A copper cube with an edge measuring 1.55 cm and an aluminum cube with an edge measuring 1.62 cm are both heated to 55.0 °C and submerged in 100.0 mL of water at 22.2 °C. What is the final temperature of the water when equilibrium is reached? (Assume a density of 0.998 g/mL for water.)

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Q: 15 The highly exothermic thermite reaction, in which aluminum reduces iron(III) oxide to elemental…

A: Given reaction and information,    2Al(s) + Fe2O3(s) → 2Fe(s) + Al2O3(s) ΔH = –850. kJ

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Q: If 40.0 kJ of energy are absorbed by 500.0 g of water at 10.0 °C, what is the final temperature of…

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Q: A 132.3 g piece of copper (specific heat 0.38 J/g･°C) is heated and then placed into 400.0 g of…

A: Qwater = m × S × ∆T Where        m = mass of water = 400 g        S = specific heat of water = 4.18…

Q: The addition of 197 J of energy raises the temperature of a 22.0 g of substance by 2.15°C.…

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Q: A metal bar with specific heat capacity of 0.225 J/g C requires 6440 J of energy to change its…

A: ∆T = 96-21 = 75 °C  m =?  Heat added =6440.J  Cp = 0.225 J/g°C

Q: A 93.1 g piece of copper (specific heat 0.380 J/g･°C) is heated and then placed into 400.0 g of…

A: Q=M S ∆T  Q=heat M=mass S=specific heat ∆T=change in temperature

Q: 0.020 mole of gold metal that has a specific heat capacity of 2.10 J/g ⁰C released 5.20 kJ of heat.…

A: Given :-  Number of moles of gold = 0.020 mol  Specific heat capacity of gold = 2.10 J/g°C  Heat…

Q: sample of solid zinc is heated with an electrical coil. If 63.1 Joules of energy are added to a 10.1…

A: We will use formula of heat

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A: Given, mass of metal = 133.3 g Initial temperature of metal , Tim=81.3°C volume of water = 112.0 mL…

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

A: Mass of cold water = 125 g Mass of hot water = 283 g Initial temperature of cold water = 3o C…

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

A: Specific heat formula ,  q  = m x C x  ∆T where , m = mass C = specific heat ∆T = change in…

Q: energy (in joules) is needed to heat 200.0 g of water by 10.0 C? The heat capacity of water is…

A: The energy in joules that is needed to heat 200.0 g of water by 10.0 degrees Celsius is to be…

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Q: A sample of copper absorbs 43.6 kJ of heat, resulting in a temperature rise of 40.0°C, determine the…

A: The Heat required to raise the temperature of 1 gram of a substance by one degree (1K or 1°C) is…

Q: Two pieces of metal (A and B) are in contact with each other and initially at different…

A: For Metal A: mass of metal A = 7.50 g Initial Temperature = 24 oC Final Temperature = 35 oC Change…

Q: Ice at 0°C is placed in a Styrofoam cup containing 361 g of a soft drink at 23°C. The specific heat…

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

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g·°C) at 88.0 °C is placed into 500.0 g of…

A: Given that,weight of Cu =m1=25gSpecific heat capacity of Cu=S1=0.380J/g°cInitial temerature of…

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Q: When 1.00 g of AgCl is formed by the reaction in a coffee cup calorimeter, the temperature of 20.0 g…

A: Heat absorbed by water can be calculated by using the formula:Q = m.Cp.∆T where, Q = heat absorbed/…

Q: 4. A 50.0 gram piece of hot iron (specific heat = 0.451 J/g °C) was placed in a beaker of 600. grams…

A: The question is about calculating the Original Temperature of the hot iron piece using the given…

Q: If 29.00 g of aluminum at 76.45 °C is dropped into 125.7 g of water at 34.04 °C, what will be the…

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Q: SLVER Massof EMPTY cup 4g Mass of cuptwater 64.0g Mass of waterR 64.0g 4.0g 60g Massof SILVER 260g…

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Q: 19.  How much will the temperature of a cup (180 g) of coffee at 95 °C be reduced when a 45 g…

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Q: When a 10.0 g metal sample (0.85 J/goC) at 110.oC is placed in an insulated cup of water at 25oC,…

A: According to Law if calorimetry Heat absorbed by a system = heat released by another system Here the…

Q: A chemist mixes 500 g of lead at 500°C with 1,200 g of water at 20°C. She then mixes 500 g of copper…

A: Given : Mass of lead = 500 g Mass of water used for lead = 1200 g Mass of copper = 500 g Mass of…

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A: when we mix to object then it grow from high temperature too low temperature . so apply principle of…

Q: 150. g of water (Cs = 4.184 J/g°C) at 20.0 °C is added to a coffee cup calorimeter. A 35.0 g sample…

A: We use conservation of heat law in order to achieve equilibrium :- -Heat released by the solid =…

Q: An aluminum cup with mass 0.17 kg holds 0.87 kg of water. Both the cup and the water have a…

A: Given: Mass of aluminium cup = 0.17 Kg = 170 g.                                    (Since 1 Kg =…

Q: A 5.90-g chunk of potassium is dropped into 1.00 kg water at 24.7°C. What is the final temperature…

A: 1.A 5.90-g chunk of potassium is dropped into 1.00 kg water at 24.7°C. 2. Tobfind out the final…

Q: 10.0 g sample of water at 20.0 °C is added to a 50.0 g sample of water at 70.0 °C. What is the final…

A: Mass of sample 1 = 10 g Initial temperature of sample 1 = 20.0 °C Mass of sample 2 = 50 g Initial…

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Q: Consider heating 1.0 kg of water at a constant pressure of 1 atm. How much heat is needed to raise…

A: Given : Mass of water = 1 kg = 1000g Pressure = 1 atm Initial temperature, t1 = 25°C Final…

Q: A 75.0 g piece of iron (CP = 25.09 J/(mol · °C)) was heated to a temperature of 47°C and then placed…

A: Mass of iron piece , mi=75.0 gSpecific heat capacity , Cp=25.09 Jmol.°CInitial Temperature ,…

Q: When 5.75 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the…

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Q: It takes 15.5 kJ of energy to raise the temperature of 2.67 mol of substance from 25.0°C to 70.0°C.…

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Q: 15.A sample of 125 g of cold water and 283 g of hot water are mixed in an ideal thermos and thermal…

A: Given : Mass of cold water=125 g Mass of hot water=283 g Initial temperature of cold water=3∘C…

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Q: A 251 g piece of lead (SH=0.160 J/g degrees Celsius) with an initial temperature of 90.5 degrees…

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Q: A 995 g copper pan is removed from the stove at a temperature of 150 °C. It is then stacked on top…

A: The heat lost by the copper is equal to the heat gained by the aluminum. -mcopper Cvcopper ∆T =…

Q: A 735g sample of metal with a specific heat capacity of 0.282 of J/g•ºC is initially at a…

A: given information - mass = 735 gm specific heat capacity = 0.282 of J/g•ºC  initial temperature =…

Q: How much heat is needed to raise 5 grams of aluminum by 20 degree Celsius?Caluminum=0.900 J/g *…

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Q: A 158 g sample of gold at some temperature was added to 28.7 g of water. The initial water…

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A: Given:Mass (m) of olive oil at 80.0 oC is 9.80 gThe temperature of water in the calorimeter is…