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Dorn Wants Delay in Graduation Requirements

Dorn Wants Delay in Graduation Requirements

from KUOW News Podcast on November 20, 2009
Duration: 0
Randy Dorn plans to ask the Washington State Legislature to delay high school graduation requirements in math and science. Dorn is State Superintendent of Public Instruction. He announced his request in Seattle Thursday. KUOW's Phyllis Fletcher reports.
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Combined Gas Law I: Converting the Volume to STP

Combined Gas Law I: Converting the Volume to STP

from recent posts tagged chemistry - blip.tv (beta) on November 19, 2009
Duration: 114
This is the most common type of Combined Gas Law problem in high school chemistry. A volume of gas is collected at some given pressure and temperature (usually C) and you are asked to "correct" that volume to what it would be at standard temperature and pressure.
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An Illustration of the Size of Avogadro's Number

An Illustration of the Size of Avogadro's Number

from recent posts tagged chemistry - blip.tv (beta) on November 19, 2009
Duration: 155
Avogadro's Number (6.022 x 1023) is a very, very large number. This calculation attempts to give you a sense of the immense size of Avogadro's Number.
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Combined Gas Law II: Converting the Volume of Wet Gas to STP

Combined Gas Law II: Converting the Volume of Wet Gas to STP

from recent posts tagged chemistry - blip.tv (beta) on November 19, 2009
Duration: 192
Wet gas means that the gas has been collected over water and, consequently, is saturated with water vapor. Dalton's Law of Partial Pressures is used to subtract out the pressure of the water vapor, allowing us to calculate the pressure of the dry gas. Only then can the Combined Gas Law be used.
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Combined Gas Law III

Combined Gas Law III

from recent posts tagged chemistry - blip.tv (beta) on November 19, 2009
Duration: 126
A common Combined Gas Law problem will specify that the pressure and temperature change by some factor (double, cut in half, etc.) without specifying any numbers. How does one go about solving such a problem? This video explains how.
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NEVER have sex on the beach!

NEVER have sex on the beach!

from recent posts tagged teen - blip.tv (beta) on September 25, 2009
Duration: 218
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