Concept explainers
Interpretation:
The final temperature of gas outside the volcano should be calculated at a final pressure of 0.800 atm and volume of 138 mL. Given that gas is at an initial volume of 124 mL, pressure of 1.80 atm and at a temperature of 212°C
Concept introduction:
► As per Charles law, volume is directly related to temperature:
► As per Boyles law, pressure is inversely related to volume:
► As per Gay-Lussac’s law, pressure is directly related to temperature:
► Equations (1), (2) and (3) give the combined
► Volume conversion:
1 ml = 0.001L (or) 1L = 1000 ml
Temperature conversion:
K =°C + 273 (or) °C = K - 273
Pressure conversion:
1 atm = 760 torr = 760 mmHg
1 torr = 1 mmHg
Given:
Initial volume V1 = 124 mL
Initial pressure P1 = 1.80 atm
Initial temperature T1 = 212°C = (212 + 273) K = 485 K
Final pressure = P2 = 0.800 atm
Final volume = V2 = 138 mL
Final temperature = T2
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