A 0.250-kg block of a pure material is heated from 20.0 °C to 65.0 °C by the addition of 4.35 kJ of energy. Calculate its specific heat and identify the substance of which it is most likely composed.

Q: A 5 gram lead bullet traveling in 20°C air at 300 m/s strikes a flat steel plate and stops. What is…

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Q: A 50.0-g copper calorimeter contains 260 g of water at 20.0°C. How much steam at 100°C must be…

A: From calorimetric equation, the expression for the mass of the steam,

Q: A 6.22-kg piece of copper that is heated absorbs 728 kJ of energy.  If the copper starts at 20.5° C,…

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Q: Approximately how much heat must be removed from 0.5 kg of 50 °C water to freeze it into 0 °C ice?…

A: Mass of water= ½ Kg Initial temperature of water, Ti= 273+50 K Latent heat of fusion= 334000 J/Kg…

Q: The specific heat of aluminum is 0.21 J/g°C. How much heat energy is released when a 10 g piece of…

A: Given:-  The specific heat of aluminum is 0.21 J/g°C The mass of aluminum foil is m = 10 g   The…

Q: A glass container has a total wall area (inlcuding the lid) of 1.75m´ and a wall thickness of 1.5…

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Q: A 0.03-in-thick copper plate (k = 223 Btu/h·ft·°F) is sandwiched between two 0.15-in-thick epoxy…

A: The heat conducted along the copper layer,

Q: What will be the final temperature is a 4 x 10⁷ J of heat is transferred to a 1kg block of aluminum…

A:

Q: 22) A 4.0-kg aluminum block is originally at 10°C. If 160 kJ of heat is added to the block, what is…

A: solution:- given data , mass of block m = 4kg, initial temperature of  block,  Ti  = 10°C, when we…

Q: The 0.75 cm thick windows of a house have a total surface area of 9.0 m². The thermal conductivity…

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Q: A human Body loses about 360 kJ of heat every hour at 23.4 0C. Assuming that an average human body…

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Q: If the specific heat capacity of the ice is 0.5 cal/g oC, how much heat would have to be added to…

A: First the temperature of ice -10°C is raised to 0°C then ice is melted to water at the same…

Q: How much heat is required to melt 30kg of ice at 0 °C to water at 10 °C? The latent heat of ice to…

A: Here, the ice is at the melting point. First ice will completely converted into water at the melting…

Q: A spring of force constant k= 8.40 × 103 N/m is compressed by 0.370 m. It is placed into a vessel…

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Q: How much thermal energy is absorbed by a 0.0220 kg ice cube as it melts? The latent heat of fusion…

A: Assume the ice is at melting point 0°C. The thermal energy absorbed by the ice as it melts is given…

Q: if 50 g of aluminum shot (c = 0.22) is heated to 100°C and dropped into 200 g of water at 20°C, the…

A: Given: The mass of the aluminum is 50 g. The initial temperature of the aluminum is 100oC. The…

Q: Water has a latent heat of fusion of 334 J/g and a latent heat of vaporization of 2260 J/g. How much…

A: Mass of the water is given. Now at boiling point the temperature of water has already increased from…

Q: The specific heat of a certain type of metal is 0.128 J/(g⋅∘C). What is the final temperature if 305…

A: Amount of heat,Q= MCdt Where M= mass of metal=  38.0 g  C= specific heat= 0.128 J/(goC) dt=change in…

Q: A 1.50-kg aluminum tea kettle contains 1.80kg water and placed on a stove. If there is no heat lost…

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Q: How much thermal energy (in J) is required to boil 2.25 kg of water at 100.0°C into steam at…

A:

Q: A 0.250-kg aluminum bowl holding 0.800 kg of soup at 25.0 °C is placed in a freezer. What is the…

A: The amount of heat lost to cool the soup from 25°C to 0°C is…

Q: How much heat is required to raise the temperature of a 225-g lead ball from 15.0°C to 25.0°C? The…

A: Given : m = 225 g = 0.225 kg To = 15°C T = 25°C c = 128 J/kg.K

Q: A 120 g iron bar (specific heat = 450J/kgøC) at 100 øC is placed into 225 g of water at 35 øC. What…

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Q: 0.5 kg of a material requires 4000 J to raise its temperature by 2 °C, what is the specific heat…

A: Given data:  Mass (m) = 0.5 kg = 500 g Heat energy (Q) = 4000 J Raise in temperature (ΔT) = 2°C…

Q: 22) A 4.0-kg aluminum block is originally at 10°C. If 160 kJ of heat is added to the block, what is…

