HP F2216A hp 33s_user's manual_English_E_HDPM20PIE56.pdf - Page 114
Solving the Ideal Gas Law Equation.
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Example: Solving the Ideal Gas Law Equation. The Ideal Gas Law describes the relationship between pressure, volume, temperature, and the amount (moles) of an ideal gas: P×V=N×R×T where P is pressure (in atmospheres or N/m2), V is volume (in liters), N is the number of moles of gas, R is the universal gas constant (0.0821 liter-atm/mole-K or 8.314 J/mole-K), and T is temperature (Kelvins: K=°C + 273.1). Enter the equation: Keys: Display: Description: |HL P z L V | d L N z LRzLT | º¾ Selects Equation mode and starts the equation. Terminates and displays the equation. Checksum and length. A 2-liter bottle contains 0.005 moles of carbon dioxide gas at 24°C. Assuming that the gas behaves as an ideal gas, calculate its pressure. Since Equation mode is turned on and the desired equation is already in the display, you can start solving for P: Keys: Display: Description: P 2g .005 g .0821 g 24 273.1 #@ value @ value @ value !@ value !@ ) Solves for P; prompts for V. Stores 2 in V; prompts for N. Stores .005 in N; prompts for R. Stores .0821 in R; prompts for T. Calculates T (Kelvins). 7-4 Solving Equations