Starting with ethyne, outline syntheses of each of the following. You may use any other needed reagents, and you need not show the synthesis of compounds prepared in earlier parts of this problem.

a. Propyne
b. 1-Butyne
c. 2-Butyne
d. cis-2-Butene
e. trans-2-Butene
f. 1-Pentyne
g. 2-Hexyne
h. (Z)-2-Hexene
i. (E)-2-Hexene
j. 3-Hexyne
k. CH3CH2C CD

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?

Displacement is the slope of a velocity vs. time graph a. true b. false