In column chromatography a mixture is dissolved in a solvent and poured over a column of solid adsorbent then eluted with the same or a different solvent. This method is…
Chemical Reactions: Combustion: Lab Worksheet and Rubric Before You Begin: You may either copy and paste this document into a word processing program of your choice or print this page….
As the name suggests, macromolecules are large molecules that make up more than 90% of the total cell mass. These biological macromolecules vary greatly in size – from several hundred…
The reaction rate of a chemical reaction is determined as the change in the concentration of a reactant or product over the change in time. [1] The rate of a…
Write a 350- to 700-word paper in which you explain the importance of chemistry in your life and in society. Include the following information: · Describe the scientific method. Explain…
In my experiment I aimed to observe how ranging pH levels will affect the rate in which amylase will break down the starch molecules. I will be measuring the time…
An ecosystem comprises all living organisms, known as biotic factors, into a defined area complemented by the physical environment known as the abiotic factors. The ecosystem constitutes plants, animals, micro-organisms,…
Results: Table 1. Known Cations Detection Table Preliminary Observation of Sample -Yellowish and murky in color. -Contains tiny brown particles inside. -The consistency of the liquid is smooth and fluid….
Abstract In this lab, to help better understand the concepts of gram atomic masses and empirical formulas, we found the gram atomic masses and empirical formula of a binary compound….
Mixtures and Solutions can often become confusing because solutions are mixtures, but not all mixtures are solutions. A mixture can either be homogeneous or heterogeneous. A homogeneous mixture is where…
Through a series of substitution reactions, different cobalt ammine complexes were created. These complexes were analyzed via, precipitation and gravimetric measures to determine that the substitution reactions that occurred. Introduction:…
This experiment is to show how much carbon dioxide is produced during the reaction between an acid (hydrochloric acid) and marble.Equipment:Hydrochloric Acid (20ml) – 0.5M, 1M, 2MMarble Chips (2g per…
I am going to investigate a factor that affects the rate of enzyme activity What are enzymes and how do they work? Enzymes are biological catalysts – catalysts are substances…
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