A: Write the given values with the suitable variables. m=4 kgT1=10 °C=283 KQ=160 kJ=160×103 JC=910…

Q: If 150 g of ice at 0°C is added to 200 g of water in a 100-g aluminum cup at 30°C, what is the…

A:

Q: A 2.0-kg aluminum block is originally at 10 degree Celcius. If 36 kJ of energy are added to the…

A: Given Data: The mass of the aluminum block is, m = 2 kg. The initial temperature is, t = 10° C. The…

Q: We have 39.5 g of a particular substance. Its specific heat in solid form is 0.8 J/(g K) and its…

A: The unit of temperature is not given. As the unit of Temperature used in specific heat is Kelvin.…

Q: A copper vessel whose mass is 150 g contains 60 g of water at 15.50C. How many calories of heat are…

A: Given data: Mass of copper vessel, mcu=150(g), mass of water, mw = 60 (g), initial temperature ,Ti =…

Q: The melting point of aluminum is 660°C, its latent heat of fusion is 4.00 x 105 J/kg, and its…

A: According to question --- Given data--- melting point = 660 degree C  Latent heat of fusion = 4 ×…

Q: A 0.250-kg block of a pure material is heated from 20.0C to 65.0C by the addition of 4.35 kJ of…

A: mass, m = 0.25 kg  T = 20 degree C  T' =  65 degree C  heat, H = 4.35 kJ

Q: How much energy is required to increase the temperature of 0.02 kg water by 1°C? [specific heat of…

A: Given data: Mass (m) = 0.02 kg Increase in temperature (ΔT) = 1°C Specific heat capacity of water…

Q: How much heat must be given to increase the temperature of 1kg water by 20 degree C? (Specific heat…

A:

Q: A 50.0g thermometer is used to measure the temperature of 100 mL of water. The specific heat of the…

A: Given, Mass of thermometer mt = 50 g Mass of water mw = 100 ml = 0.4 Kg Specific heat ct = 750 J/kg…

Q: A 1.00x102g metal block at 100° C is placed in 1.00x10° g of water at 10.0°C. The final temperature…

A: Mass of metal m=100 g=0.1 kg Initial temperature of metal block Tm=100 C0 Mass of water M=100 g=0.1…

Q: A 26 grams silver ring (specific heat capacity: 234 J/Kg C)  is  heated to a temperature of 83.7 C…

A:

Q: A 4.0-kg aluminum block is originally at 10°C.  If 160 kJ of heat is added to the block, what is its…

A: (given)                      Mass (m) of aluminium block = 4 kg Initial temperature (Ti) of…

Q: How many kilograms of water must evaporate from a 49.2 kg woman to lower her body temperature by…

A:

Q: A plane wall is 2 meter high by 3 meter wide and is 2 cm thick. It is made of 0.50 W/m-K. A…

A: There are numerous applications for the heat flux value. It aids in the evaluation of heat transfer…

Q: A 50.0-g piece of brass (specific heat 380 J/kg K) is heated to 90.0° C and immersed in 100 g of…

A:

Q: What amount of heat (in kJ) is required to convert 13.9 g of an unknown solid (MM = 67.44 g/mol) at…

A: Given values:- Mass of an unknown solid,(m)=67.44 g/mol ----(1) Initial temperature,(T1)=-15.4 0C…

Q: How much heat is required to raise the temperature of a 225 g lead ball from 15 °C to 25 °C? The…

A: Option C is the right answer  288 J

Q: A 900 cm X 1080 cm house is built on a 17 cm thick concrete slab of thermal conductivity 0.74…

A: GivenDimension of house =900 cm×1080 cmThickness of concrete slab, ∆x=17.6 cmThermal conductivity,…

Q: What is the minimum amount of liquid water at 26.5 degrees that would be required to completely melt…

A: Given, Mass of ice, Temperature of water, Minimum temperature of water possible, Specific heat…

Q: Determine the rate of heat flow through a glass window 1.50 m high and 2.0 m wide. The thickness of…

A:

Q: 1.) 100.0 ml of 4°C water is heated until it reaches 37 C. Assume that the density of liquid water…

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Q: f a substance is heated to 350 ∘C and then plunged into a 105-g aluminum calorimeter cup containing…

A: The mass of the substance msub= 235 g  The heating temperature Th = 350oC The mass of the aluminum…

Q: How much heat must be removed from a 200-g block of copper to lower its temperature from 150°C to…

A: Given, heat Qmust be removed from a mass m=200-g block of copper to lower its temperature from…

Calorimetry

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