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Information about exams, grades, and assignments for the molecular design institute course at new york university. It includes details about exam handback, regrade requests, exam scores, and quizzes. Additionally, it provides instructions for calculating the molar mass of a substance using ideal gas law and sample problems for understanding partial pressures and kinetic-molecular theory.
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MOLECULAR DESIGN INSTITUTE I NEW YORK UNIVERSITY 1
MOLECULAR DESIGN INSTITUTE I NEW YORK UNIVERSITY 2
MOLECULAR DESIGN INSTITUTE I NEW YORK UNIVERSITY 4
SAMPLE PROBLEM: USING IDEAL GAS LAW
Poll Everywhere question
SAMPLE PROBLEM: CALCULATING PARTIAL PRESSURES
IDEAL GAS LAW – OTHER RELATIONSHIPS Temperature : Root-Mean-Square Speed (RMS, uRMS) :
RELATIONSHIP BETWEEN MOLAR MASS & MOLECULAR SPEED 3RT MM uRMS = At constant T, heavier particles will be moving slowly on average.
VAN DER WAALS EQUATION ! = #$% & − #( − )
& !
TYPES OF ENERGY Thermal Energy : the kinetic energy associated with the random motion of atoms and molecules. Kinetic Energy : energy available due to the motion of an object. Potential Energy : energy available due to the position of an object. (in a force field, e.g., gravity, electric field, magnetic field…) Chemical Energy : the form of energy stored within the structural units of chemical substances.
SYSTEMS AND SURROUNDINGS System: the part of the universe that is of interest to us. Surroundings: the remainder of the universe. Open: Closed: Isolated: The System can be: