27-gram piece of metal at 144  oC is dropped into 86 grams of water at 29 oC.  The water temperature rose to 37 oC.  Calculate the heat change of the metal in Joules.  (DO NOT PUT UNITS IN YOUR ANSWER.)  Assume that all of the heat lost by the metal is transferred to the water and no heat is lost to the surroundings.  The specific heat of water is 4.184 J / g oC

Q: How much heat is needed to bring 19.2 g of water from 29.8°C to 45.87°C if the specific heat…

A: Formula of specific heat capacity: Cs = q/m∆T q = mCs∆T m = mass of substanceCs = specific heat…

Q: A 25.0-g sample of rock at 250 °C is dropped into 100.0 g of water at 19 °C. If the water…

A: Specific heat is the measure of the heat required to raise the temperature of the substance by one…

Q: Calculate the amount of heat (in kJ) required to raise the temperature of 1.65 lb of water from 294K…

A: Given : Initial temperature =  294K Final temperature =  303K Mass of water = 1.65lb

Q: When 75.71 grams of fictional compound X is added to water to make 367.7 grams of solution, the…

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Q: A 12.3 g chunk of metal is heated up to 95°C and  dropped into an insulated vessel containing 157 g…

A: The question is based on the concept of law of conservation of energy . whatever heat lost by the…

Q: A 28.3-g piece of iron initially at 84.4 °C is submerged into 107.2 g of water at 12.2 °C. What is…

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Q: A 155.0 g piece of copper at 146 oC is dropped into 250.0 g of water at 15.3 oC. (The specific heat…

A: The heat lost by copper will be equal to the heat gained by water as there is no loss of heat to the…

Q: A sample of lead is heated to 189.4oC.  It is then placed in a cup containing 32.8 g water at…

A: The relationship between heat , specific heat capacity and change in temperature is given by the…

Q: A beaker contained 76.4 g of water at 18.97°C. A 85.48-g sample of metal at 51.36°C was placed in…

A: Given that Mass of water = 76.4 g Mass of metal = 85.48 g Initial temperature of water = 18.97°C…

Q: A 500-g piece of metal (a steel) is dropped into 775 mL of water at 23.5 °C. The final temperature…

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Q: How many milliliters of water at 21 °C with a density of 1.00 g/mL must be mixed with 220 mL of…

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Q: A  55.2 g piece of metal has a temperature of 90.4 °C before being placed into 102.5 g of water at…

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Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A: According to the answering guidelines, I'm posting the solution for the first question. Kindly post…

Q: The specific heat capacities of copper, gold, and cobalt are given. Based on this information, which…

A: Specific heat capacity means the amount of heat required to raise the temperature of 1 gram of a…

Q: A calorimeter contains 365 g of water at 30.0 °C. A 29.3-g sample of ice (at -11.0 °C) is added to…

A: We have to calculate the final temperature of water

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: If a 125 g sample of iron is heated to 250.0oC and then placed in 500.0 g of water at 25.0 oC in an…

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Q: A 3.75 g piece of gold initially at 587.15 K is dropped into 20.6 mL of water at 295.75 K. Calculate…

A:

Q: Calculate amount of heat (in kJ) required to raise the temperature of a 79.0 g of a substance by…

A: The solution is as follows:

Q: A 31.1 g wafer of pure gold at 69.3 is submerged into 64.2 g of water at 27.8 in an insulated…

A: given: mass of gold = 31.3 g initial temperature of gold = 69.3oC mass of water = 64.2 g initial…

Q: 6) B) A 150.0 g sample of a metal at 80.0 °C is placed in 150 g of water at 20.0 °C. The temperature…

A: Given , mass of metal sample, mm = 150.0 g Initial temperature of metal , tim=80°C mass of water…

Q: How much energy is required to heat 120.0 grams of water from 2.0oC to 24.0oC? The specific heat of…

