Advanced environmental chemistry 2

... polar (electronegativity of C = 2. 5; electronegativity of H = 2. 1) all alkanes are nonpolar because of their bond geometry In the straight-chain alkanes (called normal-alkanes), as the alkane carbon ... Pointa °C Boiling Point °C methane ethane propane n-butane n-pentane n-hexane n-heptane n-octane n-nonane n-decane n-dodecane CH4 C2H6 C3H8 C4H10 C5H 12 C6H14 C7H16 C8H18 C9H20 C10H...

... follows: PROBLEM SET R1 R2 149 R3 N N N N R4 N Cl Compound R1 R2 R3 R4 C2H5 C3H7 C2H5 C3H7 C2H5 C2H5 C2H5 H H H H H C2H5 C2H5 C2H5 C3H7 C3H7 C2H5 C2H5 C2H5 C2H5 H H H where C2H5 is an ethyl and C3H7 ... PCO2 2 Ca2þ Š Substituting this into the Ka2 expression þ À ½CO2À Š½H Š ¼ Ka2 ½HCO3 Š we have ½CO2À Š¼ 2 Ka2 ½HCOÀ Š  2 Ca Š Ka1 KH PCO2 From the charge balance equation, we have [HCOÀ 3Š¼...

... of mineralization in south-west England and Scotland (up to 20 00 ppm U) and some shales and limestones in north and central England (about 800 ppm U) Other factors which influence radon levels ... respectively and a ( = Reactive/ ^inert) is a factor which quantifies any enhancement of gas transfer in the water due to chemical reaction The terms rw and are the resistances to...

... 34 2.4.4.1 Mêtan 34 2.4.4.2 Các hydrocacbon khác mêtan (non-methane hydrocarbons - NMHCs) 34 2.4.4.3 Các dẫn xuất halogen hydrocacbon 35 2.4.5 Các hạt lơ lửng ... số nồng độ chất ô nhiễm nước mặt (TCVN 594 2-1 995) 78 Giá trị giới hạn cho phép thông số nồng độ chất ô nhiễm nước thải công nghiệp (TCVN 594 5-1 995) .79 Hàm lượng nguyên tố hóa học ... 90 4.3.2 Không khí đất 91 4.4 Dịch...

... dng ca Trỏi t lỳc s khai Ngi ta suy oỏn rng, t nhiu loi phõn t hu c c to thnh, cỏc h vụ sinh (non-living systems) c hỡnh thnh, tin húa thnh cỏc sinh vt t sinh tn v sinh sn, sau cựng phỏt trin thnh

... following from a shell prompt on most GNU /Linux systems: % info “(standards)User Interfaces” 19 03 0430 CH02 20 5/22/01 Chapter 10:20 AM Page 20 Writing Good GNU /Linux Software 2.1.3 Using getopt_long ... Interaction With the Execution Environment %s\n”, argv[i]); } return 0; } 2.1.2 GNU /Linux Command-Line Conventions Almost all GNU /Linux programs obey some conventions about how c...