PreparED Study Materials
Notes
Videos
Denver Pressure Conversion: Atmospheres mmHg psi & Pascals Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Converting Denver's average pressure of 24.9 in. Hg into various units. This video provides clear steps to determine equivalents in millimeters of mercury atmospheres pounds per square inch and pascals. Understand the relationships and conversions between these common pressure units.
Pure Substances vs. Mixtures: Classifying Based on Composition & Distr
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Understand the fundamental distinctions between pure substances and mixtures. Unpack the definitions and real-world examples of elements, compounds, homogeneous, and heterogeneous mixtures.
Synthesis, Decomposition Reactions, and Oxidation-Reduction
Want To Learn More? To watch the entire video and ALL of the videos in the series:
We explore synthesis and decomposition reactions, showcasing examples like the formation of water and its breakdown into simpler substances. We also clarify that while many of these reactions are redox reactions involving electron transfer, some synthesis and decomposition reactions may not necessarily be redox reactions, as seen in specific examples.
Understanding Barometers: How Do They Measure Pressure?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Join us in this enlightening video as we delve into the inner workings of barometers. Discover how these essential weather instruments operate, using a column of mercury to measure pressure. We'll explore the principles behind this ingenious device and help you understand the science behind pressure measurement. Whether you're a weather enthusiast or a science lover, this video will provide valuable insights into the fascinating world of barometers.
Iron Nail Heating: Finding Temperature After 15J Transfer
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the process of determining the final temperature of an iron nail after heat absorption. Using the specific heat capacity of iron and the heat transfer formula, we calculate the temperature increase and reveal the nail's new thermal state. This tutorial offers a clear understanding of how materials respond to heat.
The mass of a sugar crystal with 1.8 × 10¹? sucrose molecules
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video guides you through calculating the theoretical yield of a product in moles for a given chemical reaction by identifying the limiting reactant. It explains how to determine the limiting reactant for different quantities of reactants and then calculates the corresponding moles of the product, ensuring an accurate theoretical yield estimation.