A student mixes 92.9 g of water at 89.3°C with 35.1 g of water at 23.9°C in an insulated flask. What is the final temperature of the combined water?

Q: 9. If 2,035 cal of heat is added to a 500.0 g sample of water at 35.0°C, what is the final…

A: Given:mass of water= 500ginitial temperature, t1= 35∘Cheat supplied to water, H=2035calto find,…

Q: If a system has 42.0 J of heat added to it, and the system does 25.0 J of work on its surroundings,…

A: According to the first law of thermodynamics, the provided heat is used in increasing the the…

Q: In the laboratory a student finds that it takes 75.4 Joules to increase the temperature of 13.3…

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

Q: Calculate the heat that must be supplied to a 500.0 g stainless steel vessel containing 450.0 g of…

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

Q: 4. When 155 mL of water at 20.0°C is mixed with 75.0 mL of water at 80.0°C, what is the final…

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Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: Mass of copper, MCu = 60.04 g Mass of water, Mw = 79.22 g Initial temperature of Copper, TCu = 97.70…

Q: A 35.0-g sample of water at 25°C is mixed with 45.0 g of water at 88°C. Calculate the final…

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Q: Consider the following thermochemical equation for the combustion of acetone, C3H6OC3H6O, the main…

A: The given reaction, C3H6O(l) + 4O2(g)→3CO2(g) + 3H2O(g) Volume of acetone = 183 mL Density of…

Q: A 124.5 g sample of an unknown metal absorbs 1276.25 J of heat, upon which the temperature of the…

A: Given: The mass of the metal sample = 124.5 g The amount of heat absorbed by the metal = 1276.25 J…

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: 4. A 5.00 gram sample of an unknown metal was placed in a beaker of boiling water (99.58 °C). After…

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Q: When 155 mL of water at 26°C is mixed with 75 mL of wa-ter at 85°C, what is the final…

A: The expression for the amount of heat transferred in the system is as follows,…

Q: How much heat will be absorbed by a 43.1g piece of aluminum as it changes temperatures from 23…

A: The heat capacity of a chemical substance is the quantity of heat required to increase temperature…

Q: An engineering student wants to study the heat transfer between a 50 g of a heated block of iron…

A:

Q: Calculate the specific heat of a 300.0g sample of iron. If it took 1000. Cal to raise the…

A: Mass of sample = 300 g Heat needed = 1000 cal ∆T = 123 oC

Q: Consider the following thermochemical equation for the combustion of acetone, C3H6O, the main…

A: The combustion reaction given is  C3H6O (l) + 4 O2 (g) → 3 CO2 (g) + 3 H2O (g)…

Q: Volume of Water(mL)=100mL Initial temp of water (C)= 21 C degrees Mass of metal(g)=2.9grams Final…

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Q: A 12.3-g sample of granite initially at 76.0 ∘C is immersed into 21.0 g of water initially at 21.0…

A: Heat gained or absorbed by a substance = mass of the substance x specific heat capacity of substance…

Q: A slab of iron ( 465g) is removed from an oven and plunged into 375g water in an insulated…

A: Given, Mass of iron, mi = 465gMass of water, mw = 375g(Tw)i = 26oC , (Tw)f = 87oC Cfe = 0.449 J/g oC…

Q: 5. To determine whether a shiny silver-colored rock is actually silver, a chemistry student decides…

A: GIVEN:-

Q: 1.A 125 - g sample of cold water and a 283-a sample of hot water are mixed in an insulated thermos…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A student mixes 76.9 g of water at 71.3°C with 44.9 g of water at 23.1°C in an insulated flask. What…

A: From principle of method of mixtures we can use heat lost by the hot body is  equal to the heat…

Q: A 35.0-g sample of water at 25°C is mixed with 45.0 g of water at 88°C. Calculate the final…

A: Calculate for the final temperature of the mixture see step-2 for further Calculation and concept…

Q: How much heat is required to raise the temperature of 55 grams of water from 16 degrees Celsius to…

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

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

A: Given data,

Q: A 15.7 g aluminum block is warmed to 53.2 deg C and plunged into an insulated beaker containing 32.5…

A: Given that,Mass of Aluminium is 15.7 gMass of water is 32.5 gInitial temperature of Aluminium is…

Q: A sample of gold weighing 7.7 grams is cooled then placed in a calorimeter containing 27.01 grams of…

A:

Q: When 126.0 mL of water at 26.0 ° C is mixed with 66.0 mL of water at 85.0 ° C, what is the final…

A: Given are two samples of water.  The mass of water in two samples can be calculated as

Q: 4. An unknown substance requires 567 J of heat to increase its temperature from 0 to 15 °C. The…

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Q: A 2.57 g sample of a substance suspected of being pure gold is warmed to 72.9 °C and submerged into…

A:

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: 3. A sample of aluminum with a mass of 53.4 g is initially at 156 ° C. What is the temperature of…

A: "Since you have asked multiple question, I will solve the first question for you. If you want any…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 677.0 g sample…

A: When we heat a substance the temperature of the substance increases. The required amount of heat to…

Q: When 156.0 mL of water at 26.0°C is mixed with 86.0 mL of water at 85.0°C, what is the final…

A: Convert the given mL of water into mass.Given, density of water = 1.00 g/mL

Q: A 20.94 g sample of a metal is heated to 99.4°C in a hot water bath until thermal equilibrium is…

A: The heat lost by the metal is determined as follows,

Q: When 375 mL of water (d = 1.00g/mL) at 32°C are mixed with 125 mL of water at 92°C, what is the…

A: Mass of 375 mL water and 125 mL water is calculated as follows,

Q: Exactly 385 J will raise the temperature of 76 g of a metal from 15.7oC to 50.9oC. What is the…

A: The given data: The mass of metal is 76 g The temperature of metal raises from 15.70C to 50.90C…

Q: A block of aluminum weighing 140 g is cooled from 98.4°C to 62.2°C with the release of 1080 joules…

A: Recall the following relation according to law of calorimetry amount of heat…

Q: Suppose that 23 g of each of the following substances is initially at 27.0 ∘C. What is the final…

A: The final temperature for each case can be calculated by using the following expression,

Q: The air in an inflated balloon (defined as the system) warms over a toaster and absorbs 115 J of…

A: According to first law of thermodynamics, energy can neither be created nor destroyed, it can only…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 506.0 g sample…

A: Given  Mass (m)= 506.0 g  Initial temperature (Ti) = -2.4 °C Final temperature (Tf) = 21.6 °C Heat…

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: Aluminum and iron samples, each weighing 2 kg, absorb 11.5 kJ of heat. Which material would have the…

A: The amount of heat required to increase the 1oC temperature of 1 g metal is known as the specific…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 833.0 mg sample…

A:

Q: A sample of lead pellets with a mass of 26.47 g that has an initial temperature of 89.98 degrees C…

A:

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 chemist carefully measures the amount of heat needed to raise the temperature of a 0.57 kg sample…

A:

Q: Combustion of hexane, c6h12, to carbon dioxide gas and water, releases 3923.9 KJ of heat. What is…

A:

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…