Data Table
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This data table contains information about 5 rock samples including their overall color, composition, texture, rock type, and specific rock name. The colors include black, silver, tan, and the compositions range from single elements like carbon to complex mineral formulas. The textures are mostly hard and rocky with one soft sample. The rock types identified are metamorphic, igneous, and sedimentary with examples being anthracite, augite, basalt, bauxite and bituminous coal.
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Analytical chemistry has been important since the early days of chemistry and provides methods to determine what elements and chemicals are present in a sample. Traditional techniques like qualitative analysis to determine presence/absence of compounds and quantitative analysis methods like gravimetric analysis and titration, along with modern instrumental techniques like spectroscopy, mass spectrometry, and chromatography, form the foundation of analytical chemistry. New hybrid techniques that combine multiple analytical methods are also increasingly used.
Analytical chemistry
This document discusses analytical chemistry methods, including both classical and instrumental methods. Classical methods involved separating, identifying, and quantifying analytes using techniques like precipitation, extraction, distillation, and titration. Instrumental methods measure physical properties like conductivity, potential, light absorption, and fluorescence to analyze inorganic, organic, and biochemical analytes. Modern electroanalytical techniques provide very low detection limits and characterization information by measuring current, potential, resistance, capacitance, or charge related to redox processes at electrode interfaces. Common electroanalytical methods are discussed, along with fundamental terminology and concepts in electrochemistry.
Computer Languages....ppt
The document discusses human and computer languages. It defines computer languages as those that allow users to command computers through algorithms. There are two types of computer languages: low-level and high-level. Low-level languages like machine code and assembly languages provide little abstraction from hardware and are used for first and second generation computers. High-level languages like C, Java, and Visual Basic provide more abstraction and are easier for humans to use. They were introduced for third generation computers.
Algorithms and Flowcharts
This presentation covers all the basic fundamentals of Algorithms & Flowcharts.
( Included examples )
Introduction to flowchart
Flowcharts are used to represent algorithms and processes using graphical symbols. They contain symbols that represent actions, decisions, or connections between steps. The key flowchart structures are sequence, selection, and repetition. Sequence shows steps executed in order. Selection, or decision, determines which steps occur based on a condition being true or false. Repetition allows steps to be repeated as long as a condition is met. These basic structures can be combined to model complex processes and algorithms.
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