Question 23 3 Points Saved Listen A 0 085 Kg Block Of Iron Is Heated And Placed In A Calorimeter Containing 0 250 Kg 1 (50.48 KiB) Viewed 38 times
Question 23 (3 points) ✓ Saved Listen A 0.085 kg block of iron is heated and placed in a calorimeter containing 0.250 kg of water at 20°C. If the final temperature of the water was 22 °C, to what temperature was the iron heated to originally? Start by calculating the amount of heat energy gained by the water (in kJ). Qwater A kJ. Next, calculate the change in temperature that the iron goes through. ATiron A/ °C.
Lastly, find the initial temperature of the iron. T;= = A °C. °
Question 9 (1 point) Listen B What relationship exists between the specific heat capacity of the solid and liquid phases? The specific heat capacity of the solid is the same as the specific heat capacity of the liquid. O is larger than the specific heat capacity of the liquid. is smaller than the specific heat capacity of the liquid. O cannot be compared to the specific heat capacity of the liquid.
Question 10 (1 point) Listen A mass of 2.0 kg of water with a specific heat capacity of 4200 J/ kg.°C gives up 16.8 kJ of heat to the surroundings. The temperature of the water is changed by 40 °C 02.0°C 20 °C O 0.5 °C
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