Chris R's Enrolled Lessons
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18 minFREEEconomics lessonFree10 CQ
What is the blockchain? If you don't know, you should; if you do, chances are you still need some clarification on how it actually works. Don Tapscott is here to help, demystifying this world-changing, trust-building technology which, he says, represents nothing less than the second generation of the internet and holds the potential to transform money, business, government and society.
with Don TapscottWhat is the blockchain? If you don't know, you should; if you do, chances are you still need some clarification on how it actually works. Don Tapscott is here to help, demystifying this world-changing, trust-building technology which, he says, represents nothing less than the second generation of the internet and holds the potential to transform money, business, government and society.
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13 minComputer Science lesson7 CQ
In this lesson, explore the elements of a CCNA network and learn how to draw a network scheme. And, learn why networks of businesses today are busier than ever.
with Andrew CrouthamelIn this lesson, explore the elements of a CCNA network and learn how to draw a network scheme. And, learn why networks of businesses today are busier than ever.
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3 minFREEChemistry lessonFree2 CQ
Learn to distinguish solids from liquids and gases, differentiate chemical changes from physical changes, and identify elements, compounds, and mixtures.
Learn to distinguish solids from liquids and gases, differentiate chemical changes from physical changes, and identify elements, compounds, and mixtures.
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3 minChemistry lesson2 CQ
Learn how to determine the number of significant figures in a number, round accurately, and add, subtract, multiply, and divide numbers with sig figs.
Learn how to determine the number of significant figures in a number, round accurately, and add, subtract, multiply, and divide numbers with sig figs.
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4 minChemistry lesson3 CQ
Learn how to use scientific notation to represent big and small numbers in a clean fashion. Then look at dimensional analysis and scientific unit conversion.
Learn how to use scientific notation to represent big and small numbers in a clean fashion. Then look at dimensional analysis and scientific unit conversion.
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4 minChemistry lesson3 CQ
Take a historical stroll down chemistry lane. Learn how early atomic truths were unveiled, and take a look at some of the early atomic structure models.
Take a historical stroll down chemistry lane. Learn how early atomic truths were unveiled, and take a look at some of the early atomic structure models.
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4 minChemistry lesson3 CQ
Knowing how to read nuclear symbols is an important chemistry skill. In this lesson, Professor Dave shows you how to interpret them with ease.
Knowing how to read nuclear symbols is an important chemistry skill. In this lesson, Professor Dave shows you how to interpret them with ease.
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3 minChemistry lesson2 CQ
Begin by looking at the construction of a chemical equation and discovering what it means. Then, practice balancing a few chemical equations in this lesson.
Begin by looking at the construction of a chemical equation and discovering what it means. Then, practice balancing a few chemical equations in this lesson.
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5 minChemistry lesson3 CQ
Professor Dave offers an easy-to-understand explanation of moles, stoichiometry, and the rules for solving stoichiometric calculations in this chemistry lesson.
Professor Dave offers an easy-to-understand explanation of moles, stoichiometry, and the rules for solving stoichiometric calculations in this chemistry lesson.
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4 minChemistry lesson3 CQ
Professor Dave explains limiting reagents in an easy-to-understand fashion. Learn to calculate the amount of end product, percentage yield, and more.
Professor Dave explains limiting reagents in an easy-to-understand fashion. Learn to calculate the amount of end product, percentage yield, and more.