A silver teaspoon at temperature 7⁰C is placed in a cup of hot coffee at temperature 93⁰C.  If the teaspoon has a mass of 32 g and the hot coffee has 90g of mass, determine the final  temperature of the silver teaspoon? Ccoffee = 1 cal/g.K Csilver = 0.0558 cal/g.K

Q: A hot (A)=218 g aluminum metal sample at 100°C was placed in an isolated calorimeter that contains…

A: We have an aluminum metal sample of mass m1=218 g at temperature T1=100oC with specific heat…

Q: Lead pellets, each of mass 1.90 g, are heated to 200°C. How many pellets must be added to 492 g of…

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Q: How many grams of coffee must evaporate from 500 g of coffee in a 140g glass cup to cool the coffee…

A: Given, mc=500gmg=140gT1=95.00CT2=41.00CLv=2340 kJ/kgCw=4186 J/kg0CCg=840 J/kg0C

Q: Gatun Lake contains roughly 5.20 km3of water. How much energy is required to raise the temperature…

A: The mass of the water is given by m=ρV Here, ρis the density of water and V is the volume of water.…

Q: Two 50g ice cubes are dropped into 200g of water in a thermally insulated container. The water is…

A: total mass of ice = 50g + 50 g = 100 g mass of water = 200 g initial temperature of water = 25oC…

Q: A sample of neon gas (Ne, molar mass M = 20.2 g/mol) at a temperature of 13.0 °C is put into a steel…

A: The expression from heat transfer,

Q: Lead pellets, each of mass 1.00 g, are heated to 200.°C. How many pellets must be added to 0.500 kg…

A: From heat transfer equation, the required number of pallets is,

Q: An insulated mug of coffee contains 413.45 cm3 of coffee at 78.98 °C. You drop 26.7 g of ice (0 °C)…

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Q: A 175 g lump of molten lead at its melting point (327 C) is placed into 55.0 g of water at 20.0°C.…

A: There is a typo, the specific heat of lead should be 0.130 J/g.oC. Given(s): Mass of water, m1=55.0…

Q: 30.0 g H2O at an unknown temperature is mixed with 27.0 g of water at 15.8°C in a coffee-cup…

A: When a substance is heated its temperature increases. This increase in temperature leads to an…

Q: Sun- Young places a 2.0 Kg block of aluminum that had been heated to 100°C in 1.5 Kg of ethyl…

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Q: Lead pellets, each of mass 1.60 g, are heated to 200°C. How many pellets must be added to 530 g of…

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Q: Chaeyoung wants to study the heat transfer between a 50 g of heated block of iron (cFe = 0.449 J/g…

A: To solve the given question, we will use the conservation of energy. The heat emitted by hot iron=…

Q: A container has 150.00 x 10-6 m3 of coffee at 85° C. To cool the coffee, you dropped two 11.0g ice…

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Q: 1. Explain. In which glass of water would most of the molecules be moving faster, in a glass at 80°C…

A: Since, kinetic energy of the molecules is directly proportional to the temperature of the system. As…

Q: A 0.521 g sample of steam at 106.6 °C is condensed into a container with 5.35 g of water at 17.0 °C.…

A: According to principle of calorimetry Heat given by hot body = heat taken by cold body

Q: 10. A 50 ml glass container is filled to the brim with methanol at 0.0oC. If the temperature is…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: A gas is cooled from 365 K to 285 K while its volume changes from 12.8 L to 9.9 L. The initial…

A: The given data are: T1=365 KT2=285 KV1=12.8 LV2=9.9 LP1=1.9 atm

Q: IET have 21 moles of gas held at a pressure of 78 atm and a temperature of 900 K, what is the volume…

A: Given: The number of mole of gas is 21. The pressure of the gas is 78 atm. The temperature of the…

Q: A constant volume thermometer is at an initial temperature of 25°C and a pressure of 105 kPa. The…

A: Given that---T1 = 25 CP1 = 105 kPaP2 = 165 kPaQuestion ❓T2 = ?

