Calculate the approximate distance (in km) between earth and sun, given that the speed of light is about 
and that it takes about 8.5 minutes for sunlight to reach earth.
Definitions:
Q51: One gallon is equal to _ pints.<br>A)36<br>B)0.556<br>C)454<br>D)8<br>E)1,000,000<br>F)1,000<br>G)1<br>H)2.54<br>I)4.184<br>J)16
Q53: If the half-life of an isotope is
Q88: hexane<br>A)CH?<br>B)CH?CH?CH?CH?CH?CH?<br>C)CH?CH?CH?CH?CH?<br>D)CH?CH?CH?CH?<br>E)CH?CH?<br>F)CH?CH?CH?
Q94: Which orbital is dumbbell-shaped?<br>A) 2s<br>B) 3p<br>C) 4d<br>D)
Q113: BaxCly<br>A)x = 2, y = 1<br>B)x =
Q132: In order to convert 121 dm to
Q132: acetic acid<br>A)3<br>B)1<br>C)2
Q134: A popular science demonstration is to take
Q140: in<br>A)time<br>B)energy<br>C)electrical charge<br>D)mass<br>E)length<br>F)volume<br>G)temperature<br>H)density
Q152: Density is a conversion factor.