Question 67 of 75 ISA
When chromium metal is added to nitric acid, the following reaction
takes place
Cr (s) + 6 HNO3 (aq) → Cr(NO3)2 (aq) + 3 H20 (1) + 3 NO2 (g)
Calculate the volume of NO2 gas (in L) collected over water at 40.0 °C
when 19.3 g of chromium is added to excess nitric acid if the total
pressure is 675.0 torr. The vapor pressure of water at 40.0 °C is 55.3
torr.
2

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.