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

A:

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…

A:

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

A:

Q: A sample of iron was heated to 125.0 oC and then placed in 375 g of water at 21.0 oC. The…

A: Given that, Temperature of iron sample Tiron =125.00C , mass of iron = m (supposed) Mass of water =…

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…

A:

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: hen 92.00 grams of fictional compound X is added to water to make 531.0 grams of solution, the…

A:

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…

A:

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: It was determined that: 135 J of heat is required to increase the temperature of 10.0 g of an…

A:

Q: How much heat is added to increase a 8.45 g sample of gold to increase its temperature by 6.2 °C?…

A: We have been given mass of gold,specific heat of gold and increase in temperature and we have been…

Q: What is the final temperature when a 5.0 g sample of brass initially at 25 oC absorbs 75 J of heat?…

A: Equation for finding the heat absorbed by brass is as follows. Q=mc∆TQ=heat absorbed by brassm=mass…

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…

A:

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: 20.0mL of 0.15M NaOH was mixed with 30.0mL of .10M HCl inside a calorimeter. Temperature change=+2.5…

A: 20.0 mL of 0.15M NaOH was mixed with 30.0 mL of 0.10M HCl Moles of NaOH = 0.00300 mol Moles of HCl =…

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: Calculate the amount of heat, in Joules, needed to raise 34.0g of water from 55.0°C to 76.0°C. The…

A: Here we are required to find the amount of heat needed to raise 34.0g of water from 55.0°C to 76.0°C…

Q: Assume that it is possible to heat water with perfect insulation (all the heat from combustion of…

A: 1) E=m*C*∆T where is C specific heat capacity in J/g⋅∘C.   = 200*4.185*10   =8370 J 2) Calculate the…

Q: A solution is made by mixing 197.3 g of ethanol initially at 10.5°C with 250.0 g of water initially…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

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 piece of cold iron of mass 4 kg is lowered into 12 kg of water at 64 °C. The initial temperature…

A:

Q: A small piece of metal is heated and placed in a foam cup calorimeter containing 50.0 mL of water at…

A: q= mc∆t Q= 522.2joule

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,…

A:

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…

A:

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: Suppose a boil water notice is sent out advising all residents in the area to boil their water…

A: Given: The volume of water, (VH2O) = 12 L = 12000 mL. The initial temperature of the water, (T1) =…

Q: What is the heat of solution for compound X

A:

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: 4. The specific heat of water is quite high at 4.184 J/gC. Explain how life on this planet would be…

A: The amount of heat required to increase the temperature of the 1 g of the substance by 1 degree is…

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…