What employment sector is identified with information processing?
A) primary
B) secondary
C) tertiary
D) quaternary
E) quintenary
D) quaternary
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The heat of vaporization of water is 540 cal/g. What mass of water at 100°C can be vaporized by the addition of 45.0 kcal of heat?
A) 0.0120 g B) 0.0833 g C) 12.0 g D) 83.3 g
Hydrocarbon emissions
What will be an ideal response?
What is the IUPAC name of sec-butylamine?
A) 1-butanamine B) 2-butanamine C) N-methyl-2-propanamine D) 2-methyl-2-propanamine
Approximately 40 grams of the radioisotope iodine-131 were accidentally released into the atmosphere during the Fukushima nuclear accident. The half-life of iodine-131 is 8 days. How long would it take for there to be 10 grams of iodine-131 left in the
environment? A) 8 days B) 12 days C) 14 days D) 16 days E) 23.7 days