Acids vs Bases In chemistry‚ when some elements are mixed‚ the compounds that are formed can be classified depending on its characteristics‚ just like acids and bases. Acids are defined as compounds that donate a hydrogen ion‚ H+‚ to another compound. Bases are the chemical opposite of acids. They both are different in many ways. One way in which acids and bases differ is the pH and the pOH. The pH is a number used to denote the hydrogen-ion concentration‚ or the acidity‚ of a solution. In the
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Does the amount of time that orange juice is swished in a human mouth affect the pH of the saliva‚ which could inhibit the digestion of the starches in the orange juice? Hypothesis: The longer 2 mL of orange juice is held in a test subject’s mouth‚ the greater the ability of the test subject’s saliva will become to break down starches. Dependent Variable: pH of the saliva. Independent Variable: time that the juice is swished in the mouth. Controlled Variables: Orange juice only. The
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The average contents (±SD) of kaurenoic acid in the Araliae Continentalis Radix extract powder were estimated as 1.147±0.008 mg in 1.0054 g‚ usual dose of Araliae Continentalis Radix. Quantification of kaurenoic acid UPLC–MS/MS has been emerging as a powerful analytical technique for the determination of analyte in biological samples to improve sensitivity and selectivity. Herein‚ we developed a simple‚ selective‚ and sensitive bioanalytical UPLC-MS/MS method for the quantification of kaurenoic
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Experiment no. 1: PHYTOCHEMICAL SCREENING INTRODUCTION Phytochemicals are define as the chemical compounds found or produced by the plants. The term is also define as the chemicals from the plant that may affect health [1]. This compounds are non-essential compounds which means that they are not required by the human body for sustaining life. There are more than thousand known phytochemicals. Some of the well-known phytochemicals are lycopene in tomatoes‚ isoflavones in soy and flavanoids in
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Research Plan Title: In vitro Antibacterial Activity of Santol (Sandoricum koet jape) at Different pH of Agar School : Ramon Magsaysay (Cubao) High School School Address: Ermin Garcia St.‚ Cubao Quezon City Research Adviser: Mr. Ryan D. Balandra Statement of the Problem The aim of the study is to identify the effect of different pH level of the Agar plate to the antibacterial activity of Santol (Sandoricum koet jape). Specifically‚ the study will seek for the answer of the question:
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Observations of Chemical Changes Purpose/Hypothesis: To observe how acids react with bases and examine reactions of common household cleaners and the macroscopic changes these chemicals undergo. I expect for each solution to react differently when mixed with acids and bases. Procedure: I have a well-plate-96‚ a piece of white and black paper‚ and the chemicals from the Observation of Chemical Changes Experiment Bag. I used a different well for each combination of solutions. I placed two
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Acids and Bases Shane Purpose- To study the relationship between pH and metabolism. 10/21/13 Materials- see attached Per. D Biology Procedure- see attached Data and Results- see attached Theory- PH stands for the power of hydrogen. People refer to the pH scale as a tool for finding out if a substance is acidic‚ basic‚ or neutral. This scale goes from zero to fourteen. The number seven is neutral. Any number higher than seven on this scale is basic. Any number lower is acidic
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Definition of ’Market Indicators’ A series of technical indicators used by traders to predict the direction of the major financial indexes. Most market indicators are created by analyzing the number of companies that have reached new highs relative to the number that created new lows‚ also known as market breadth. What is active management? Actively managed investment funds are‚ like their namesake‚ run by a professional fund manager or investment research team‚ who make all the investment decisions
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November 30‚ 2012 | Social Indicators of Women’s Status in America | -- | | Rachel Herrera | 11/30/2012 | The progress of women in America in the fields of; Education‚ Employment and income | Rachel Herrera Sociology 106 Chhuon 11-30-2012 Social Indicator of Women’s Status When you think of minority groups in American a few groups might pop into mind. Maybe African-Americans‚ Mexican-Americans or even Native-Americans would come first. But for centuries women
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| 10/19/2011 | | | | How to Make Litmus Paper English Lesson: Procedure | | | | | | Dianne Anderson from class 7-3 | How to Make Litmus Paper English Lesson: Procedure Litmus paper is a paper that can indicate the level of acid or base of some substances. Litmus paper usually made from absorbing paper that contains red cabbage essence. Litmus paper is commonly used in school and university laboratory. Below are the steps how to make Litmus paper. Ingredients/Tools: * A
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