PreparED Study Materials
CHEM 4228: Catalysis
School: National University of Singapore
Number of Notes and Study Guides Available: 1
Notes
Videos
Understanding Chlorine's Oxidation States in Complex Ions: A Step-by-S
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Explore how to determine the oxidation states of Chlorine in various ions using fundamental rules in chemistry. Learn the importance of oxidation numbers in understanding chemical reactions and the art of balancing chemical equations.
Balancing the Photosynthesis Equation: CO?, H?O to Glucose & O?
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Discover the balanced chemical equation for photosynthesis, where CO? and H?O produce glucose and O?. Uncover the step-by-step breakdown of the equation, ensuring atom balance. Grasp a clear understanding of this vital process in plant biology.
Iron Bar: Mass Change and Rust Formation
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Learn about mass changes in an iron bar when exposed to moist air, including the formation of rust (Fe?O?) and how to calculate the final mass.
Unveiling Earth's Crust: Calculating Silicon Mass
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Explore the fascinating process of calculating the mass of silicon in Earth's crust. Learn how to convert Earth's total mass to grams, determine the crust's mass percentage, and find the silicon's mass within the crust. Discover the scale of silicon's presence in our planet's outer layer.
Determining Base Concentration Using KHP: Indicator Choice Solution
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Discover how to choose the right indicator for a titration involving Potassium hydrogen phthalate (KHP) and a strong base. Grasp the calculations from molar mass to pH and understand why Thymolphthalein is the ideal choice for a change near pH 8.95.
The mass of a sugar crystal with 1.8 × 10¹? sucrose molecules
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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.