An electrical heater is used to supply 105.0 J of energy to a 15.0 g sample of aluminum (specific heat is 0.901 J/(goC), originally at 295.0 Kelvin. Determine the final temperature in Kelvin.

Q: All of the heat from the combustion of 30.69 mL of C,H, is transferred to 7.513 L of water at…

A: 2C6H6(l) + 15O2(g) → 12CO2(g) + 6H2O(l) ΔHo = −6535 kJ Given, Volume of C6H6 = 30.69ml  Density of…

Q: What mass of iron in pounds is needed to absorb 5.4 kJ of energy if its temperature is to increase…

A:

Q: A system gains 727 kJ of heat, resulting in a change in internal energy of the system equal to +151…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 886.0 g sample…

A: The heat (q) absorbed or evolved can be calculated by the mass (m) of the compound, temperature…

Q: A 216.9 g sample of sodium absorbs 800.2 joules of heat. The specific heat capacity of sodium is…

A:

Q: How much heat energy would be needed to raise the temperature of a 32.0 g sample of gold [C = 0.129…

A: Given: Mass of sample of gold, m =32.0 g Initial temperature, T1=21.8°C Final temperature, T2=75.0°C…

Q: the laboratory a student finds that it takes 29.3 Joules to increase the temperature of 13.1 grams…

A: Given -> ∆H= 29.3 joule Weight (m) = 13.1 gm T1=20.0°C  T2= 37.9°C

Q: A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

A: Using the following equation, the mass of the metal is calculated.

Q: How much heat must be applied to a 40.2g sample of gold (s=0.129 J(g∙℃)) in order to raise its…

A: Given information:Mass of gold = 40.2 gInitial temperature = 28.2 ˚CFinal temperature = 351.5…

Q: A 37.15 gram sample of copper (specific heat, 0.385 J/g•°C) with an initial temperature of 95.8°C is…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

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: O THERMOCHEMISTRY Calculating specific heat capacity A chemist carefully measures the amount of heat…

A: Given: The mass of the substance = 577.0 g The initial temperature of the substance = 1.7 oC The…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 281.0 mg sample…

A:

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: The enthalpy of dissolution can be calculated from the following formula. ∆Hdissolution=Qreactionno…

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: A 531.6 g sample of sodium undergoes a temperature change of +86.75 °C while absorbing 857.4 joules…

A:

Q: O THERMOCHEMISTRY Understanding the definition of enthalpy Measurements show that the enthalpy of a…

A: Equation for change in enthalpy (ΔH) is given by,  ΔH = ΔE + PΔV      ------ ( 1 )   ΔE = Change in…

Q: 1/5 A chemist carefully measures the amount of heat needed to raise the temperature of a 1.72 kg…

A: Given : mass = 1.72 kg

Q: A 69.5 g piece of iron at 525°C is put into 627 grams of water at 15.0°C. What is the final…

A: Given  Mass of iron = 69.5 g Mass of water = 627 g Initial temperature of iron = 525°C Initial…

Q: Sulfur, S8, burns in air to produce sulfur dioxide. The reaction evolves 9.31KJ of heat per gram of…

A: sulfur burns in air to produce sulfur dioxide. the reaction evovles 9.31 KJ of heat per gram of…

Q: In the laboratory a student finds that it takes 200 Joules to increase the temperature of 15.0 grams…

A: • The values provided in the question are:-    i) Mass of magnesium, m = 15.0 g  ii) Initial…

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: temperature

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Q: A piece of copper metal is initially at 100.0°C. It is dropped into a coffee cup calorimeter…

A: Given data,

Q: Calculate the energy required to heat 486.0 mg of silver from -9.6 °C to -3.7 °C. Assume the…

A: Q = m . s . ∆T Where, Q = heat absorbed;  m = mass of metal, s = specific heat of metal and ∆T =…

Q: In the laboratory a student finds that it takes 79.6 Joules to increase the temperature of 14.8…

A: The specific heat capacity of copper (C) can be calculated using equation (1). In this equation, m…

Q: A system conducts 255 cal of heat to the surroundings whiledelivering 428 cal of work. What is the…

A: Internal energy is the energy present within the system which rises up when molecular motion takes…

