
Concept explainers
Interpretation:
The final pressure of isoflurane in atmosphere should be calculated when the gas is warmed to a temperature of 22°C, under conditions of constant volume and amount of gas. Given that the gas is at initial pressure of 1.8 atm and temperature of 5°C.
Concept introduction:
► The relation between pressure (P) and temperature (T) of a gas under constant volume and amount of the gas is represented through Gay-Lussac’s Law.
► As per Gay-Lussac’s law, pressure is directly related to temperature:
► The standard units for pressure is atmosphere (atm) and temperature kelvin (K)
► Pressure conversions:
1 torr = 1 mmHg
1 atm = 760 torr = 760 mmHg
Temperature conversion:
K =°C + 273 (or) °C = K - 273
Given:
Initial pressure P1 = 1.8 atm
Initial temperature T1 = 5°C = (5 + 273) K = 278 K
Final temperature T2 = 22°C = (22 + 273) K = 295 K
Final pressure = P2

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Chapter 11 Solutions
EBK BASIC CHEMISTRY
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