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2 La + 3 S → La 2 S 3. It can also be prepared from the effect of hydrogen sulfide on lanthanum: 2 La + 3H 2 S → La 2 S 3 + 3 H 2. The effect of hydrogen sulfide on lanthanum oxide in the presence of reducing agents also produces lanthanum(III) sulfide: La 2 O 3 + 3 H 2 S + 3 C → La 2 S 3 + 3 CO 2 + 3 H 2
A bar review is a series of classes that most law school graduates in the United States attend prior to taking a bar examination, in order to prepare for that exam. [1] A typical bar review course will last for several weeks, beginning a few weeks after law school graduation and running until a few weeks before the next administration of the bar examination.
(For example, a B in a regular class would be a 3.0, but in honors or AP class it would become a B+, or 3.33). Sometimes the 5-based weighing scale is used for AP courses and the 4.6-based scale for honors courses, but often a school will choose one system and apply it universally to all advanced courses.
A course evaluation is a paper or electronic questionnaire, which requires a written or selected response answer to a series of questions in order to evaluate the instruction of a given course. The term may also refer to the completed survey form or a summary of responses to questionnaires.
The series was translated into a number of foreign languages. [7] Although the course was influential in physics education worldwide, the book series sold better in foreign markets than in the US, possibly because students in other countries specialized earlier and were therefore better prepared mathematically than US students. [8]
Peer instruction is a teaching method popularized by Harvard Professor Eric Mazur in the early 1990s. [1] [2] Originally used in introductory undergraduate physics classes at Harvard University, peer instruction is used in various disciplines and institutions around the globe.
The Princeton Review is an education services company providing tutoring, test preparation and admission resources for students. It was founded in 1981, [1] and since that time has worked with over 400 million students.
Palmyra October 23d 1830 Dear Sir Your letter of yesterday is received & I hasten to answer as fully as I can—Joseph Smith Jr first come to my notice in the year 1824 in the summer of that year I contracted with his father to build a fence on my property in the corse [] of that work I approach Joseph & ask how it is in a half day you put up what requires your father & 2 brothers a full day ...