Chemistry 2e

# Key Equations

Chemistry 2eKey Equations
• $P=FAP=FA$
• p = hρg
• PV = nRT
• PTotal = PA + PB + PC + … = ƩiPi
• PA = XA PTotal
• $XA=nAnTotalXA=nAnTotal$
• $rate of diffusion=amount of gas passing through an areaunit of timerate of diffusion=amount of gas passing through an areaunit of time$
• $rate of effusion of gas Arate of effusion of gas B=mBmA=ℳBℳArate of effusion of gas Arate of effusion of gas B=mBmA=ℳBℳA$
• $urms=u2¯=u12+u22+u32+u42+…nurms=u2¯=u12+u22+u32+u42+…n$
• $KEavg=32RTKEavg=32RT$
• $urms=3RTMurms=3RTM$
• $Z=molarvolume of gas at sameTandPmolar volume of ideal gas at sameTandP=(P×VmR×T)measuredZ=molarvolume of gas at sameTandPmolar volume of ideal gas at sameTandP=(P×VmR×T)measured$
• $(P+n2aV2)×(V−nb)=nRT(P+n2aV2)×(V−nb)=nRT$