A piece of aluminum with a mass of 30 grams was heated in a steam jacket to 98oC and then plunged into 120 grams of water at 9oC, causing the temperature to rise to 13.5oC. What is the specific heat of aluminum?

Q: Mercury was once used in thermometers and barometers. When 69.7 J of heat are absorbed by 100.0 g of…

A: Given, Heat absorbed Q = 69.7 J change in temperature ΔT = 29.98 - 25 = 4.98 ℃ Mass m = 100 g

Q: A 125 gram piece of metal is heated to 288°C and dropped into 85.0 grams of water at 26.0°C.  If the…

A: We have 125 g of metal of temperature 288°C, 85 g of water at 26°C , both have final temperature as…

Q: A 12.3 g chunk of metal is heated up to 95°C and  dropped into an insulated vessel containing 157 g…

A: The question is based on the concept of law of conservation of energy . whatever heat lost by the…

Q: What is the specific heat of a metal substance that requires 6.00 kJ to raise the temperature of 300…

A: Given that : Mass of metal sample (m) = 300 g Initial temperature (Ti) = 25 oC Final temperature…

Q: A 35 91 g rock is heated to 97 2°C and placed into 81 57 g of water originally at 32.0 °C. If the…

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

Q: A 498.00 sample of an unknown metal at 92.15°C is placed in a calorimeter containing 185.00 mL of…

A: At the thermal equilibrium, the heat lost by the metal is equal to the gained by the water.…

Q: When a 100-gram cylinder of copper, initially at 100° C, is placed in 100 grams of household…

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Q: A sample of lead is heated to 189.4oC.  It is then placed in a cup containing 32.8 g water at…

A: The relationship between heat , specific heat capacity and change in temperature is given by the…

Q: A 15.24-g piece of the metal is heated to 75.15 oC and placed in an insulated cup containing 50.00…

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Q: Acetylene, C2H2, is used in welding torches. It releases a lot of energy when burned in oxygen. The…

A: Given: Acetylene, C2H2, is used in welding torches. It releases a lot of energy when burned in…

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: A 53.33 gram sample of iron (with a heat capacity of 0.450 J/gºC) is heated to 100.0 ºC. It is then…

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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: A 1.0 kg sample of an unknown substance absorbed 30.7 kJ, raising the temperature from 20.0 °C to…

A: We have mass of sample as 1000 g, heat absorbed as 30.7*103 J, initial temperature as 20°C final…

Q: spacecraft is fueled using hydrazine ​(N2H4​; molecular weight of 32 grams per mole​ [g/mol]) and…

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Q: A 52.7 g. piece of an unknown metal is heated up 51.4 °C when given 3492 J of heat.  What is the…

A: Formula : Heat, q = msΔT     3492 = 52.7 x s x 51.4   s = 1.289 J g-1 °C-1 Here s is specific heat…

Q: When the fuel mixture contained in a 1.51 L tank, stored at 754 Torr and 298 K, undergoes complete…

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Q: burned

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Q: It was determined that: 135 J of heat is required to increase the temperature of 10.0 g of an…

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Q: A block of an alloy of mass 35.0 g and at a temperature of 19.54 °C is placed in a calorimeter…

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Q: The sum of the coefficients of the balance reaction for the combustion of acetylene is _____.…

A: Here, the question is about calculating the sum of the coefficients of the balanced chemical…

Q: A total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the…

A: The objective of this question is to calculate the enthalpy change of the reaction in kilojoules per…

Q: A piece of metal weighing 71.35 g was heated to 96.6oC and then put into 42.95 g of water (initially…

A: The heat released or absorbed (q) when the temperature of any substance is raised is calculated as:…

Q: A 240.0-g sample of water at 25.0°C is mixed with 120.9 g of a certain metal at 100.0°C. After…

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Q: Acetylene, C2H2, is used in welding torches.  It releases a lot of energy when burned in oxygen.…

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Q: When 2.25 grams of zinc reacts with 75.0 mL of 0.500 M HCl(aq), 5.63 kJ of heat are produced.…

A: The given data - The mass of Zinc = 2.25 The volume of HCl = 75.0 mL The molarity of the HCl = 0.500…

Q: 2. A piece of a metal with an unknown identity has a mass of 23.8 g. The sample is heated to 125°C…

A: Mass of metal = 23.8 g Temperature = 125 0C mass of water = 50 g Initial temperature = 24 0C Final…

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

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Q: A 2.62E1 g sample of aluminum at 1.008E2 °C is added to 1.002E2 g of water at 2.22E1 °C in a…

A: For a chemical reaction or physical process to occur a certain amount of energy should be furnished…

Q: A 45.0 g sample of an alloy was heated to 90 oC and then dropped into a beaker containing 82.0 g of…

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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 chemist carefully measures the amount of heat needed to raise the temperature of a 0.27 kg sample…

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Q: A block of gold is heated to 59.2 °C and placed in a sealed insulated containerfilled with 100.0 g…

A: Given information: Mass of water = 100.0 g Initial temperature for water (Ti) = 25 oC Final…

Q: Acetylene, C2H2, is used in welding torches.  It releases a lot of energy when burned in oxygen.…

A:

Q: A gaseous fuel mixture contains 23.2% methane (CH4), 40.8 % ethane (C2H6) and the rest propane…

A: Given, the volume percentage ofThe volume of the tankTemperaturePressure

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

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Q: Chlorine Tri fluoride is a toxic intensely reactive gas.  It was used in WWII to make incendiary…

A: It is an exothermic reaction having ∆H as negative value and 1196 kJ of heat is evolved.

Q: In the lab, an experimenter mixes 75.0 g of water (initially at 30o C) with 83.8 g of a solid metal…

A: To determine the specific heat capacity of any particular metallic substance, calculate the energy…

Q: O Thermochemistry = Using specific heat capacity to find temperature change 1/3 Bishop A chemical…

A: Tf​=36.1°CExplanation:Given: mw​=8.70kg;Ti​=33.2°C;q=106.kJ;C=4.18J/g°C;Tf​=???°CStep 1: Convert the…

Q: 140.0-g sample of water at 25.0°C is mixed with 126.1 g of a certain metal at 100.0°C. After thermal…

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Q: A 328.00 sample of an unknown metal at 87.78°C is placed in a calorimeter containing 136.00 mL of…

A: The principle of the calorimeter is the heat energy transferred between the water in the calorimeter…

Q: Calculate the specific heat of gold that absorbs 12.6 J of energy when heated from 35 to 60 oC and…

A: Given, heated from initial temperature, T1 = 35 oC to Final temperature, T2= 60 oC Mass,m = 3.92 g…