A 200 gram copper calorimeter contains 400 g of water at 25 °C. A metal specimen weighing 250 g is heated to a certain temperature and then plunged into the calorimeter. The final temperature of the mixture is 42 °C. If then specific heat of the metal specimen is 0.09 cal/(g-°C), find the initial temperature of the specimen just before it was

Q: A 0.593 g sample of steam at 105.9 °C is condensed into a container with 5.52 g of water at 14.6 °C.…

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Q: A copper rod is 0.705 m long with a rectangular cross section of dimensions 0.0555 m by 0.0755 m.…

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Q: A 76.25 gram copper metal is heated to 136.5°C and dropped into 113.6 gram of water at an initial…

A: Given, mass ofthe copper, mc = 76.25 gminitial temperature of copper, Tc = 136.5 °Cmass of the…

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: A glass window is 3.7 mm thick, is 2.29 m tall by 1.04 m wide, and has a thermal conductivity of 1.0…

A: Given , thickness = 3.7 mm height = 2.29 m Width = 1.04 m Thermal conductivity k = 1 W/m K Inside…

Q: A closed box is filled with dry ice at temperature of - 78.5°C, while the outside temperature is…

A: The rate of heat flow is given by  H = K A (T'- T) td where, K is the coefficient of thermal…

Q: You drop an ice cube into an insulated container full of water and wait for the ice cube to…

A: You drop an ice cube into an insulated container full of water and wait for the ice cube to…

Q: A 0.650 kg piece of glass is submerged in 820 g of water (c = 4.18 x 103 J/kg°C) at 24°C.  The…

A: Given: The mass (m1) of the glass is 0.650 Kg. The mass (m2) of the water is 820 g. The specific…

Q: An object has mass 96_g. It is made of a metal alloy with specific heat 320 J/kg-°C, and it has…

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Q: A geyser heats water flowing at the rate of 3.0 litres per minute from 27 °C to 77 °C. If the geyser…

A: Step 1It is given that

Q: A 78.11 gram copper metal is heated to 128°C and dropped into 127.12 gram of water at an ini tial…

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Q: A glass window is 2.7 mm thick, is 1.59 m tall by 0.8 m wide, and has a thermal conductivity of 1.0…

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Q: A 80.03 gram copper metal is heated to 132°C and dropped into 119.36 gram of water at an initial…

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Q: When excessive heat is produced within the body, it must be transferred to the skin and dispersed if…

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Q: In an experiment, a 0.150 kg insulated aluminum can contains 300 g water at 20 °C. The can and the…

A: Write the given values with the suitable variables. ma=0.150 kgmw=300 g=0.3 kgT1=20 °Cmm=0.10…

Q: A glass window is 2.6 mm thick, is 2.31 m tall by 0.8 m wide, and has a thermal conductivity of 1.0…

A: Thickness of glass window is t = 2.6×10-³ m  height of the glass window is h = 2.31 m  the window is…

Q: A 0.650 kg piece of glass is submerged in 820 g of water (c = 4.18 x 103 J/kg°C) at 24°C.  The…

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Q: 6

A: Given that,Mass of copper metal : m = 84.59 kgMass of water : M = 112.64 kgRadius of circle : r =…

Q: A large steam pipe is covered with a 4.80 cm thick insulating material with a thermal conductivity…

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Q: A blacksmith cools a chunk of iron initially at 625 °C by trickling water from a jug over it. The…

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Q: You drop an ice cube into an insulated container full of water and wait for the ice cube to…

A: Mass of ice =90g=0.09kg Mass of water =730g =0.73kg Intial  temperature of water=20°C Specific heat…

Q: An aluminum alloy hollow metal sphere (a = 25×106/°C) with a radius of 1 meter is exposed to a 111°C…

A: Aluminium alloy hollow sphere having radius (r)= 1 m  Coefficient of linear expansion (α) of…

Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of…

A: Given The mass of the ice cube = 17.6 gms Initial temperature of the ice = - 12.6 0C The temperature…

Q: A Styrofoam box has a surface area of 0.9 m² and a wall thickness of 1.8 cm. The temperature of the…

A: Area, A  0.9 m2  Thickness, d = 1.8 cm = 0.018 m  T = 6.6 degree C  T' = 24 degree C  time, t = 7.7…

Q: A glass container with an insulating cover with a surface area of ( R +150)cm2 and (R+10)mm thick is…

A: Given Data, Surface Area A=233cm2thickness t=93mminitial temperature T0=00CFinal temperature T=1630C

Q: At 30°C, a brass cube has an edge length of 17 cm. What is the increase in the cube's surface area…

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Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of…

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Q: What must be value of N if the equilibrium temperature T is 28 °C? Note that the specific heat…

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Q: A piece of cold iron of mass 3 kg is lowered into 10 kg of water at 96 °C. The initial temperature…

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Q: In an experiment, a 125-g sample of an unknown metal is heated to 98.0°C. The metal is then placed…

A: The mass of an unknown sample is, m1=125 g The temperature difference of an unknown metal is,…

Q: You drop an ice cube into an insulated container full of water and wait for the ice cube to…

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Q: AT vs. Q 40 35 30 25 550 600 650 700 750 800 Q (1) Use the given graph and the equation ( 0= m C AT…

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Q: A sealed container holding 0.492 kg of liquid nitrogen at its boiling point of 77.3 K is placed in a…

A: Heat energy is how quickly the molecules and particles in a substance are moving. Temperature is the…

Q: A box with a total surface area of 1.20 m and a wall thickness of 4.00 cm is made of an insulating…

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Q: A 82.46 gram copper metal is heated to 138.5°C and dropped into 110.48 gram of water at an initial…

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Q: In an experiment to determine the specific heat of copper, a piece of copper weighing 50.06 is first…

A: Given data: The mass of copper piece is mc=50.06 g. The initial temperature of piece is Ti=100℃.…

Q: ou pour 20.1 kg of water at 100 °C into a bucket containing 79.2 kg of water at 5 °C. What is the…

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Q: A 65.21 gram copper metal is heated to 130°C and dropped into 119.76 gram of water at an initial…

A: Given information: The mass of the copper metal (m) = 65.21 grams = 0.06521 kg The initial…

Q: 0.0550 kg piece of glass is heated to an unknown temperature and dropped into a calorimeter…

A: Mass of piece of glass , mg=0.0550 kg Mass of water into calorimeter , mw=0.150 kg Initial…

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Q: Suppose you place 0.265 kg of 24.5°C water in a 0.45 kg aluminum pan with a temperature of 147.5°C,…

A: Heat gained by water, Q1 when reached its boiling point, Q1=mC∆T…

Q: You drop an ice cube into an insulated bottle full of water and wait for the ice cube to completely…

A: Given data: Mass of ice is, m=70 g =0.07 kg. Initial temperature of ice is, T1=0∘C =273+0 =273 K.…

Q: You drop an ice cube into an insulated container full of water and wait for the ice cube to…

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Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.