In a calorimeter, a 75.0 g piece of metal at 98.6 *C is submerged in 100.0 g of water, that is initially at 21.8 *C. When the metal and water reach thermal equilibrium, the temperature is 26.2 *C. What was the heat capacity of the metal (3 sig figs)?

Q: If 1101 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g•°C)…

A: HEAT ENERGY: When the atoms present in a compound which can be a solid, liquid or a gaseous molecule…

Q: Temperature of 150. g of iron increased from 27.1 °C to 33.1 °C after absorbing 406 J of heat, what…

A: Given data,Mass of iron=150gInitial temperature=27.1oCFinal temperature=33.1oCHeat (Q)=406J

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: 2. Thirty-two joules of heat is added to a 255 gram iron bar How much will the iron bar's…

A:

Q: If a system absorbs 155 kJ of heat from its surroundings and the system does 53 kJ of work on its…

A:

Q: If a system has 48 J of work done on it and absorbs 22 J of heat, what is the value of AE for this…

A: Given: Work done on the system (w) = +48 J Amount of heat absorbed = +22 J

Q: A hot lump of 32.7 g of iron at an initial temperature of 81.3 °C is placed in 50.0 mL H,O initially…

A: Given ,  Mass of iron ( m1 ) = 32.7 g Initial temperature ( T1 ) = 81.3°C Specific heat of iron ( s1…

Q: How much heat is required to raise the temperature of a sample of copper from 0°C to 55° C, if the…

A: Given that : Mass (m) = 67 g Change in temperature ∆T = 55°C - 0°C = 55°C Specific heat of copper…

Q: Copper is a common metal with many important uses, including power generation and building…

A: Hello. Since multiple questions have been posted, the first question shall only be done in this…

Q: 2. What is the specific heat of a metal whose mass is 94.5 g and the temperature changes from 48 °C…

A: Consider the given information is as follows; Mass of the metal = 94.5 g Initial temperature T1…

Q: A system receives 225 J of heat from the surroundings and delivers 428 J of work. What is the change…

A: The first law of thermodynamics states that "energy can neither be created nor destroyed , but can…

Q: Q1:- Find the external work done by the system in kcal, when 10 kcal of heat is supplied to the…

A: ✓The First Law of Thermodynamics states that heat is a form of energy, and thermodynamic processes…

Q: The change in the internal energy of a system (ΔE) is -74 J. What is the work done when the system…

A: We have to calculate the work done.

Q: A 40 g sample of water is raised 10oC, with water having a specific heat of 4.184 J/g*C, what amount…

A: Specific heat capacity: The quantity of heat energy required to raise the temperature of one gram of…

Q: (d) Consider the complete combustion of Benzene (CeH6). If the density of benzene is 0.88 g/mL, what…

A: Given reaction is : 2C6H6 (l) + 15 O2 (g) ----------> 12CO2 (g) + 6H2O (g) , ΔH0rxn = -6278 KJ…

Q: 4. What is the specific heat of iron, if it requires 1050 J of heat energy to raise the temperature…

A: Heat required = 1050 J Initial temperature = 10.0°C Final temperature= 20.4°C Change in temperature…

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g•°C) that…

A: Given,  specific heat = 0.450 J/g.oC heat = 801 J , mass = ? , ∆T= 120°C - 22.5°C = 97.5°C

Q: 12. An aluminum kettle weighs 1.05 kg.(a) What is the heat capacity of the kettle?(b) How much heat…

A: (a) Given that mass of aluminium kettle =1.05 kg = 1050 g Now, heat capacity is explained as the…

Q: A hot lump of 29.8 g of copper at an initial temperature of 50.7 °C is placed in 50.0 mL H2O…

A: Given data is: Mass of copper = 29.8 g Initial temperature = 50.7°C Mass of water = 50.0 ml Density…

Q: When 514 J of heat is added to a sample of liquid water, the temperature rises from 27.8°C to…

A: Specific heat capacity is the amount of heat needed to raise the temperature(usually 1°C) of given…

Q: 3. A gas does 135 J of work while expanding, and at the same time, it absorbs 156 J of heat. What is…

A: Given: (3) work done by gas=135J Absorbed heat=156J To find: change in internal energy of the…

