Name: Date: Graded Assignment Lab Report Answer the questions below. When you have finished‚ submit this assignment to your teacher by the due date for full credit. (5 points) Score 1. Which combinations of substances resulted in a chemical change? Answer: The potassium nitrate and the ammounuiam hydroxide had a chemical change. It started bubbling and getting really foggy. The calcium nitrate and ammonuiam hydroxide did nothing. It’s all clear still‚ but no chemical change. The copper nitrate
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Ideal gases: No volume‚ no intermolecular forces Atoms/Molecules that are gases at room temperature Noble Gases. H2‚ N2‚ O2‚ F2‚ Cl2. Methane‚ ethane‚ propane‚ butane Gas: Fills the container. Forces of intermolecular attraction are weak. Vapor: Gas state of a substance that is usually a liquid or solid Ek = (Kinetic energy of a gas molecule) Mu2/2. U2 = 3 (R Gas Constant) (Temperature in Kelvin) / molar mass in kg Speed goes Up with temp and down with mass Pressure: Collisions with the side of a
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RECRYSTALLIZATION AND MELTING POINT DETERMINATION OF BENZOIC ACID ANSWERS TO QUESTIONS 1. How does the use of fluted filter paper hasten filtration? Why is it advisable to place a small piece of wire between the funnel and the mouth of the flask during hot filtration? Fluted filter paper is effective in preventing crystal formation in the filter paper. It is also often used in filtering hot saturated solution used during crystallization. One major advantage of a fluted filter is that it increases
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Decomposition of Sodium Chlorate to Create Oxygen Gas Introduction: There are several types of chemical reactions. Those reactions include synthesis‚ decomposition‚ single replacement‚ and double replacement. In this experiment‚ we will be decomposing sodium chlorate to create oxygen gas. In a decomposition reaction‚ a chemical compound is being separated into elements or simpler compounds. AB → A + B is a simple way of expressing what happens in a decomposition reaction‚ AB break down into A
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~ Graded Assignment I) Name: . 1\ \ \ ~o ni-! SC1303A/304A: Chemistry 1Unit 41 Lesson 17: Unit Test I .’ / j ! Graded Assignment Unit Test‚ Part 2 Answer the questions below. You may use the periodic table in the Chemistry: Problems and Solutions book for this test. When you have finished. submit this assignment to your teacher by the due date for full credit. (5 points) 1. You have three elements. A. B. and C. with the following electronegativity values: A = 0.9 B =3.0 C = 3.5 You
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Laboratory Report: Experiment 3 Analysis of commercial vitamin C tablets Name: Cheung Chun Hin‚ Harry Class: 6L (12) Date: 14-10-2009 Objective: To determine the content of vitamin C in commercial tablets (redox titration and back titration) Principle of method: Vitamin C‚ which is ascorbic acid‚ reacts with iodine rapidly in an acidic medium. C6H8O6 (aq) + I2 (aq) C6H6O6 (aq) + 2H+(aq) + 2I- (aq) Since iodine dissolves slightly in water‚ ascorbic acid cannot be titrated
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Purpose: The Purpose of this lab is to utilize‚ demonstrate and understand the various techniques and procedures used to gravimetric labs. For this particular lab we will utilize our scientific knowledge of related to gravimetric procedures to find the chloride content in an unknown soluble salt. Theory: Using our developed knowledge of the conservation of mass‚ solubility and precipitation it is possible (with some degree of error) to know the content of chlorine in a particular salt by dissolving
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Engineering and Science Electives Department of Biomedical Engineering University of Minnesota Table of Contents Philosophy‚ procedure‚ policy 2 Tips for using course lists 3 Pre-Med advice 4-5 Biomechanics 6-8 Bioelectricity/Bioinstrumentation 9 Biomedical Transport Processes 10-11 Biomaterials 12 Cell and Tissue Engineering 13 Medical Device Design 14-15 Neural Engineering 16 Philosophy Biomedical engineering (BME) encompasses a broad
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OBJECTIVE TEST [TIME : 4.00 PM TO 7.00 PM] CHEM (ABM SIR) MATHS (PJ MAM) CHEM (ABM SIR) SUPER – 40 CHEM (SS MAM) SST (YC SIR) BIO (AB SIR) OLYMPIAD MATHS (RJ SIR) PHY (BJ SIR) BIO (NK MAM) MATHS (PJ MAM) SOCIAL SCIENCE PEARL TUESDAY 19.11.2013 BIO (AB SIR) NTSE MAJOR TEST SERIES JENITH PAPER – 7 (MAT + ENGLISH) & SAT (TIME : 4.00 PM TO 7.00 PM) OLYMPIAD CHEM (IA MAM) PHY (BJ SIR) CHEM (SS MAM) APEX MATHS (PJ MAM) PHY (G2
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15 16 17 18 19 20 21 22 23 24 25 ABBREVIATED JOURNAL NAME 4OR-Q J OPER RES AAOHN J AAPG BULL AAPS J AAPS PHARMSCITECH AATCC REV ABDOM IMAGING ABH MATH SEM HAMBURG ABSTR APPL ANAL ACAD EMERG MED ACAD MED ACAD PEDIATR ACAD RADIOL ACCOUNT RES ACCOUNTS CHEM RES ACCREDIT QUAL ASSUR ACI MATER J ACI STRUCT J ACM COMPUT SURV ACM J EMERG TECH COM ACM SIGPLAN NOTICES ACM T ALGORITHMS ACM T APPL PERCEPT ACM T ARCHIT CODE OP ACM T AUTON ADAP SYS ISSN 1619-4500 0891-0162 0149-1423 1550-7416 1530-9932 1532-8813
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