1. Based on the graph's information, what temperature(s) will we see iron in BOTH liquid and gas phase? -0c
-100c
-1500c
-2575c
-above 3000c

2. Which phase change(s) is (are) NOT included on this graph?
-Melting
-Condensation
-Vaporization
-Sublimation

3. Where are the phase changes occuring?
-A to B
-C to D
-D to E
-E to F

Please answer all 3 questions!

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

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

Which element would mostly likely have an electron affinity measuring closest to zero