increases/decreases reaction rates. The variables we used are hot/cold and room temperature water‚ a equal mixture of HCL and water‚ A equal mixture of NaOH and water‚ either a whole‚ broken‚ or finely crushed Alka-seltzer tablet. The fastest rate average was at 0.04 s (finely crushed Alka-seltzer with room temp. water). The slowest rate average is 8.02 s (Alka-seltzer with cold water). Introduction The theory of this experiment is to determine what factors or variables affect the rate of a reaction.
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Lab 3: Reaction Order and Rate Laws Name: Student Lab Partners: None Date of Experiment: 16 March 2014 Location: My House Course Number: CHE112 Abstract: When combining compounds‚ there are always two roles considered in the reaction. These are reactants and products. Reactants are the initial compounds before mixing. The products are synonymous with the term byproduct‚ or what remains when the reaction occurs. For example‚ Sodium (Na+) and Chlorine (Cl-)
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temperature‚ heart rate‚ breathing rate‚ and blood pressure. The controlled variable is a neutral pH level of 7 for the water that the frog is placed in‚ so that it does not obscure the effects of the water temperature on the frog’s physiological factors. Controlling Variables In this investigation‚ we will place the frog in a cool or normal water temperature‚ then in warm water‚ and lastly in ice cold water. For each water temperature‚ we will measure the frog’s heart rate‚ breathing rate‚ body temperature
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Chemestry Lab Rates of Reaction (Picture from: http://sciencespot.net/Pages/kdzchem.html) The rate of reaction is how fast or slow a reaction is completed. This is important for factories and chemists all over the world. What happenes during a reaction is atoms or molecules that collide and form new molecules. You can affect this rate of reaction with: temperature of reactants or suroundings‚ surface area of reactants‚ if there is a catalyst present‚ but in theis lab the concentration was changed
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Chapter 6 Measuring Vital Signs Unit 1: Temperature‚ Pulse‚ and Respiration UNIT RATIONALE Important indicators of your patient’s/client’s health status are known as vital signs. Vital signs give you information about breathing‚ body temperature‚ and the heart. They are a good indication of how well the body systems are functioning. As a health care worker‚ you need to observe patients whenever you are near them. Your knowledge of vital signs and how to measure them helps you know when to report
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Melissa Carrithers AP Chemistry 12/17/14 Rate Law Determination Pre-Lab Purpose: The purpose of this lab is to observe the reaction between sodium hydroxide and crystal violet so that the order of the reaction could be determined along with the rate constant‚ k‚ and the half-life for this reaction. Hypothesis: If the reaction between crystal violet and sodium hydroxide reacts appropriately‚ then the order will be first order. Procedure: Mix 10 mL of sodium hydroxide and crystal violet solution
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maybe a little longer than that) Table of Contents Outline: I. HEAD TO TOE ASSESSMENT IN 5 MINUTES or MORE II. ASSESSMENT BY BODY SYSTEMS III. SPECIAL CONSIDERATIONS FOR THE CLIENT WITH DEVELOPMENTAL DISABILITIES IV. VITAL SIGNS - TEMPERATURE‚ PULSE‚ RESPIRATION‚ BLOOD PRESSURE V. NEUROLOGICAL ASSESSMENT VI. HEART ASSESSMENT VII. AUSCULTATION OF BREATH SOUNDS VIII. MENTAL STATUS EXAM IX. SHORT PORTABLE MENTAL STATUS QUESTIONNAIRE (SPMSQ) X. HEAD TO TOE ASSESSMENT CHECKLIST XI. SAMPLE CHARTING
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Analysis of Orthostatic Vital Signs The purpose of this assignment was to measure‚ document and analyse six recordings of orthostatic blood pressure‚ orthostatic pulse and respiratory rate on my lab partner. Orthostatic Hypotension is a condition when there is a drop in systolic pressure of more than 20 mm Hg‚ or orthostatic pulse increases of 20 bpm or more which occurs due to a quick change to a standing position (Jarvis‚ pp. 163). Six recordings were taken over a certain period of time to better
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- used to assess: color‚ rashes‚ scars and body structures. • PALPATION – assessing by the use of touch. - used to assess: texture‚ temperature‚ vibration‚ position‚ mobility of organs‚ distension‚ peripheral pulse‚ tenderness and pain. • PERCUSSION – tapping body parts to produce sounds. - used to determine: characteristics of tissues‚ borders of internal organs. - used to elicit: flatness‚ dullness‚ resonance‚ hyper-resonance
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Introduction: Heart rate and blood pressure are key factors in determining overall physical health. Together they establish how well the cardiovascular and circulatory systems are functioning‚ which is important in engaging in appropriate exercise safely. It is important to know and understand the resting vitals of an individual to establish a baseline of what is within normal ranges for that individual. We take resting vitals to ensure that physical activity does not cause any undue stress that
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