PreparED Study Materials
CHM 1040: Chemistry Skills and Reasoning
School: Wayne State University
Number of Notes and Study Guides Available: 24
Notes
Study Guides
Videos
Classifying the Boiling of Water: Physical or Chemical Change? Justify
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This video tackles the classification of boiling water as either a physical or chemical change, examining the provided options. We conclude that boiling is a physical change, as the water's chemical composition remains the same during the transition from liquid to gas.
Reaction Unveiled: From Nitrogen Dioxide & Hydrogen to Ammonia & Water
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Explore the intriguing reaction of gaseous Nitrogen Dioxide and Hydrogen, resulting in the formation of Ammonia and Water. Grasp the significance of balanced chemical equations in respecting the law of conservation of mass. Dive into the properties and characteristics of each involved compound.
Counting Oxygen Atoms in Various Molecular Sets
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Discover the simple yet essential method for counting the number of oxygen atoms in different molecular sets, including molecules and ions.
Calculate a Building's Age Using Nickel-63 Decay
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The scenario involves an archaeologist analyzing iron in an old building containing nickel-63, which has a known half-life of 92 years. With only 0.78% of the original nickel-63 remaining, the goal is to estimate the year when this discovery was made. We delve into the calculations and principles of first-order decay reactions.
Understanding Polar & Nonpolar Molecules: From Diazene to Nitrogen Dio
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Explore the properties of various molecules like diazene, hydrogen peroxide, and carbon tetrafluoride. Understand the influence of molecular shape and electronegativity on polarity. Discover why some are polar while others are nonpolar based on their structure.
Net ATP Yield from Oleic Acid (18:1 ??) Calculation
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Join us in this video as we dive into the intricacies of calculating the net ATP yield from oleic acid (18:1 ??). We'll provide a step-by-step guide and offer helpful hints to ensure an accurate calculation, including a critical step that bypasses acyl-CoA dehydrogenase.