![]() We use two versions of the ideal gas constant, 'Rg' and 'R', so that we can have one ideal gas constant (Rg) in units of L-atm/mol-K and one (R) in terms of Joules/mol-K. Note that we use 'mol' instead of 'n' in the ideal gas law because 'n' is not allowed as a variable on some calculators. You will not have to enter them again for the life of the calculator. This is a bit of a pain, as you have to be careful to use the key (for uppercase) and keys (for lowercase).īut the payoff will be worth the trouble, because once these equations are in your calculator, ![]() To get started, enter the following with upper/lower case exactly as shown below. You can enter those equations into your TI calculator. ![]() See also examples involving equilibrium and Boltzmann distributionĪnother web page you might be interested in is Make sure you read the section corresponding to your calculator. Note, the TI-89 makes no distinction between upper and lower case. TI-85 or TI-86 prior to each letter, then the key for that letter With the TI-89, these will be lowercase.Į q n (lowercase letters) press on the TI-89 or on the IDEAL (uppercase letters) press prior to each letter, There is a similar chapter for the TI-89. If you have a TI-85 or TI-86, you might want to check out the complete chapter Using Your TI-85, TI-86, or TI-89 Equation Solver Using Your TI-85,
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