Measuring the change in temperature versus time upon addition of a hot metal specimen to 9.71 mL of water with an ?
Measuring the change in temperature versus time upon addition of a hot metal specimen to 9.71 mL of water with an initial temperature of 26.84 degrees Celsius led to a plot with a line with the equation y = -0.121x + 37.47. Determine the heat absorbed by the water in Joules to two decimal places
- Roger the MoleLv 78 months ago
The graph tells you nothing you need to know to answer the question. (The graph is also suspicious for being linear, in defiance of Newton's Law of Cooling. It is also defective because it does not show the initial temperature to be 26.84°C, but 37.47°C. It is also unacceptable because there are no units for the x axis.)
I would have expected the graph to be an exponential curve that approached the final temperature, in which case the question could be answered by determining the temperature that was approached.
What you need to know is the final (equilibrium) temperature of the water and metal. Without that information you're stuck.