0 m by 25 m assume that the gas is at stp and that

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: → 2Fe(s) + 3CO2(g) ∆H = -24.8 kJ exothermic 10. What is the total mass of oxygen in grams in a room measuring 4.0 m by 5.0 m by 2.5 m? Assume that the gas is at STP and that the air contains 20.95 % oxygen by moles. R = 0.0821 Latm/molK V = 400 cm x 500 cm x 250 cm = 5.00 x 107 cm3 = 5.00 x 104 L XO2 = 467.3 mol 11. Extra Credit. List the following elements in order of decreasing atomic radii from left to right. (5 pts) P, K, Al, He, F K > Al > P > F > He decreasing Chemistry 101 Exam 2...
View Full Document

This document was uploaded on 03/19/2014 for the course CHEMISTRY 101 at Los Angeles Harbor College.

Ask a homework question - tutors are online