A compound of formula C5H10 gave a 1H NMR spectrum described as follows: δ Multiplicity Integration 1.5 singlet 3H 1.6 singlet 3H 1.7 doublet 3H 5.6 quartet 1H Identify the molecule and write the SMILES string for the structure in the box below. You can use MARVIN sketch or the NIH Online structure editor to get the SMILES string (Click on "start structure editor").

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Effect of rotenone and antimycin a on electron transfer rotenone, a toxic natural product from plants, strongly inhibits nadh dehydrogenase of insect and fish mitochondria. antimycin a, a toxic antibiotic, strongly inhibits the oxidation of ubiquinol. (a) explain why rotenone ingestion is lethal to some insect and fish species. (b) explain why antimycin a is a poison. (c) given that rotenone and antimycin a are equally effective in blocking their respective sites in the electron-transfer chain, which would be a more potent poison? explain.