A new substance evolves (-1.64) kJ of heat when 17.15 g it cools from 106.2oC to 23.8oC. What is the specific heat (in J/(g K)) of this substance?

Q: What is the specific heat of a 65.51 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Weight of unknown metal= 65.5 1g Temperature (∆T)= 45.2°C Absorbed heat=1870 J

Q: What is the specific heat of a 88.51 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: 10.0g of ice at 0.00*C is mixed with 25.0 g of water at 35.00*C in a calorimeter. What is the final…

A: Here we need to calculate Tf means final temperature. msample= 10.0g  c is the specific heat of…

Q: What is the final temperature when 63.4 g of water at 84.2 ° C is mixed with 38.5 g of water at…

A: Given : Mass of hot water = 63.4 g Mass of cold water = 38.5 g Temperature of hot water = 84.2 oC…

Q: coffee-cup calorimeter contains 10.0 g of water at 59.00°C. If 3.00 g gold at 15.20°C is placed in…

A: The question is based on the concept of chemical thermodynamics. It involves calorimetry experiment.…

Q: 10. You need a water bath at 37.0 °C. The temperature of the cold tap water is 22.0 °C and the…

A: When water at two different temperatures is mixed, the temperature of cold tap water increases and…

Q: A (5.80x10^1) g sample of water (C = 4.18 J / g ºC) initially is at 30.2ºC. What is the final…

A:

Q: stion 7 of 24 <. The specific heat of a certain type of metal is 0.128 J/(g.C). What is the final…

A:

Q: A 10-g solid was heated in a test tube to 100°C in boiling water and added to the coffee-cup…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: In the following experiment, a coffee-cup calorimeter containing 100. mL of H2O is used. The initial…

A:

Q: A 70.0-g piece of copper metal at 54.0 °C is placed in 50.0 g ofwater at 26.0 °C. If the final…

A: By law of conservation of energy : Heat released by copper = heat absorbed by water m1s1∆T1 =…

Q: Phosphorus trichloride, PCI3, is a compound used in the manufacture of pesticides and gasoline…

A: Hii there, since there are multiple questions posted. We are answering first question. If you need…

Q: When 129.0 g of 0.200 M NaCl(aq) at 22.0 °C is added to 212.0 g of 0.100 M AgNO3(aq) at 22.0 °C in a…

A: Answer is explained below.  Given that, mass of NaCl = 129.0 g and mass of AgNO3 = 212.0 g.  Due to…

Q: What is the final temperature when 77.4 g of water at 72.7°C is mixed with 28.1 g of water at…

A: Given: Mass of water at 72.7°C= 77.4 g Mass of water at 32.7°C= 28.1 g

Q: Suppose you heat a metal object with a mass of 30.0 g to 95.5 °C and transfer it to a calorimeter…

A: Given information is as follows: The mass of the metal = 30 g The initial temperature of the metal =…

Q: Ammonia burns in the presence of a copper catalyst to form nitrogen gas. 4NH3 (g) + 302(g) → 2N2 (g)…

A:

Q: You have a piece of iron, the specific heat of iron, the specific heat of iron is 0.449 J/g °C and…

A: Specific heat :-  The amount of heat required to rise the temperature of one gram of a substance…

Q: What is the specific heat of a 76.01 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Consider the given information is as follows; Mass of unknown metal = 76.01 g Temperature change…

Q: 5. If 769J of heat is absorbed when 50g of iodine is heated from 70°C to 95°C, then what is the…

A:

Q: I. Answer the following. 1. In what direction does heat flow between two objects? 2. How do…

A: Heat of reaction or enthalpy change ∆Hrxn∘ is defined as heat released and absorbed during a…

Q: 3.24 g of a piece of a metal is initially at 83.0°C. It is dropped into a coffee cup calorimeter…

A: Recall the following expression according to Law of calorimetry       Q=m×C×∆t Mass of metal=3.24…

Q: . A 10-g solid was heated in a test tube to 100℃ in boiling water and added to the coffee-cup…

A:

Q: If the specific heat of a material is 0.416 J/(g°C) and sample absorbs 50 J when it is heated from…

A: Specific heat is defined as the amount of heat required per unit mass of a substance to raise the…

Q: What is the specific heat capacity (J/g• °C) of a metal object whose temperature increases from…

