# CHEM 1151: Survey of Chemistry I

### School: Georgia State University

Number of Notes and Study Guides Available: 24

### Videos

##### Dilution Calculations: Copper(II) Nitrate, Calcium Chloride, Lithium C

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Learn how to perform dilution calculations for solutions, including copper(II) nitrate, calcium chloride, and lithium carbonate, to achieve specific concentrations.

##### Ethylene Glycol & Freezing Point in Antifreeze

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We explore the impact of increasing the concentration of ethylene glycol in an antifreeze mixture, explaining the resulting effect on the freezing point of the solution by examining its interaction with water molecules.

##### Calculating Water's Final Temp after a 345 kJ Heat Boost

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Discover how to determine the final temperature of a water sample after heat absorption. Utilizing the concept of specific heat capacity and the formula q = mc?T, we calculate the change in temperature and reveal its new state. Experience the transformation from an initial tepid state to a drastically altered thermal condition.

##### Classifying Substances: From Pure Elements to Mixtures Explained

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Classify substances into various categories: element compound homogeneous mixture and heterogeneous mixture. This video breaks down the fundamental distinctions between pure substances and mixtures illustrating with real-world examples like urine pure water a Snickers™ bar and soil. A concise guide for understanding the essence of material classification in chemistry.

##### Nickel(II) Nitrate Solution Composition Analysis

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In this analysis, we determine the composition of a solution prepared by dissolving 12.15g of nickel(II) nitrate in 175mL of water (density 1.00 g/mL). The mass percent of nickel(II) nitrate is found to be approximately 6.50%, and the mole fraction of nickel(II) ions in the solution is calculated as 0.00672.

##### Oxidizing & Reducing Agents: Electron Exchange Demystified

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Explore the world of oxidizing and reducing agents in chemistry. Gain a clear understanding of what they are and how they function without delving too deep into the subject matter.