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Question 10 5 pts If the temperature of a 25 g sample of a metal is...
Question 3 1 pts A 312 g sample of a metal is heated to 257.896 °C and plunged into 200 g of water at a temperature of 20.43 °C. The final temperature of the water is 79.548 °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 to 3 digits after the decimal.
Question 2 1 pts A 312 g sample of a metal is heated to 294.133 °C and plunged into 200 g of water at a temperature of 31.977 °C. The final temperature of the water is 87.391 °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 to 3 digits after the decimal.
Question 4 4 pts A piece of metal with a specific heat of 1.29 J/gºC is heated to 126.6°C and then placed in 133.868 g of water which is at a temperature of 10.9 °C. After a minute, the temperature of the water has stopped changing and is now 45.6°C. Assuming that there are no heat losses to the container or surroundings, what is the mass of the piece of metal in grams? Assume that water has a specific heat...
1. (10 pts) A 150.0 g sample of a metal at 75.0 °C is added to 150.0 g H20 at 15.0 °C (s.h. = 4.184 J/g °C). The temperature of the water rises to 18.3 °C. Calculate the specific heat capacity of the metal, assuming that all the heat lost by the metal is gained by the water.
5) A 34.44-g sample of an unknown metal, heated to 98.6°C, is transferred to 50.0 mL of H,O at 22.2°C. The equilibrium temperature is 28.3°C. What is the specific heat of the metal? (specific heat of water is 4.18 J/g °C) a) 0.527 J/g•°C b) 1.054 J/g•°C c) 0.845 J/g °C d) 5.274 J/g•°C
Question 4 . 1 pts Which sample will require less heat to undergo a temperature change of 15°C; 10 g of aluminum or 50 g of aluminum? Specific Heat Capacity, Substance (J/g.°C) Al(s) 0.900 O 10 g of aluminum O 50 g of aluminum Next
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 21.3 g sample of a metal was heated to 61.67°C. When the metal was placed into 17.8 g of water in a calorimeter, the temperature of the water increased from 25.00°C to 30.00°C. What is the specific heat of th metal? The specific heat of water is 4.18 J/g. °C). Specific heat- J/g °C) Submit Answer Try Another Version 10 item attempts remaining
A metal sample weighing 42.6 g and at a temperature of 100.0 oC was placed in 40.6 g of water at 24.8oC. At equilibrium the final temperature of the water and metal was 35.0oC. a. What was the change in temperature for the water? oC b. What was the temperature change for the metal? oC c. Taking the specific heat of water to be 4.184J/goC,caculate the specific heat of the metal. J/goC d. What is the approximate molar mass of...
1. Prepare for It! Prelab Question A A 235.0 g sample of metal is heated to 100.0°C and poured into a calorimeter containing 50.0 g of water at 20.5°C. The equilibrium temperature of the water and metal is 30.5°C. Using the specific heat of water, 4.18 J/g C, determine the specific heat of the metal from equation 3. Use equation 5 to find the approximate molar mass of the metal. Show your work! Use back if needed. 2. Prepare for...