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AP Chemistry Updated 2015 Summer Work Answer Key
Note :
- 1L =1dm3
- 1.0 X 103 ml = 1.0E3 ml</i>
Set#1 Pg30
- 30a) 0.134nm
- 30b) 1.34A
- :37) 110.km/s
- 41) 39.2 degree C and 312.4K
- 69) 6E10 ft3 and 7E14 ug and 7E5 kg
- 72) Can't tell (need to show data)
Set#2 Pg72
- 47) Will check in class
- 69) Will check in class
- 73) Will check in class
Set#3 Pg123
- 15) 24.31amu
- 47a) 294.30g/mol
- 47b) 3.40E-2mol
- 47c) 459g
- 47d) 1.0E19 molecules
- 47e) 4.9E21atoms of nitrogen
- 47f) 4.9E-13g or 4.9E2fg
- 49)CdS (77.79%Cd), CdSe (58.73% Cd), CdTe (46.83% Cd)
- 61)Empirical Formula (EF) is C3H6O2
- 67)EF = C1H1 Molecular Formula (MF) = C6H6
- 69)C3H8
Set#4 Pg123
- 77d) Can't show answer but all atoms must balance
- 77e) Can't show answer but all atoms must balance
- 87) 97g of concentrated sulfuric acid
- 90a) 73.9g
- 90b) 1.30E2g
- 96a) 18.0g HgBr2 produced ; 7.97g Br2 reacted ; 1.03g Br2 excess
- 96b)35.0g HgBr2 produced
Set#5 will be given in class
Set#6 Chapter 5 (Pg230) Gases (2017-2018 AP Chem Learners WILL NOT DO THESE PROBLEMS FOR SUMMER WORK)
- 25) 620mmHg, 620 torrs, 0.816atm, 8.27E4 Pa
- 27) 0.972atm
- 31a) 14.0L
- 31b) 4.72E2 moles
- 31c) 405degC
- 31d) 133atm
- 41) 5.1E4 torrs
- 49) 2.6E7g of 98% sulfuric acid
- 55) C3H6
- 57) 5.77g/L for SiCl4 and 4.60 g/L for SiHCl3
- 64) PTotal=1.4atm, PN2=1.1atm, PO2=0.10atm and PNH3=0.18atm
- 65) 0.286g N2
- 80) 63.7g/mol
- 92) BrF3