Q: The oven’s temperature is 400 °F, what is the temperature of the cooked french fries inside?…

A: Given values: Oven temperature,Toven=400 °F Freezer's temperature, Tfreezer=-20 °C

Q: A 275g piece of copper with a temperature of 12°C is placed into 625 g of ethyl alcohol with a…

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Q: The New River Gorge bridge in West Virginia is a 518-m-long steel arch. How much will its length…

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Q: A 65.4.g copper cylinder at the temperature of 99.5 0C is placed into an aluminum cup with cold…

A: Given Mass of Copper Cylinder = 65.4 gram Temperature of Copper Cylinder = 99.5°C Mass of aluminum…

Q: A 200g mass of aluminum at 80°C is dropped into 600g of water at 15°C. What is the final temperature…

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Q: 8. You are given a sample of metal (mass 2.9 kg) and asked to determine its specific heat. You…

A: Heat energy(Q) and  specific heat(s) are related by following formula Q = ms∆T Where m is mass and…

Q: A 50 ml glass container is filled to the brim with methanol at 0.00C. If the temperature is raised…

A: The matter expands when heated whereas contracts when cooled. This is for any matter. Weather it is…

Q: The New River Gorge bridge in West Virginia is a 518-m-long steel arch. How much will its length…

A: Given : Length of a steel arch (Lo) = 518 m Temperature (T1) = -19°C Temperature (T2) = 32°C

Q: C is dropped into a bucket of water at 20 C. If the mass of water in the bucket is 5kg, what is the…

A: The mass of the iron horseshoe is m1 = 1.5 kg and the temperature T1 = 800 0C  The mass of the water…

Q: If a bullet with mass 1.6 grams is fired from a gun with a speed of 206 m/s into a block of wood. If…

A: (given) Mass of the bullet = 1.6 gm = 0.0016 kg Speed of bullet fired from gun = 206 m/s Specific…

Q: 2) A.37 m3 of gas is allowed to expand to .75 m³. As this happens the temperature goes from 21° C to…

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Q: How much energy must be removed from a 500g block of ice to cool it from 0C to -40C? The specific…

A: Given:Mass of the block, m = 500 gSpecific heat, c = 2090 J.kg.KChange in temperature, ∆t  = -40 –…

Q: On a certain day, the temperature dropped from 480F to 170F in 6 hours. What is the temperature…

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Q: mL cup of coffee is too hot to drink at 91C, so 100.0 mL of cold water at 6.5 C is added to cool it…

A: GivenVolume of coffee, Vc=450 mLTemperature of coffee, Tc=91°CVolume of cold water added, Vw=100…

Q: Lead pellets, each of mass 1.60 g, are heated to 200°C. How many pellets must be added to 451 g of…

A: mass of each lead pellet (m) = 1.60 g Specific heat of lead = 0.13 Jg-C initial temperature of…

Q: An ideal gas at 20∘C consists of 2.2 x 1022 atoms. 8.5 J of thermal energy are removed from the gas.…

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Q: A copper rod 83 cm long is used to poke a fire. The hot end of the rod is maintained at 120 ∘C and…

A: Given- Length of copper rod (L) = 83 cm Temperature at hot end (Th) = 1200C Temperature at cool end…

Q: 1. What is the phase of a sample of carbon dioxide at a temperature of 283 K (10°C) and a pressure…

A: In this question we have to find the phase of a sample of Carbon Dioxide at the given conditions.…

Q: Lead pellets, each of mass 1.30 g, are heated to 200°C. How many pellets must be added to 462 g of…

A: Initial temperature of Lead pellets: TPb,i = 200°C Final temperature of Lead pellets: TPb,f = 25°C…

Q: Water with a mass of 0.500 kgkg at 15.0∘C∘C is mixed with 0.800 kgkg of water at 35.0∘C∘C. What is…

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Q: Before leaving on a trip to Melbourne Beach, Florida, you measure the pressure inside the tires of…

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