: The initial temperature is given as 200oF Pressure is 90 and 15 psia.
Q: Heat capacity of ice: 2090 J kg-¹ °C-1 -1 Heat capacity of water (liquid): 4186 J kg-¹ °C-1 Latent…
A: Given, Heat capacity of ice, Ci=2090Jkg-1°C-1 a. The temperature of the ice, T1=-50°CT2=-27°C Mass…
Q: You are given 204 g of coffee (same specific heat as water) at 80.0°C (too hot to drink). In order…
A: Given Mass of coffee = 204 g Initial temperature of coffee = 80 °C final temperature of coffee = 60…
Q: 21.0 g of copper pellets are removed from a 300C oven and immediately dropped into 70.0 mL of water…
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Q: If the heat is assumed to be generated 0.03 m below the skin, the temperature difference between the…
A: In this case, the heat is generated below the skin. The temperature difference between the skin and…
Q: Ice at 0.0°C is mixed with 6.30 × 102 mL of water at 25.0°C. How much ice must melt to lower the…
A: The objective of the question is to find out how much ice must melt to lower the temperature of a…
Q: You wish to cool a 1.95 kg block of brass initially at 80.0°C to a temperature of 41.0°C by placing…
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Q: On a hot dry day, evaporation from a lake has just enough heat transfer to balance the 1.00 kW/m2 of…
A: Given: The heat transfer from the sun is Q=1 kW/m2. The time of evaporation is t=1 h. The area of…
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