A 125 g sample of an unknown substance is heated to 93.6 °C and then dropped into 100.0 g of water at 19.0°C in a calorimeter. The temperature of the water rises to 31.0°C. What is the specific heat of the substance? Assume no heat lost to the surroundings. The specific heat of water is 4.184 J/ (g•°C).
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A 125 g sample of an unknown substance is heated to 93.6 °C and then dropped...
5) A 125-g sample of an unknown mineral was heated to 102.5°C and placed into a calorimeter containing 85.0 g of water at 19.5°C. The heat capacity of the calorimeter was 13.9 J/°C. The final temperature in the calorimeter was 53.0"C. What is the specific heat of the mineral? Show work for partial credit. GADT 5) A 125-g sample of an unknown mineral was heated to 102.5°C and placed into a calorimeter containing 85.0 g of water at 19.5°C. The...
An unknown metal sample of 54 g at 108°C is dropped into a calorimeter cup containing 190 g of 2. water at 20.3°c. After equilibrium is reached, the temperature of water is increased to 24.6°C. What is the specific heat of this metal? identify the metal by looking up the specific heat table. (Specific heat of water is 4186 J/kg.°C and heat capacity of the calorimeter is 125 J/oC)
A 61.93 gram sample of iron (with a specific heat of 0.450 J/g °C) is heated to 100.0 °C. It is then transferred to a coffee cup calorimeter containing 40.6 g of water (specific heat of 4.184 J/ g °C) initally at 20.63 °C. If the final temperature of the system is 23.59, what was the heat absorbed (q) of the calorimeter? (total heat absorbed by the water and calorimeter = heat released by the iron)
. A 150.0 g sample of a Metal was heated to 95.0°C. When the hot metal was placed into 100.0 g of water in a calorimeter, the temperature of the water increased from 20.0°C to 35.0°C. The specific heat of water is 4.184 J/g °C. a) What is the specific heat of the metal? Kb) What would the final temperature be if the mass of water was 150.0 q?
a 312 g sample of a metal is heated to 355.272 c
A 312 g sample of a metal is heated to 355.272 °C and plunged into 200 g of water at a temperature of 45.471 °C. The final temperature of the water is 59.19 °C. Assuming water has a specific heat capacity of 4.184 J/g °C, what is the specific heat capacity of the metal sample, in J/g °C)? Assume no heat loss to the surroundings. Report your response...
2. (15 pts) A 83.5 g sample of a metal alloy is heated to 88.1°C and it is then placed in a coffee-cup calorimeter containing 30.0 g water at 15.0°C. The final temperature of the metal + water is 25.3 °C. Calculate the specific heat of metal alloy, in J/(g°C), assuming no heat escapes to the surroundings or is transferred to the calorimeter. The specific heat of water is 4.184 J/(g°C).
A 45.90 g sample of pure copper is heated in a test tube to 99.40°C. The copper sample is then transferred to a calorimeter containing 61.04 g of deionized water. The water temperature in the calorimeter rises from 24.47°C to 29.10°C. The specific heat capacity of copper metal and water are J J 0.387 and 4.184 respectively. gr°C g. °C Assuming that heat was transferred from the copper to the water and the calorimeter, determine the heat capacity of the...
A 45.90 g sample of pure copper is heated in a test tube to 99.40°C. The copper sample is then transferred to a calorimeter containing 61.04 g of deionized water. The water temperature in the calorimeter rises from 24.39°C to 29.10°C. The specific heat capacity of copper metal and water are J J 0.387 and 4.184 respectively. - 9 Assuming that heat was transferred from the copper to the water and the calorimeter, determine the heat capacity of the calorimeter....
A hot 104.2 g lump of an unknown substance initially at 171.6 °C is placed in 35.0 mL of water initially at 25.0 °C and the system is allowed to reach thermal equilibrium. The final temperature of the system is 46.6 °C. Substance aluminum graphite rhodium titanium Specific heat (J/(g•°C)) 0.897 0.709 0.243 0.523 0.132 0.388 Using this information and the specific heat values for several metals in the table, identify the unknown substance. Assume no heat is lost to...
A 83.5 g sample of a metal alloy is heated to 88.1oC and it is then placed in a coffee-cup calorimeter containing 30.0 g water at 15.0oC. The final temperature of the metal + water is 25.3 oC. Calculate the specific heat of metal alloy, in J/(g oC), assuming no heat escapes to the surroundings or is transferred to the calorimeter. The specific heat of water is 4.184 J/(g oC).