12.0 °C. 5. A sheet of gold weighing 10.0 g and at a temperature of 18.0 °C is placed flat on a sheet of iron weighing 20.0 g and at a temperature of 55.6°C. what is the final temperature of the combined metals? Assume that no heat is lost to the surroundings. The specific heat of Au and Fe are 0.129 and 0.444 J/g - °C, respectively. Hint: The heat gained by the gold must be equal to the heat lost by the iron.

Q: A 75.0 g piece of Ag metal is heated to 80.0 °C and dropped into 50.0 g of water at 23.2 °C. The…

A:

Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of…

A: Given Temperature range = -14.1°c to 29.5°c Mass = 17.3g Standard values  Specific heat of ice =…

Q: (References] In a coffee-cup calorimeter, 130.0 mL of 1.2 M NaOH and 130.0 mL of 1.2 M HCl are…

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

Q: A piece of metal with a mass of 125 g was heated in a flame and then dropped into a container…

A: mass of metal = 125g  mass of water = 500g  Initial Temperature of water = 26.5oC Final Temperature…

Q: calorimeter with the heat capacity of 36.50 kJ/C. During the combustion the temperature of the water…

A: Heat capacity(C) = 36.5 kJ/C □T = 3.87 °C Heat (q) = C.□T  = 36.5  × 3.87   = 141.26 KJ

Q: Two 66-g ice cubes at 0 °C are dropped into 5.00 x 102 mL of tea to make iced tea. The tea was…

A: The mass of tea (m) is calculated as follows:

Q: A common laboratory reaction is the neutralization of an acid with a base. When 40.3 mL of 0.500 M…

A: The volume of HCl = 40.3 mL OR 0.0403 L The molarity of HCl = 0.5 M The volume of NaOH = 75 mL or…

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…

A:

Q: In a coffee-cup calorimeter, 120.0 mL of 1.4 M NaOH and 120.0 mL of 1.4 M HCl are mixed. Both…

A: coffee-cup calorimeter, 120.0 mL of 1.4 M NaOH and 120.0 mL of 1.4 M HCl are mixed. Therefore, Total…

Q: If 40.0 g of hot water at 80.0oC is added to 60.0 g of cold water at 20.0oC, what is the final…

A: The final temperature is 44 oC

Q: 5.2 g of NaOH is added to a coffee cup calorimeter containing 861 mL of 1.10 M acid, where the acid…

A: Given molarity of acid = 1.10 M  Volume = 861 mL  Density of the solution = Density of water = 1.0…

Q: metal radiator is made from 25.9 kg of iron. The specific heat of iron is 0.449 J/g °C. How much…

A:

Q: The ΔH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When…

A: To solve this problem, first calculate the q for reaction by using formula q = n∆H. Using q value…

Q: A student carefully places a piece of metal at a temperature of2.0 °C into 50.0 g of water at a…

A: Given that   Initial temperature of metal = 2.0 °C   Initial temperature of water = 65.5 °C   Final…

Q: To make the perfect cup (approximately 252.6 mL) of hot chocolate, you are searching for a…

A: The mass of the 252.6 mL of chocolate, having a density of 1.06 g/mL, is;…

Q: The ΔH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When…

A: the amount of heat required to raise the temperature by 1 degree of mass 1 gm is known as specific…

Q: When 50.0 g of 0.200 M NaCl(aq) at 24.1 °C is added to 100.0 g of 0.100 M AgNO3(aq) at 24.1 °C in a…

A: Heat is given by: Q = m×c×∆T  m = mass of the soluton  c = specific heat  ∆T = Temperature change

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: A piece of metal weighing 59.047 g was heated to 100.0 °C and then put it into 100.0 mL of water…

A: Heat energy = mc∆T M = mass of substance C = specific heat of substance ∆T = change in temperature

Q: The ΔH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When…

A:

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: The AH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When…

A: Given that : ∆Hsolution=44.4 kJ/molThe mass of NaOH=10.9 gThe mass of water=253 gInitial…

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: In a calorimeter, 150 mL of 0.5 mol/L barium chloride is mixed with 150 mL of 0.5 mol/L sodium…

A: The solution is given below -

Q: Compounds of boron and hydrogen are remarkable, not only for their unusual bonding, but also for…

