In the lab, an experimenter mixes 75.0 g of water (initially at 30o C) with 83.8 g of a solid metal (initially at 600 o C). At thermal equilibrium, he measures a final temperature of 50.0 o C. What is the specific heat of the metal used?

Q: Two substances, A and B, initially at different temperatures, come into contact and reach thermal…

A: The weight of substance A is 6.34 g.The initial temperature of substance A is 20.2˚C. The weight of…

Q: 2. A 125-g metal block at a temperature of 93.2 °C was immersed in 100. g of water at 18.3 °C. Given…

A: Given: For metal, Mass (m1) = 125g,  Initial temperature (Ti) = 93.2°C Specific heat (C1) =…

Q: A 35.0 g block of metal at 80.0 °C is added to a mixture of 100.0 g of water and 15.0 g of ice in an…

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Q: How much heat (in kJ) is needed to raise the temperature of 100.0 grams of water by 25.0 °C?  The…

A: Mass of water(m) = 100 gm  specific heat capacity of water(s) = 4.184 J/g·°C  Increase in…

Q: A 434.5 g sample of water at 20.0 °C is mixed with 100.0 g of a certain metal at 95.0 °C. After…

A: to find Cp for this metal use this above ,Heat lost by the metal = heat gained by the water Given…

Q: What is the mass of a silver coin if 5.2 J is required to raise its temperature from 21.0 to 25.0…

A: Given :: Heat q=5.2 J Initial temperature T1=21.0 ℃ Final temperature T2= 25.0 ℃ Specific heat of…

Q: 2. A 125-g metal block at a temperature of 93.2 °C was immersed in 100. g of water at 18.3 °C. Given…

A: Temperature of metal (T1) = 93.2°C Mass of metal (m) = 125 g Temperature of water (T2) = 18.3°C Mass…

Q: When an alloy containing 20 g aluminum (c = 0.900 J g⁻¹ K) and 29 g copper (c = 0.385 J g⁻¹ K⁻¹) at…

A: Given that;   Mass of aluminum MAl  = 20g Heat capacity cAl  = 0.900 J/g°C  (unit correction)  Mass…

Q: A sheet of gold weighing 10.3 g and at a temperature of 10.0°C is placed flat on a sheet of iron…

A: The amount of heat absorbed (or released) by fixed amount of a substance to change its temperature…

Q: In the construction of bridges andskyscrapers, gaps must be left between adjoining steel beams…

A: The given problem can be solved by using the formula given below as; q=m C ∆T…

Q: A piece of iron (5 g) at 150 oC with a specific heat of 0.45 J/g oC is placed in 100 mL of water at…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: The specific heat of aluminum metal equals 0.90O JK g¯. Consider a process in which a 25 g piece of…

A: Given Aluminium mass of aluminium (m1) = 25 g specific heat of aluminium (C1) = 0.900J/g-K Tf = T…

Q: 43.5-g sample of copper at 99.7 °C is dropped into a beaker containing 155 g of water at 18.6 °C.…

A: Given: mass of copper=  m1  = 43.5g temperature of copper = t1  = 99.7 deg C mass of water = m2 =…

Q: A 126 g metal bar requires 2.50 kJ to change its temperature from 25.5 oC to 100.0 oC. What is the…

A: The energy required by  a metal to increase its temperature is given by  Q = m Cp ΔT where m = mass…

Q: A sheet of gold weighing 10.0 g and at a temperature of 18.0°C is placed flat on a sheet of iron…

A:

Q: A 5.18 g sample of aluminum, initially at 53.6 °C, is submerged into 25.1 g of ethanol at 18.5 °C in…

A: Given: Mass of Aluminium = 5.18 g  Initial temperature = 53.60C  Mass of ethanol = 25.1g

Q: 2. A 125-g metal block at a temperature of 93.2 °C was immersed in 100. g of water at 18.3 0C. Given…

A: The given data : The mass of the metal block = 125 g The initial temperature of metal = 93.2°C The…

Q: A sheet of gold weighing 10.6 g and at a temperature of 15.3°C is placed flat on a sheet of iron…

A: Mass of gold weight = 10.6 g Temperature of Gold = 15.3°C Mass of iron weight = 21.2 g  Temperature…

Q: A 440.0 g quantity of a certain metal is heated to 100.0 C. It is immediately placed into 258 g of…

A:

Q: A piece of metal weighing 65.124 g at 23.7 °C and then put it into 100.0 g of water (initially at…

A: Given: Mass of metal = 65.124 g Initial temperature of metal = 23.7 oC Mass of water = 100.0 g…

Q: The specific heat capacity of iron is 0.461 J/g*K and 0.544 J/g*K for titanium. A sample consisting…

A: Given:The specific heat capacity of iron is 0.461 J/g*KThe specific heat capacity of titanium is…

Q: A 6.22-kg of copper metal is heated from 20.5C to 324.3C. Calculate the heat absorbed (in kJ) by the…

