a sample of mercury changes phase from solid to liquid.

using the symbol for mercury (hg), which option correctly shows this phase change?

hg (g) → hg (s)

hg (l) → hg (s)

hg (s) → hg (g)

hg (s) → hg (l) i really really really need asap

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.