insure the experiment was done with the most accuracy‚ the two conductors of this experiment took three different trials to attempt to reach the best endpoint possible between the two. After punching in numbers and calculating results through a stoichiometry equation‚ the resultant molarity was .960M‚ but the actual molarity was .845M. We found that it took 9.60 mL of NaOH to
Premium Chemistry Sodium hydroxide Base
without proper identification. Blurb: Welcome to your first course in college chemistry. In this course‚ we will be exploring laws‚ theories‚ and principles of chemistry as related to matter. Atomic structure and the periodicity of elements‚ stoichiometry of chemical formulas and reactions‚ gas laws and kinetic molecular theory‚ solutions and solubility‚ energy change in chemical reactions and thermochemistry‚ quantum theory and electron configuration‚ bonding theories and shapes of molecules
Premium Chemistry Molecule Atom
Start doing MCAT questions as early as possible‚ in conjunction with content review. Have fun reviewing for the MCAT! Physical Sciences Section General Chemistry Review Electronic Structure and Periodic Table Bonding Phases and Phase Equilibria Stoichiometry Thermodynamics and Thermochemistry Rate Processes in Chemical Reactions - Kinetics and Equlibrium
Premium Chemistry DNA Protein
molecular compound‚ Ions and ionic compound. 2 30 March- 3 April Chapter 3: Stoichiometry Calculation Chemical equation‚ atomic and molecular weight‚ mole‚ empirical and molecular formula‚ quantitative information from balanced equation‚ limiting reactant‚ theoretical yield. Experiment 1 – Apparatus‚ calibration and safety in a laboratory Tutorial 1 3 6 April- 10 April Chapter 4: Aqueous Reaction and Solution Stoichiometry Solution composition‚ properties of solute in aqueous solution‚ ionic and
Premium Chemistry Atom Molecule
INTRODUCTION Differences between acids and bases An acid-base reaction is based on the reaction involving the ionization of water H2O -> H+ + OH- This means that water can break apart into a hydrogen ion and a hydroxide ion. These two ions can also join together to form a water molecule. When a strong acid is placed in water‚ it will ionize completely‚ and break down into its constituent ions in which one of it a hydrogen ion. When a strong base is placed in water‚ it will ionize
Free PH PH indicator Acid
Review for First Quarter Exam AP CHEMISTRY List of topics – Chapters: review‚ 1‚ 2‚ 3.1 and 3.2 1. Scientific Method 2. Significant Figures 3. Calculation with significant figures 4. Uncertainty 5. Density problems 6. Density Graphs interpretation 7. Dimensional Analysis 8. States of Matter 9. Classification of matter 10. Separation techniques 11. Structure of the atom a. historical development: Democritus; Aristotle; Dalton (postulates‚ law of definite proportions‚ law of multiple
Premium Atom Quantum mechanics Photon
excess unreacted iodine is “back-titrated” with standardized sodium thiosulphate(Na2S2O3) as shown in the following equation: (2) 2 Na2S2O3(aq) + I2(aq) → Na2S4O6(aq) + 2NaI(aq) The amount of ascorbic acid is determined by the stoichiometry of the equations and the difference between the total amount of iodine present and the
Premium Iodine
polymeric molecule is appropriately described as a "macromolecule" or "polymer molecule" rather than a "polymer"‚ which suggests a substance composed of macromolecules. Because of their size‚ macromolecules are not conveniently described in terms of stoichiometry alone. The structure of simple macromolecules‚ such as homopolymers‚ may be described in terms of the individual monomer subunit and total molecular mass. Complicated biomacromolecules‚ on the other hand‚ require multi-faceted structural description
Premium Polymer Molecule
H_2 The purpose of this experiment is to determine the mass % of through the Volumetric Analysis method. To attain this purpose‚ a decomposition reaction was performed‚ which can be separated into two steps. First‚ 2 mL of was reacted with approximately .5 g of KI in an Erlenmeyer flask to form and a hypoiodite species. The second step is the reaction between another molecule of and hypoiodite‚ which results in reformation of the catalyst‚ potassium iodide. The catalyst is used to speed up
Premium Chemical reaction Chemistry Chlorine
Lab Report: Stoichiometry Lab Oct. 27‚ 2011 Claire Elizabeth Lab Partners: Hannah Signature:___________________ Introduction- Baking soda and vinegar are two common materials found in almost every household. That‚ plus the fact that all the starting and finishing materials are non hazardous and safe‚ is why this is one of the first chemical reactions that many people are exposed to The purpose of this experiment tests which of the two reactants (vinegar and baking soda) is the limited
Premium Sodium bicarbonate Acetic acid Measurement