A: The heat absorbed in the heating process of a solid metal is given by  Q = mCΔT where Q = heat…

Q: A piece of unknown metal with a mass of 18.01 g is heated in boiling water to 98.9°C and then…

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Q: A sheet of gold weighing 9.3 g and at a temperature of 15.2°C is placed flat on a sheet of iron…

A: Since both the metals are in contact  hence the heat will transfer from the hot sheet to cold sheet…

Q: A block of aluminum of unknown mass has an initial temperature of 58.6°C. The aluminum is immersed…

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Q: A metal object with mass of 20.5 g is heated to and then transferred to an insulated container…

A: when we mix to object then it grow from high temperature too low temperature . so apply principle of…

Q: A sample of silver metal is heated to 100.1 °C in a hot water bath until thermal equilibrium is…

A: Given that: mass of water = 52.483 g initial temperature of metal  = 100.1 °C final temperature of…

Q: A 991 g copper pan is removed from the stove at a temperature of 150 °C. It is then stacked on top…

A: Given: Mass of copper pan = 991 g Mass of aluminium sheet = 799 g Specific heat of copper = 0.387…

Q: 11. A piece of unknown solid substance weighs 437.2 g, and requires 8460 J to increase its…

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Q: A 43.0-g sample of copper at 99.1 °C is dropped into a beaker containing 151 g of water at 18.7 °C.…

A: When copper is placed in water, the heat liberated from copper will be equal to the heat gained by…

Q: Suppose that 26 g of each of the following substances is initially at 29.0 °C. What is the final…

A: Given: mass of substance = 26 g Initial temperature = 29°C Heat absorbed = 2.35 kJ  Standard data:…

Q: Thirty grams of silicon at 80.0°C is added to 70.0mL of water at 20.0°C. Calculate the final…

A: Given: The mass of silicon = 30 g The initial temperature of silicon = 80.0 °C The volume of water =…

Q: When 1 mol of CS2(l) forms from its elements at 1 atm and 25 ° C,  89.7 kJ  is absorbed, and it…

A: Hess law of constant heat summation: This law states that regardless of the multiple stages or steps…

Q: 4. A sheet of gold weighing 10.0 g and at a temperature of 18.0 °C is placed flat on a sheet of iron…

A: The heat lost from the iron sheet will be heat gained by the gold sheet as no heat is lost to the…

Q: A 395.7 g sample of water at 20.0 °C is mixed with 100.0 g of a certain metal at 95.0 °C. After…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: A 44.5-g sample of copper at 99.4 °C is dropped into a beaker containing 150. g of water at 18.0 °C.…

A:

Q: How much energy is removed from 500.0 g of liquid water when the temperature is lowered by 1.10 deg…

A: We know that : Q = mC∆T ...(1)  Here, Q = kJ, m = mass of water = 500 gm, C = heat capacity of water…

Q: A copper cylinder has a mass of 76.8g and a specific heat of 0.092 cal/g°C. It is heated to 86.5°C…

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Q: If a 50.0 g piece of brass rod at 98.0°C is placed in 150.0 g of water at 25.0°C, what is the final…

A: Given, For brass, Mass of brass (mbrass) = 50.0 g Specific heat capacity of brass (Cpbrass) = 0.38…

Q: What is the specific heat of a metal which requires 175 joules for 5.75 grams to be heated from…

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Q: A 80.8 g chunk of granite (specific heat: 0.79 J/g°C) is heated to 225.7 °C and dropped into a…

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Q: A sheet of gold weighing 10.6 g and at a temperature of 15.3°C is placed flat on a sheet of iron…

A:

Q: A 12.5-g sample of granite initially at 82.0 °C is immersed into 25.0 g of water that is initially…

A: The final temperature for granite and water = X Initial temperature for Granite = 82◦ C Temperature…

Q: A 47.0-g sample of copper at 99.3 °C is dropped into a beaker containing 158 g of water at 18.2 °C.…

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Q: When a 43.0 g sample of metal at 100.0 °C is added to 38.0 g of water at 23.72 °C, the final…

A: The amount of heat energy  is related to specific heat capacity as,…

Q: What is the chemical equation for the reaction that corresponds to breaking just the carbon–carbon…

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Q: A 55 kg block of metal has an original temperature of 15.0°C and 0.45 J/g°C. What will be the final…

A: m = 55 kg = 55000 g  Ti = 15°C  c = 0.45 J/g.°C q = 450 J  Tf = ?

Q: A 87.9 g chunk of limestone (specific heat: 0.22 J/g°C) is heated to 231.9 °C and dropped into a…

A: Mass of limestone (m) = 87.9 g Specific heat of limestone (c) = 0.22 J/g.°C Initial temperature (Ti)…

Q: A hot lump of 37.137.1 g of iron at an initial temperature of 95.6 °C95.6 °C is placed in 50.0 mL…

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Q: A piece of metal with a specific heat of 1.153 J/gºC is heated to 124.6ºC and then placed in 120.382…

A: