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Mr_H2O = 18. v_H2O = 648 m/s
Mr_CO2 = 44. v_CO2 = __?
• kecepatan rms
v = √(3 R T / Mr)
kecepatan rms berbanding terbalik dengan akar massa relatif nya.
v_CO2 / v_H2O = √(Mr_H2O / Mr_CO2)
v_CO2 / 648 = √(18/44)
v_CO2 = 648 √(18/44)
v_CO2 = 414,5 m/s ← jwb
mr = 44
V. = 648 m/s
ditanyakan : V.
V². : V². = :
= :
648² : V² = :
V². = (44 . 648²) / 18
V² = 4 . 11 . 36 . 36 . 18
V = √(4 . 11 . 36 . 36 . 9 . 2)
V = 2 . 36 . 3 √22
V = 216√22 m/s