Khan Academy [ khanacademy.listubes.com ]
7,713 videos, +5,400,000 subscribers



timeviews
Showing segment congruence equivalent to having same length6:451,286
Area models for multiplying expressing with negative terms5:176,967
Hydrogen bonds6:395,501
Intermolecular forces and vapor pressure6:406,882
Ion-dipole forces4:404,743
Dipole dipole forces6:467,234
Guided meditation for procrastination7:0021,707
Guided meditation visualizing thoughts as the surface of an ocean7:296,157
London dispersion forces9:434,654
Guided meditation for high school students12:5115,524
The development of an American culture | AP US History | Khan Academy9:589,713
Showing segment congruence equivalent to having same length4:562,871
Idea behind hypothesis testing9:5816,129
Conclusion for a two sample t test using a P value2:499,704
Dilating shapes: shrinking | Performing transformations | High school geometry | Khan Academy2:264,466
Health insurance primer8:2712,932
Mapping shapes | Performing transformations | High school geometry | Khan Academy8:504,182
The Court in Action | AP US Government and Politics | Khan Academy6:125,755
Help Jason Give Back to Khan Academy1:4319,932
Formal charge | Molecular and ionic compound structure and properties | AP Chemistry | Khan Academy7:3013,762
Millions Learn for Free, Made Possible by People Like You1:109,981
Resonance | Molecular and ionic compound structure and properties | AP Chemistry | Khan Academy7:2410,655
Exceptions to the octet rule | AP Chemistry | Khan Academy7:104,248
Worked example: Lewis diagram of xenon difluoride (XeF₂) | AP Chemistry | Khan Academy3:113,054
Worked example: Lewis diagram of the cyanide ion (CN⁻) | AP Chemistry | Khan Academy4:284,871
Drawing Lewis diagrams | AP Chemistry | Khan Academy7:804,027
Worked example: Lewis diagram of formaldehyde (CH₂O) | AP Chemistry | Khan Academy6:802,123
Give a gift that will change a life.0:2132,605
Causation from 1980-20209:4311,821
Worked example: Using formal charges to evaluate nonequivalent resonance structures | Khan Academy8:206,221
Structure of alloys6:303,334
Structure of ionic solids5:433,502
All in for Education Livestream with Sal Khan39:5715,539
Lattice Energy8:103,696
All in for Education with Khan Academy. Give today!1:1016,719
Interpreting potential energy and internuclear distance graph5:213,910
You Can Learn Anything (30 sec)0:318,693,941
Bond distance and potential energy6:425,768
Spectrum of bonds and electronegativity4:435,715
Types of bonds between metals and non metals5:124,502
Electron configuration of ions3:568,899
Khan Stories: Jason Spyres4:7031,659
What to do the night before an exam: 3 tips from Sal Khan1:2539,332
Ionic bonds4:109,838
Covalent and polar covalent bonds5:434,216
Metallic bonds3:004,407
Isotopes5:286,327
Mass spectrometry introduction4:186,684
Making line plots with fractional data3:152,273
Interpreting line plots2:451,039
Line plots with fractions3:36816
Measure lengths to nearest 1/42:13999
Multiplication and division relationship for fractions3:352,181
Dividing fractions and whole number word problems4:261,027
Fraction division in context3:22688
Mass spectrum for identifying element3:214,322
Calculating percent mass of an element5:383,493
Example calculating moles in mass of sample5:496,202
How to reduce test prep anxiety: 3 tips from Sal Khan4:4248,841
Course Mastery Sal (intro only)2:6030,867
Mastery Learning in Mr. Vandenberg’s Class4:498,602
Continuity and change in American society, 1754-1800 | AP US History | Khan Academy9:1110,322
Introduction to the mole and Avogadro's number8:5710,184
Introduction to average atomic mass8:388,924
Subtracting fractions with unlike denominators introduction3:369,399
Emperical formula from mass composition4:352,407
Adding fractions with unlike denominators introduction4:206,538
Fraction multiplication as scaling examples3:385,469
Estimating adding fractions with unlike denominators4:572,795
Coulomb's Law and trends in the periodic table10:4311,636
Groups, valence electrons and ionic compounds7:552,592
Example using ionization energies to identify element2:312,171
Groups of the periodic table7:413,598
Introduction to photoelectron spectroscopy8:241,551
Aufbau principle for electron configuration7:532,918
Introduction to photoelectron spectroscopy8:241,533
Percent composition of mixtures6:411,139
Valence electrons5:111,251
Orbitals, shells and energy levels9:4110,285
Introduction to electron configuration5:805,065
Worked example Percent composition of a mixture5:213,631
Percent composition of mixtures6:291,960
Empirical formula from combustion reaction10:20900
Example comparing mass percentages of element in comounds3:00600
Effects of transatlantic voyages, 1492-1607 | Khan Academy | AP US History7:246,525
Equivalent fractions on number lines4:344,491
Comparing fractions word problems5:701,112
Equivalent fractions with models5:364,567
Subtracting mixed numbers with regrouping3:00947
Multiplying mixed numbers2:24815
Fraction multiplcation on the number line3:10524
Mixed number subtraction2:181,143
Mixed number addition with regrouping3:401,058
Adding mixed numbers with like denominators2:53398
Reform in the Gilded Age | AP US History | Khan Academy8:806,464
Area models for factoring expressions3:504,415
Multiplying expressions with area models4:601,662
Interpreting features of a quadratic model2:371,216
Worked examples factoring completely4:001,299
Exponential decay word problems4:00716



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