Q: 3. 842 J of works was done for a gas to be compressed. At the same time, it releases 451 J of heat.…

A: Given -> Work = +842 J ( work done on the system) Q = -451 J ( heat released)

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.45 J/g･°C) that…

A: Q = heat =801 J ΔT = change in temperature = (120 - 22.5) = 97.5 oC c = Specific heat = 0.45 J/goC…

Q: If 200g of water at 20°C absorb41840 J of energy, what will the final temperature be? The specific…

A: Given: Mass of water=200 g Temperature change, ∆T=(T-20.0)°C Heat absorbed, q =41840 J Specific…

Q: 1. How many KJ are used by a 154lb adult while sleeping for one hour? 2. In the specific heat…

A:

Q: What is the mass of an iron piece that cools from 57.8 °C to 26.4°C while releasing 7160.2 J of…

A: The working formula for this problem would be, q = m x Cp x dTwhere q is the total heat, m is the…

Q: If a system does 73.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change…

A:

Q: 6.10)A system releases 255 cal of heat to the surroundings and delivers 428 cal of work. What is the…

A:

Q: An iron can weighing 50 grams absorbs 256.0 J of heat and warms by 11.4C. What is the specific heat…

A: The amount of heat required to raise the temperature of a substance by one degree Celsius is called…

Q: ΔE of a system

A:

Q: After absorbing 1.850 kJ of energy as heat, the temperature of a 0.500 kg block of copper is 37 oC.…

A: Specific heat capacity is the amount of heat required to raised the temperature by 1 oC when heating…

Q: what is the mass in grams of iron

A:

Q: 2. Consider the following reaction in a container with a movable piston: A + B, (), The AE for this…

A:

Q: You add 7000 J of heat to a piece of iron and you observe a temperature rise of 24.0 ∘C. What is…

A: Given that : Amount of heat added to the iron (q) = 7000 J Temperature rise ∆T = 24°C The specific…

Q: If you wish to heat 4.0 L of water on the wood stove from 10.0 °C to 90.0 °C, how much heat must…

A: To solve this problem, we have to use formula which is- Q=m.c.dT Where m is the mass c= specific…

Q: A hot lump of 37.0 g of copper at an initial temperature of 74.3 °C is placed in 50.0 mL H2O…

A: Given;

Q: If 901 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C) that…

A: The amount of heat available is = 901 J The specific heat of iron is = 0.450 J/g.oC The rise in…

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: If 901 J of heat is available, what is the mass in grams of iron (specific heat = 0.45 J/g･°C) that…

A: Given data: Heat = 901 J Specific heat = 0.45 J/g.℃ Initial temperature = 22.5 ℃ Final temperature =…

Q: If a system has 20.5 J of heat added to it, and the system does 75.5 J of work on its surroundings,…

A: Given:  Heat consumed by the system is 20.5 J, and the work done by the system on the surrounding is…

Q: specific heat

A:

Q: 4. A block of aluminum weighing 140 g is cooled from 98.4°C to 62.2°C with the release of 1080…

A: Can find this answer in the image attached below.

Q: The ΔE of a system that absorbs 184 J of heat from the surroundings and has 42 J of work done on the…

A:

Q: 1.What is the specific heat of a metal whose mass is 94.5 g if the temperature changes from 250° to…

A: The heat required to raise the temperature of a sample of mass 'm' having specific heat 'c' from T1…

Q: 2. A solid substance has a mass of 250 grams. It is cooled by 25.00°C and loses 4.937 kJ of heat.…

A:

Q: A piece of copper alloy with a mass of 85.0g is heated from 30.0°C to 45.0°C. In the process, it…

A: To solve this problem we will use the formula   Q = m • C • ∆T   Where,  Q = heat absorbed  m = mass…

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g °C) that…

A: For the first question simply it follows the  q= ms∆t equation.   For the second one it is the case…

Q: If a system does 80.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change…

A:

Q: The internal energy of a system increased by 982 J when it absorbed 492 J of heat. Was work done by…

A: When a system absorbs energy it means work done on the system, We know that, ∆U=982 Jq=492 J…

Q: If a system does 62.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change…

A: Ca (s)  + 1/2 O2  (g)  -------> CaO (s)    ΔH°=-635kJ/mol to get desired equation we have to…