Which of the following allowed Fleming to recognize the pattern of the Penicillium mold killing bacteria? He was a scientist trained in the craft of scientific observation. He saw a similar pattern when he used an antibiotic to kill plated bacteria. He knew that Penicillium killed bacteria, so he was prepared to make the observation. He had previously seen a similar pattern when a tear fell on a Petri dish of bacteria.

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

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=

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0