Chem 121 Study guides, Class notes & Summaries

CHEM 121 FINAL EXAM Questions and Answers Updated (2023 / 2024) (Verified Answers)- PORTAGE LEARNING

Title: Quantitative and Qualitative Analysis Purpose: The purpose of this experiment is to learn how to measure the amount of a substance that is present in a chemical compound. A metal carbonate will be analyzed to determine how much CO2 and moles of CO2 are lost. Another experiment will also look into how much water a hydrate loses and determine what type of hydrate it is. Paper chromatography will be used to determine the identity of chemical substances. Lastly, SEM/EDX will be used to d...

1. Convert 1005.3 to exponential form and explain your answer. 2. Convert 4.87 x 10-6 to ordinary form and explain your answer. Your Answer: 1.) Convert 1005.3 to exponential form and explain your answer: All number values must be between 1-10. Because this value is greater than 1, the exponent remains positive. In order for this to happen, we have to move the decimal three places to the LEFT thus, the exponential form of 1005.3 is: 1.0053 X 103

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Experiment #: 2 Title: Density Determination Purpose: The purpose of this experiment is to learn how to calculate the density of both liquids and solids in the chemistry lab by finding the volume and mass of different substances. Procedure: Density Determination of Water: 1) A graduated cylinder is to be filled with water 2) The temperature is taken using a digital thermometer of the water in the graduated cylinder 3) A value is read and recorded in ºC for the temperature of the water ...

CHEM 121 Lab Report 1: Equipment, Safety, and Mass/Volume Measurement

CHEM 121 FINAL EXAM 2024 Questions and Answers- PORTAGE LEARNING

CHEM 121 Lab Report 5: Bonding Type by Solubility, Distillation, and Spectroscopy

CHEM 121 Lab Report 6: Measuring Kand Shifting Chemical Equilibria

CHEM 121 Lab Report 4: Reaction Chemistry