A: Given, mass of diborane = 448.7 kg × (1000 g / 1 kg )  = 448700 g we know, molar mass of diborane…

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

A:

Q: In a coffee-cup calorimeter, 130.0 mL of 1.0 M  NaOH and 130.0 mL of 1.0 M  HCI are mixed. Both…

A: Q = m . s . (T2 - T1) DeltaH = Q/Number of mols of HCl or NaOH

Q: When 10 g of citric acid was burned in a calorimeter containing 1500 g of water, a temperature rise…

A: Step 1: We know that,

Q: The temperature inside a sauna is 85.0°C. If 235.0g of solft drink straight from refrigerator…

A: 1- First we need to determine the change in temperature ( ∆T ) and mass in kg unit :  mass = 235.0g…

Q: In a coffee-cup calorimeter, 110.0 mL of 1.3 M and 110.0 mL of 1.3 M are mixed. Both solutions were…

A:

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: In a coffee-cup calorimeter, 110.0 mL of 1.4 M NaOH and 110.0 mL of 1.4 M HCI are mixed. Both…

A: The total volume of the solution is = 110.0 + 110.0 = 220.0 mL The increase in the temperature of…

Q: 30.0 mL of water at 10.0 C is mixed with 50.0ml of water at 60.0C, what is the final temperature of…

A: Temperature (T1)= 10°C Volume(v1) = 30ml Density of water = 1 g/ml So, mass of water = 30g* (m1)…

Q: A certain two-stepP process involves transfer of heat and work between the system and the…

A: From first law of thermodynamics, we have : ∆E = q + w  where ,∆E = change in internal energy.   If…

Q: When 37.00 grams of fictional compound X is added to water to make 526.0 grams of solution, the…

A: Temperature flow from higher temperature to the low temperature. q= mc∆T Heat capacity of water=…

Q: 4. A 1.00-g sample of octane (C3H18) was burned in a bomb calorimeter with 1300 g of water (H20).…

A:

Q: When 630000 J of heat is added to a statue in a kiln oven, the statue's temperature rises from 16…

A: Specific heat is physical property of matter. It is an intensive property of a matter. The specific…

Q: You are performing an important biological experiment which requires that you set up a water bath at…

A: Solution-we will use the fact of hot water transfer heat to the cold water…

Q: The burning of 28g of vegetable cause the temperature of 58.18 g of water in a soda can calorimeter…

A:

Q: THERMODYNAMICS: A 1.09 g sample of acetic acid (HC2H302) was burned in excess oxygen in a bomb…

A:

Q: A 5.1-gram piece of gold jewelry is removed from water at 100.0°C and placed in a coffee-cup…

A:

Q: A solid silver coin (specific heat = 235 J/kg°C) is heated to a temperature of 58.0°C and added to…

A: Given data Silver coin Specific heat = 235 J/kg °CInitial Temperature = 58 °CFinal Temperature = 27…

Q: In a coffee-cup calorimeter, 120.0 mL of 1.4 M  NaOH  and 120.0 mL of 1.4 M HCL  are mixed. Both…

A: Given : Concentration of NaOH = 1.4 M Concentration of HCl = 1.4 M Volume of NaOH solution = 120.0…

Q: When a 6.50 g sample of solid NaOH dissolves in 100.0g of water in a coffee-cup calorimeter, the…

A: Given information: Mass of sample = 6.50 g Mass of water = 100.0 g Initial temperature = 21.6 °C…

Q: A nickel at 30 °C is dropped into a glass of 15.0 g soda at 3.0 °C, if the heat capacity of the…

A: Given data,Initial temperature of Ni=30oCMass of glass=15.0gInitial temperature of glass=3.0oCHeat…

Q: When a reaction that was known to release 17.55 kJ of heat took place in a calorimeter and…

A:

Q: 4. A 1.00-g sample of octane (C3H18) was burned in a bomb calorimeter with 1300 g of water (H20).…

A:

Q: A 39.7 g block of an unknown metal at 97.2°C is placed into 500.0 g of water initially at 17.0°C and…

A: Given, For metal Mass of metal block (mmetal) = 39.7 g Initial temperature of metal (Ti) = 97.2°C…

Q: What is the specific heat of 85,885.86 mL of a substance, that has a recorded temperature of 429.2…

A: Given: The volume and density of the unknown substance, hence, mass of unknown can be solved as -…