PHYSICAL SCIENCE physical change-changes affecting the form of a chemical substance‚Physical changes are used to separate mixtures into their component compounds Example:breaking glass Chemical changes- when a substance combines with another to form a new substance ‚called chemical synthesis. Example: burning wood Law of Conservation of Mass-The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations
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Diffusion Rate of Substances Jesselyn P. Rodriguez Group 4 Section X-2L August 13‚ 2013 ------------------------------------------------- ------------------------------------------------- ------------------------------------------------- ABSTRACT The effect of molecular weight on the rate of diffusion of substances is tested using two tests: the glass tube test and the agar-water gel test. In the glass tube test‚ two cotton balls were soaked in two different substances‚ one in hydrochloric
Free Molecular diffusion Diffusion Hydrochloric acid
DATA SOURCES: The information from Sue necessary for the substance abuse intake assessment was gathered by the police report‚ court report‚ medical history‚ and also Sue. The main purpose of the ensuing evaluation is to determine if Sue is mentally healthy and socially able to take care of herself as well as her children. She exhibits signs of mental illness (i.e. emotional distress‚ and depression); further investigation via a mental status assessment is required. REASON FOR REFERRAL: Sue was
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there is association between sexual orientation of an individual and substance use. Recent research points out that higher rates of substance abuse including alcohol among youths who self-reported that they were gender minorities or had attraction with the same sex ( Lesbian‚ Gay or Bisexual)(Faulkner et al‚ 1998‚ Garofalo et al‚ 1998‚ Hahm et al‚ 2008). The exact mechanism of the interaction between sexual orientation and substance abuse is complicated. The most common link has been studied by the
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Case Management Special Populations – Substance Abuse This paper will consider information illustrating the fact that there are many special populations that have a real need for services from social agencies. A special population can be explained as a group of people that need assistance in order to function and have as normal and productive quality of life as possible. They are unable to do this on their own because of a disability or deficiency that creates a disadvantage not necessarily
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A national sample of 4‚023 adolescents aged from 12 to 17 years of age were interviewed about substance abuse‚ experiences with victimization‚ substance abuse within their family‚ and posttraumatic reactions to identify risk factors of substance abuse. The survey was done by speaking to adolescents over the telephone and asking them questions. Of the 4‚023 people who participated‚ 3‚161 were a national probability household sample of adolescents. The other 862 people were considered a probability
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Case Analysis of Comorbid Major Depressive Disorder‚ Generalized Anxiety Disorder‚ and Substance Abuse Nicole Gapp University of Minnesota School of Nursing Case Analysis of Comorbid Major Depressive Disorder‚ Generalized Anxiety Disorder‚ and Substance Abuse Major Depressive Disorder (MDD) is a mood disorder with symptoms that greatly affect the life of the individual. MDD could in fact be called a public health crisis‚ as it is projected
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THE EFFECTS OF MOLECULAR WEIGHT ON THE RATE OF DIFFUSION OF SUBSTANCES PRINCESS AYNAH D. SANGGACALA Biology 101.1 Professor Christina A. Barazona September 15‚ 2014 THE EFFECTS OF MOLECULAR WEIGHT ON THE RATE OF DIFFUSION OF SUBSTANCES In partial fulfillment of the requirement For Biology 101.1 By Princess Aynah D. Sanggacala Professor Christina A. Barazona September 15‚ 2014 ABSTRACT The effect of molecular weight on
Free Diffusion Molecular diffusion Potassium permanganate
Introduction: What is addiction? Addictions is a condition in which the body must have a drug to avoid physical and psychological withdrawal symptoms. Addiction’s first stage is dependence‚ during which the search for a drug dominates an individual’s life. An addict eventually develops tolerance‚ which forces the person to consume larger and larger doses of the drug to get the same effect. Addiction is a condition that results when a person ingests a substance (e.g.‚ alcohol‚ cocaine‚ nicotine) or
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ISE Determination of Fluoride Content in Various Substances CHM 222 – A 4 / 20 / 2007 Introduction: The ion selective electrode used was made up of a silver / silver chloride reference electrode and a glass electrode. The pH of the electrochemical cell is determined by monitoring the electrical potential difference between the half-cells. The glass electrode is an ion selective electrode (ISE)‚ which only responds to the hydronium ion concentration / activity in a solution under a
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