A: Specific heat capacity is the amount of heat absorbed by 1 gram of a substance to raise its…

Q: The specific heat capacity of a substance is defined as the amount of energy needed to increase the…

A: Hey, since there are multiple questions posted, we will answer first question. Thus, first question…

Q: 9. If a sample of chloroform is initially at 25 °C, what is its final temperature if 150.0 g of…

A:

Q: A 26.9 g sample of ethylene glycol, a car radiator coolant, loses 671 J of heat. What was the…

A: Given :- mass of ethylene glycol = 26.9 g  Heat lost = 671 J  Final temperature = 32.5°C  Specific…

Q: A gas expands and does work on the surroundings equal to 0.21 L atm. At the same time, it absorbs…

A: The question is based on the concept of chemical thermodynamics. We have  to calculate internal…

Q: A 123 g piece of metal is heated to 292 ∘C and dropped into 86.5 g of water at 26.0 ∘C If the final…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: What is the specific heat of 20.0 g piece of an unknown substance that changes from 25°C to 75°C…

A: Heat required to raise the temperature of the substance through 1°C is known as specific heat of the…

Q: A chemical reaction is carried out in a 30.0 g calorimeter. The calorimeter has a specific heat of…

A: Here the heat released by the reaction is absorbed by both the calorimeter and water inside the…

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: What is the final temperature if a 43.6 g piece of iron at 356°C is added to 147 g of water at 25°C?…

A: Interpretation- To determine the final temperature if  43.6 g piece of iron at 356°C is added to 147…

Q: What is the heat of fusion for 89 grams when the heat capacity is 54 J/g?

A: Given : Mass of substance = 89 g And heat capacity of substance = 54 J/g

Q: 107 g of Cu at 108.9°C was added to 258.7 g of H2O at 17.4°C.  If the specific heat of copper is…

A: Copper Mass m = 107 g C = Specific heat of copper = 0.389 J/g.°C Initial temperature Ti = 108.9°C…

Q: The heat of combustion of octane, C8H18 , can be measured in a way similar to the method you used to…

A: Heat capacity is given by,

Q: 2) When 100 g of unknown metal at 100 °C added to a calorimeter containing 50.00 g of water the…

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

Q: 1. Given the specific heat (J/g∙°C) of the following metals: Al = 0.900 Au=0.129 Cu=0.385 Fe=0.444…

A: To solve this problem we will use the formula     Q = m • c •∆T  Where , Q = heat released or…

Q: 3. 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:

Q: 105 mL of H2 O is initially at room temperature (22.0° C). A chilled steel rod at 2.0° C is placed…

A: The heat lost by water is given by  Q = mw Cw ΔTw  where mw = mass of water = density of water X…

Q: The specific heat of a certain type of metal is 0.128 J/(g⋅∘C).0.128 J/(g⋅∘C). What is the final…

A: The specific heat of the metal states that 0.128 Joule of heat is needed for an increase in…

Q: 3. A 74.5 g piece of metal at 86.0°C is placed in 133 g of water at 21.0°C contained in a…

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

Q: Part A In the following experiment, a coffee-cup calorimeter containing 100 mL of H20 is used. The…

A: Answer:- This question is answered by suing the simple concept of calorimetry which states that heat…

Q: Vanillin is a natural constituent of vanilla that is also manufactured for use in artificial vanilla…

A: Given the mass of vanillin taken for combustion = 1.013 g Since the temperature of the calorimeter…

Q: A solution is made by mixing 232.0 mL of ethanol initially at 12.7 ∘C with 232.0 mL of water…

A: According to Law of calorimetry,amount of heat released by the substance having higher temperature…

Q: 5. Phosphorus trichloride, PC, is a compound used in the manufacture of pesticides and gasoline…

A: As per student demand, solution for question number 5 follow as  5) given that : Mass of PCl3(m) =…

Q: 2. Find the heat transferred when 6105 g of ethylene glycol (C = 2.42 J/g °C) when a car radiator…

A: Note - Since you have asked multiple questions, we will solve first question for you. If you want…

Q: 2. When 15 g of oil at25.0°C is placed in a wok, 2.18 kJ of he it to a temperature of 101°C. What is…

A: The required formula is  Q = m S ∆T  Where  Q = amount of heat = 2.18 KJ  = 2180 J m = mass of…