Ahome owner leaves a 5 gallon can of gasoline (specific gravity 0.73, lel 1.4%, tlv 300 ppm, mw 108) in his attached garage (25 ft x 20 ft x 7 ft). if 10% of the original volume of the can evaporates per day and the volumetric air flow rate is 2 cfm, what hazards are present in the garage? assume perfect mixing (k=1) and the garage reaches a steady state.

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

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~ trueboss72

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

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explanation:

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