3 The questions refer to the substances in the table. Melting point/°C
Boiling point/°C
A
-259
-253
B
0
100
C
3700 (sublimes)
D
-116
34.5
E
801
1413
a Write down the physical states of each compound at
i 30°C.
ii -100°C
iii 80°C​

What forms when chemical reactions combine pollution with sunlight?

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+