2022年11月10日 · View QCEJ Template (2).docx from CHEM 1215L at University of New Mexico, Main Campus. Name: Karen P. Colorado Experiment # and title: Experiment 2—Identifying unknown using stoichiometry Course and

Would you please explain in detail the answer to the question: Use the standard molar enthalpies of formation in the table below to determine the enthalpy of reaction for this combustion reaction: 2C4

2- Construct 2 Table outlines in Lab Notebook containing the Volume of Unknown Solution (mL), Volume Hydrochloric Acid (mL), Ratio of Unknown Solution to Hydrochloric Acid Volumes, Pressure of CO₂

QCEJ 2.docx Question: How can we use pressure measurements and stoichiometry to figure out each unknown? Claim: If we use hydrochloric acid and mix each solution with it and find the final pressure, then plot on the Job plot, we can determine the unknown.

This research aims at introducing a new suggested strategy, "QCEJ" strategy, identifying its impact on developing the skills of constructing scientific arguments, and determining the level of scientific argument construction skills among middle school students. Results have shown shortages in the level of argument construction skills in both

2024年10月25日 · Plot the Absorbance vs. Concentration from Table 4.2 and attach your graph (i.e. with tape) in the 8 cm space below. Include appropriate axes with units, a linear trend line and equation, and the R 2 value on this calibration curve.