Constract a heating/cooling curve from an MSDS, draw multistep energy bar charts that correspond to the curve, and calculate the total. Energy released/ absorbed
I've deleted you dozen posts, each with a different name. It looks as though you're trying to fool us and have just dumped your homework assignment on us.
no really were all just in the library helping each other get ready for a bug chem test
To construct a heating/cooling curve from an MSDS (Material Safety Data Sheet), you will need to follow these steps:
1. Obtain the MSDS for the substance: Look for the specific material that you want to analyze, and locate its corresponding MSDS. These documents are typically available from manufacturers, suppliers, or online databases.
2. Identify the relevant information: Look for information related to the substance's phase changes, temperature ranges, and energy changes (enthalpy) during each phase change. The MSDS should provide specific data such as melting point, boiling point, and enthalpy values.
3. Plot the heating/cooling curve: Create a graph with temperature on the x-axis and energy (enthalpy) on the y-axis. Determine the temperature range for which data is available and mark it on the x-axis. Use the known phase changes and corresponding temperatures to plot points on the graph, connecting them with straight lines.
4. Draw multistep energy bar charts: Create energy bar charts for each phase change by representing the energy released (exothermic) or absorbed (endothermic) as vertical bars. The height of the bars will correspond to the amount of energy involved in each phase change.
5. Calculate the total energy released/absorbed: Determine the total energy released or absorbed throughout the process by adding up the energy changes represented by the energy bar charts. The sum of the energy absorbed during cooling and the energy released during heating will give you the total energy change.
It is important to note that without specific data from the MSDS, it may be challenging to construct an accurate heating/cooling curve or calculate the total energy change. The MSDS should provide the necessary information to carry out these steps effectively.