PreparED Study Materials

CHEM 112: Honors MYP Chemistry

School: International Academy

Number of Notes and Study Guides Available: 2

Notes

Study Guides

Videos

Ethylene Glycol: Mass and Volume Calculations
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Explore how to calculate the mass and volume of ethylene glycol, a common antifreeze, using its density. Understand the essentials of density-related calculations.

Determining Moles of Released Ions in Dissolution Reactions
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When an ionic compound dissolves in water, it undergoes dissociation into its constituent ions. The total moles of ions released is determined by adding up the moles of each ion generated during this dissociation process. In the case of (a) disodium hydrogen phosphate (Na?HPO?), it dissociates into two sodium ions and one hydrogen phosphate ion. For (b) copper(II) sulfate pentahydrate (CuSO? · 5H?O), it dissociates into one copper ion and one sulfate ion. In (c), nickel(II) chloride (NiCl?) diss

What is a propeller twist?
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Unravel the concept of propeller twist and its role in aviation and marine propulsion. We'll delve into the science and engineering behind this intriguing phenomenon, shedding light on its applications and significance.

Animal and Plant Energy Storage: Fats and Oils Explained
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This video delves into the fascinating world of energy storage in animals and plants, offering insights into why fats are the primary energy storage compound in animals (except muscles) and why plants opt for alternative strategies instead of using fats and oils.

Mole Count in Elemental Samples (Zn, Ar, Ta, Li)
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This video outlines the process of calculating the number of moles in various elemental samples. It begins by explaining the relationship between molar mass and atomic weight. Each sample's mass is divided by the respective element's molar mass to find the number of moles. It provides detailed calculations for four elemental samples: zinc (Zn), argon (Ar), tantalum (Ta), and lithium (Li), converting results to scientific notation where necessary. The script demonstrates how to determine the mole

Chemical Formulas: CaI?, N?O?, SiO?, ZnCl? for Atom Ratios
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Unlock the world of chemical formulas and their atom ratios. Learn to write compounds like CaI?, N?O?, SiO?, and ZnCl? in this chemistry tutorial.

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