What metal is complexed in chlorophyll?
A) iron
B) chromium
C) manganese
D) vanadium
E) magnesium
Question 2
A sample of He gas (2.35 mol) occupies 57.9 L at 300.0 K and 1.00 atm. The volume of this sample is ________ L at 469 K and 1.00 atm.
A) 0.709
B) 41.1
C) 90.5
D) 1.41
E) 57.9