Selina claims that combining copper sulfate and zinc created a chemical reaction. Construct an explanation that addresses the following parts: Part A: Identify the evidence of chemical or physical changes in the experiment.
Part B: Explain why Selina is correct or incorrect using evidence from the experiment.
Part C: Describe what happened to the copper and zinc atoms during the experiment. Explain your answer.

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

3.) for each of the following compounds, draw the major organic product of reaction with hcl or naoh and circle whether the starting materials and products will be more soluble in organic solvent or water benzoic acid + hcl: benzoic acid + naoh: oh benzoic acid water/organic water organic fluorenone hс: fluorenone + naoh: fluorenone water/organic water/organic веnzocaine + hci: benzocaine + n»oh: h2n benzocaine water/organic water organic o=

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o