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General chemistry (sometimes referred to as "gen chem") is offered by colleges and universities as an introductory level chemistry course usually taken by students during their first year. [1] The course is usually run with a concurrent lab section that gives students an opportunity to experience a laboratory environment and carry out ...
Seed investors SV Angel and Maveron also participated. [5] In February 2020, the company raised a further $10 million in Series B Funding, valuing the company at over $1 billion. The Series B round was led by NewView Capital, whose founder and managing partner, Ravi Viswanathan, joined Course Hero's board of directors.
LibreTexts' current primary support is from the 2018 Open Textbook Pilot Program award from the Department of Education Organization Act. [7] [10] [5] [11] FIPSE [12] Other funding comes from the University of California Davis, the University of California Davis Library, [5] and the California State University System both through MERLOT and its Affordable Learning Solutions (AL$) program.
The ideal length for a video lesson is widely cited as eight to twelve minutes. [4] [5] Flipped classrooms also redefine in-class activities. In-class lessons accompanying flipped classroom may include activity learning or more traditional homework problems, among other practices, to engage students in the content.
Open educational resources (OER) [1] are teaching, learning, and research materials intentionally created and licensed to be free for the end user to own, share, and in most cases, modify. [2] [3] The term "OER" describes publicly accessible materials and resources for any user to use, re-mix, improve, and redistribute under some licenses. [4]
This is an accepted version of this page This is the latest accepted revision, reviewed on 8 March 2025. Educational assessment For other uses, see Exam (disambiguation) and Examination (disambiguation). Cambodian students taking an exam in order to apply for the Don Bosco Technical School of Sihanoukville in 2008 American students in a computer fundamentals class taking an online test in 2001 ...
Study skills are generally critical to success in school, [4] considered essential for acquiring good grades, and useful for learning throughout one's life.While often left up to the student and their support network, study skills are increasingly taught at the high school and university level.
The bond length gets bigger as the periodic table is descended with lengths of 1.96, 2.41, 2.90, 3.10, and 3.38 Å for Li + He, Na + He, K + He, Rb + He, and Cs + He. The dissociation energies are 1.9, 0.9, 0.5, 0.4 and 0.3 kcal/mol, showing bond energy decreases. When the molecule breaks up the positive charge is never on the helium atom. [70]