Q: A 56.43 g sample of iron (with a heat capacity of 0.450 J/g·°C) is heated to 100.0 °C. It is then…

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Q: A 39 g aluminum spoon (specific heat 0.904 J/g-°C) at 25°C is placed in 178 mL (177 g) of coffee at…

A: A definite quantity of heat is used up in raising temperature of substances. For substance that…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 289.0mg sample…

A: given: mass = 289 mg = 0.289 g T2 = 40oC T1 = 22.1°C  Q = 8.75 J molar mass of C4H8O2 = 88.11 g/mol…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.38 kg sample…

A: Answer: Heat capacity can be calculated by below shown formula: Q=nC∆TQn∆T=CC=Qn∆There:Q=heat…

Q: Suppose it took 108 joules of energy to raise a bar of gold from 25.0°C to 29.7°C. Given that the…

A: Q = 108 J  Tf = 29.7°C  Ti = 25.0 °C  m = ?

Q: All of the heat from the combustion of 39.10 mL of C,H, is transferred to 5.175 L of water at…

A: Given values: Volume of C6H6 is 39.10 mL Volume of water is 5.175 L. Initial temperature is 26.9°C.…

Q: A 55.0g sample of metal z requires 675j of energy to heat it from 25.0 to 118.0 Celsius? Calculate…

A:

Q: A 531.1 g sample of ammonia releases 777.1 joules of heat. The specific heat capacity of ammonia is…

A: Here we are required to find the change in the temperature when certain mass of ammonia releases…

Q: A sheet of gold weighing 9.8 g and at a temperature of 17.8°C is placed flat on a sheet of iron…

A: Given information: Mass of gold = 9.8 g Temperature for gold = 17.8∘C mass of iron = 20.3 g…

Q: If a 42.0g piece of steel at 75.0 degrees C is placed in 150.0 g of water at 25.5 degrees C, what is…

A:

Q: A hot lump of 42.4g of copper at an initial temperature of 64.7 °C is placed in 50.0 mL H2O…

A: The given data to you is - mass of Cu = 42.4 g Volume of water = 50 mL Temp of Cu = 64.7 °C  Temp of…

Q: What is the final temperature (in degrees Celsius) when 1940 J of energy are put into a 250…

A: We have to predict the final temperature.

Q: A 8.45 gram metal ball at 44.7°C is heated with 730 Joules. If the heat capacity of the metal is…

A: Given data is as follows: The mass of metal ball = 8.45 g The initial temperature of the metal ball…

Q: 4. A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

A: Please find your solution below :

Q: You are performing an experiment where you place 9.2113 g of Al metal at 205.02 C into a coffee cup…

A: Given data,Mass of water=98.4gInitial temperature of water=25.05oCFinal…

Q: An unknown hot metal at 107.03°C with a mass of 48.67g was mixed with 37.99g of water at an initial…

A: Given data contains, Mass of unknown metal , mm= 48.67 gInitial temperature , Tim= 107.03°CMass of…

Q: 75: Octane (C8H18) is a component in gasoline that burns according to the equations: C3H12(0) +…

A:

Q: The table shows the specific heat capacity of four substances. Heat Capacity Substance J/g°C…

A: Given specific heat are Substance Specific heat (J/g oC Aluminium  0.900 Glass 0.500 Carbon…

Q: Iron bar of mass 869 g cools from 94 degree C to 5 degree C. Calculate the heat released by the…

A: Given : Mass of iron = 869 g Initial temperature of iron = 94 oC And final temperature of iron = 5…

Q: A piece of metal with a mass of 97.6 grams was heated in a steam jacket to 94°C and the plunged into…

A:

Q: A lead fishing weight has a mass of 57 g. The weight absorbs 146 cal of heat. If its initial…

A: The specific heat of a compound suggests the amount of heat needed for per unit mass of the compound…

Q: An chemistry professor stops in every day and orders 250 ml of Sumatran coffee at precisely 95°C. He…

A: Given : Volume of coffee = 250 mL Initial temperature of coffee = 95 °C Initial temperature of milk…

Q: A sample of water of unknown mass undergoes a temperature change from 68.09oC to 72.61oC with a…

A: Given: Energy added = 205.8 J Initial temperature of water = 68.09 oC And final temperature of water…