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Apr
24
comment Ideal gas equation and atmosphere of Venus
Do you know what a supercritical fluid is?
Apr
22
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Mar
30
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Feb
8
asked What is the velocity of a given ion in aqeous solution?
Jan
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Dec
29
comment Max Acceleration on an incline? (2010 F=ma #8)
Draw a free body diagram.
Dec
25
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1
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Aug
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comment How does gravitational lensing account for Einstein's Cross?
For future readers: the two saddles were on opposite sides of the origin and corresponding to two of the 4 light points making up Einstein's cross. The other two light points were at the sources.
Jul
29
accepted What causes a eutectic point?
Jul
29
comment What causes a eutectic point?
Beautiful diagrams! A tie line is an isotherm? The nearly horizontal red line, which is the common tangent between the fcc Ag(Ge) phase and the diamond Ge(Ag) phase, is not a traditional phase boundary. Rather it is a pseudomorph phase boundary. Is that a common feature of eutectics: the intersection of the free energy lines for a pseudomorphic phase boundary and its corresponding liquid?
Jul
29
asked What causes a eutectic point?