A: Given: mass of water, m=120.0 ginitial temperature of water, T1 = 2.0∘CFinal  temperature of water,…

Q: A calorimeter contains 2.50 kg g of water at 37.0 °C. A 225-g sample of ice (at -20.0 °C) is added…

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Q: A 148.9-g sample of a metal at 74.0°C is added to 148.9 g H20 at 14.4°C. The temperature of the…

A:

Q: A 35.0-g sample of water at 25°C is mixed with 45.0 g of water at 88°C. Calculate the final…

A: Calculate for the final temperature of the mixture see step-2 for further Calculation and concept…

Q: A 10. g sample of metal of unknown heat capacity is heated to 95 oC. This hot sample of metal is…

A: Heat capacity of the unknown metal and of water related as - M1 C1 ∆T1 = M2 C2 ∆T2 Here - M1 =…

Q: Calculate the moles of lithium from its molar mass and the heat produced when it reacts with water.…

A: In this scenario, we are presented with a multi-step problem that involves the reaction of lithium…

Q: 9. A piece of aluminum is heated to a temp of 71.8°C, then placed in 150.0 mL of water at 20.7°C…

A: Given data, For Aluminum, Cp =0.903 J g-1 ℃-1 mass m=? T1=71.8 ℃  T2=25.6 ℃

Q: 50.0 mL of hot water (49.6 oC) is added to 50.0 mL of cold water (24.7 oC). Upon mixing the water…

A: Given: For hot water Volume, V= 50.0ml So, mass m1= d x V = 1 x 50.0 = 50g Temperature T1= 49.6oC…

Q: If 10 g of water at 52oC and 25 g of water at 10oC were mixed in an insulated container, what will…

A: Given: Specific heat of water = 4.184 J/g°C

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: A piece of iron (mass = 25.0 g) at 398 K is placed in a styrofoam coffee cup containing 25.0 mL of…

A: Given,Mass of iron (m1) = 25 gInitial temperature of iron (Ti) = 398 KSpecific heat capacity of iron…

Q: The specific heat of mercury is 0.140 J/g°C. Calculate the heat necessary to raise the temperature…

A:

Q: A beaker contained 69.68 g of water at 15.25°C. A 81.2-g sample of metal at 52.22°C was placed in…

A: Given that : The mass of water (mw)= 69.68 g Temperature of water = 15.25°C The mass of sample (mm)…

Q: What is the amount of heat energy in joules required to raise the temperature of 10.00 g water…

A: The required relation is given below.

Q: beaker contained 69.68 g of water at 15.25°C. A 81.2-g sample of metal at 52.22°C was placed in it,…

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Q: When a 43.0 g sample of metal at 100.0 oC is added to 38.0 g of water at 23.72 oC, the final…

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Q: Determine the final temperature of a gold nugget (mass = 376 g) that starts at 288 K and loses 4.85…

A: Specific Heat Capacity of gold is =0.128 J/gc Initial temperature = T1 = 288K…

Q: a 25.31 g sample of a substance is initially at 23.9 °c. after absorbing 2317 j of heat, the…

A:

Q: A 28.602 g sample of a metal is heated to 99.9°C in a hot water bath until thermal equilibrium is…

A: Let c be the specific heat of the metal Heat lost by the metal = mass x specific heat x temperature…

Q: hot lump of 25.4 g of aluminum at an initial temperature of 83.0 °C is placed in 50.0 mL H2O…

A: This concept is based on principle of calorimetry in this concept heat given by system and heat lose…

Q: A 155.0 g piece of copper at 181 oC is dropped into 250.0 g of water at 17.9 oC. (The specific heat…

A: Assuming the final temperature of mixture is T and specific heat of water = 4.184 J/goC Since the…

Q: A piece of metal with a mass of 59.047 g was heated to 98.0°C and then put into 100.0g of water…

A: Given: Mass of the metal = 59.047 g The initial temperature of the metal = 98.0 oC The mass of water…