A 22.0 g sample of pure iron at 85 °C is dropped into 73 g of water at 20. °C. What is the final temperature of the water-iron mixture? The specific heat of water is 4.184 J/g °C. The specific heat of iron is 0.45 J/g Final temperature = °C

Q: Zinc has a specific heat of 0.387 J/g · ºC. When a 3.20-g piece of zinc absorbs 6.81 J of heat, what…

A: Solution: The equation that establishes a relationship between how much heat a substance must absorb…

Q: 1. If a 100-kg sample of aluminum at 25.0 °C is heated with 500 kJ of heat energy, what will be the…

A: The heat absorbed by the aluminium is given by: where m= mass of metal = 100 kgIni q= total heat…

Q: What is the final temperature of a 56 g sample of water if the initial temperature was 4.0°C and it…

A: Given: Mass, m = 56 g Heat, q = 3046 J Specific heat of water, c = 4.184 Initial temperature, Ti =…

Q: 4. What mass of water would absorb 7.00 × 10² cal of heat if the temperature is increased from…

A: Heat of a reaction is defined as the heat  produces or absorbed during the reaction which can be…

Q: A 205 g sample of gold at some temperature was added to 22.3 g of water. The initial water…

A: Since the temperature of the water is increased, water has received heat and gold has emitted heat.…

Q: The specific heat of lead is 0.129 J/g C°. How many joules of heat are required to raise the…

A: Specific heat capacity of lead: 0.129J/g°CTinitial = 22°CTfinal = 37°Cmass of lead = 380g

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

A:

Q: A 50.0 g sample of scandium, Sc, is heated by exposure to 1.50 x 10J. The temperature of the Sc is…

A: When scandium is heated then it temperature increases. Total heat absorbed by metal is calculate…

Q: What is the final temperature when 63.4 g of water at 84.2 ° C is mixed with 38.5 g of water at…

A: Given : Mass of hot water = 63.4 g Mass of cold water = 38.5 g Temperature of hot water = 84.2 oC…

Q: 3. When 2.0 g of NaOH is the heat of dissolution are dissolved in 49.0 g of water, the temperature…

A: 3.) First we need to calculate the heat using the formula Q = mC∆T  Then we need to calculate moles…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.73 kg sample…

A: Heat capacity is defined as the amount of heat required to change the temperature of the substance…

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: The specific heat of a substance is the amount of heat required to raise the temperature of one gram…

A: Given --> Q = 357 J  S = 0.362 J/g°C T1 = 24.1°C T2 = 80.6°C

Q: A sample of iron absorbs 62.3 J of heat, upon which the temperature of the sample increases from…

A: The amount of heat required is related to specific heat capacity as,…

Q: A substance weighing 14.2 g absorbs 65.03 J of heat, resulting in a temperature increase of 10.2 °C.…

A: The objective of the question is to identify the substance based on its specific heat capacity. The…

Q: A chemist placed a 1.195 g sample of fuel in a bomb calorimeter which was immersed into 2.00 L of…

A: The mass of the fuel sample is = 1.195 g The increase in the temperature of the water is = 20.1oC to…

Q: A piece of iron is heated to 95 °C and dropped into 150 g of water at 25 °C. When equilibrium is…

A: Given, Let m ass of iron= mi=?

Q: A 225-g sample of aluminum was heated to 125.5 oC, then placed into 500.0 g water at 22.5 oC. (The…

A: Here we have:           mass of aluminiun, mAl = 225 g             mass of water , mH2O = 500.0 g…

Q: 100.g of Cu at 100 degrees C is added to 150.g of H2O at 10 degrees C. If the specific heat of…

A: From the question,Mass of Cu =100 g.The temperature of Cu = 100˚C.Mass of  H2O = 150 g.The…

Q: What is the specific heat of aluminum if the temperature of a 28.4 g sample of aluminum is increased…

A: The specific heat of a substance is defined as the amount of heat required to raise the temperature…

Q: A 65 g sample of Iron is heated to 80 °C and placed into a calorimeter containing 125 g of water at…

A: mass of iron = 65 gmass of water = 125 gspecific heat of water = 4.18 J/goCspecific heat of iron =…

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: student is asked to determine the heat of solution in J/g for the compound ammonium nitrate…

A:

Q: When 108 g of water at a temperature of 23.1 °C is mixed with 66.1 g of water at an unknown…

A:

Q: 6. If 53.2 g Al solid at 120.0 °C is placed in 110.0 g H₂O at 90 °C within an insulated container…

A:

Q: If the specific heat of iron is 0.449 J g ° C , how much iron is in your sample if 925 J were…

A:

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 chemist carefully measures the amount of heat needed to raise the temperature of a 161.0 g sample…

A: A chemist carefully measures the amount of heat needed to raise the temperature of a 161.0 g sample…

Q: The specific heat of copper is 0.385 J/g°C. Calculate the final temperature when 25.0 g of copper…

A:

Q: What is the final temperature if a 43.6 g piece of iron at 356°C is added to 147 g of water at 25°C?…

A: Interpretation- To determine the final temperature if  43.6 g piece of iron at 356°C is added to 147…

Q: 7. If it takes 105 joules to warm 100 grams of a substance from 20°C to 25°C, what is the specific…

A: Since you have asked multiple question, we will solve the first questionfor you. If you want any…

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: A metal object with mass of 20.5 g is heated to and then transferred to an insulated container…

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

Q: 2) When 100 g of unknown metal at 100 °C added to a calorimeter containing 50.00 g of water the…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: A chemist dissolved an 10.8-g sample of KOH in 100.0 grams of water in a coffee cup calorimeter.…

A: Here we are required to find the enthalpy of solution of KOH in the unit of kJ/mol