The Car Wash Though it may sound really simple to wash an automobile‚ just spraying the car with water‚ then soaping it‚ and then drying it will not fully complete the washing process. There is a simple yet easy process to washing your automobile correctly and also precautions to be aware of as you are doing so. There are about ten steps to follow. Following these steps will make your car washing experience a fun and enjoyable hobby. The first thing you need to do is to check the weather conditions
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tubes * Put 2mL of 40% NaOH solution to test tubes 1‚ 2 and 3 and on test tubes 4 and 5‚ put 10% NaOH solution * Add 10 drops of the following solution: * Tube 1: formaldehyde * Tube 2: benzaldehyde * Tube 3: acetaldehyde * Tube 4: acetaldehyde * Tube 5: acetone * Transfer all test tubes in a boiling water bath for 10 minutes * Record all observations Results: Sample | NaOH | Observations | 1. Formaldehyde | 40% NaOH | Alcohol-like odor |
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COLOUR PERSONALITIES A very good morning to the honourable judges‚ worthy timekeeper‚ teachers and fellow friends. Have you ever wondered‚ certain colours can determine your true personality. That is why you will feel comfortable wearing red rather than blue. But‚ for others they may prefer soft blue than bright red and if I ask your favourite colours‚ different people will choose different colours. So‚ do lend me your ears as I’m‚ going to share with you today an interesting topic on ”colour personalities”
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Lab report for Experiment #2: Extraction Your Name: Name of TA: Lab Partner’s Name: Lab Section: Title: Experiment #2: Extraction Purpose: What is the purpose of this lab? In your OWN words! Observations: Weighed out 3.2568 grams of chemical mixture that was yellow in color. Dissolved dry chemicals in 38 ml CH2Cl2 with gentle heating. Poured the yellow solution into sep funnel. Added 10 ml CH2Cl2 to flask to rinse‚ poured solution into sep funnel. Added 15 ml 3 M
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ABABIO BUAHEN SAMUEL CHEMISTRY ONE REF. NO: 20216815 EXPERIMENT A.1.1.2 THE PREPARATION AND STANDARDIZATION OF NaOH AND HCL SOLUTION AIMS & OBJECTIVES: (1) To gain experience with titration procedure (2) To learn to standardize acid & base solution (3) To carry out the preparation of solution of a desired concentration (4) To carry out the preparation of solutions of desired concentration from more concentrated solution INTRODUCTION: Titration is a convenient quantitative method for accurately
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Formula: for NaoH N NaoH = grm KHP / ml NaoH x KHp /1000ml Formula: for HCL (NV) HCL = (NV) NaoH or N HCL V HCL = N NaOH V NaoH N HCL = VNAOH (NNaoH) / VHCL (for more info page 62-63 of the photocopy) KHP = Potassium hydrogen phthalate = KHC8H4O4 = Mw - 204.23 Trial 1: NNaoH = 1grm / 20.6 x 204.23 /1000 = 1grm / 4.21 = 0.24 normal NHCL = 20.6 (0.24) / 39.5 = 4.94 / 39.5 = 0.125 or 0.13 Trial 2: NNaoH = 1grm / 20.8 x 204.23 /1000
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Psychological Properties Of Colours * The Colour Affects System * Research * Personality Type 1/Colours * Personality Type 2/Colours * Personality Type 3/Colours * Personality Type 4/Colours Colour Affects 908 Keyes House Dolphin Square London SW1V 3NB Tel: +44 (0)20 7233 9904 © 2008-12 Angela Wright. All Rights Reserved. * Why Colour Affects? * Colour Psychology * Corporate Colour * Colour Courses * Personal Colour Why Colour Affects? *
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the molarity of NaOH through separate trials using bromothymol blue as the indicator. It was expected for the results to conclude that the molarity of NaOH is 0.50M. For trial 1‚ 0.50M of NaOH was calculated‚ in trial 2 it was a 0.28M of NaOH and trial 3’s results concluded with 0.54M of NaOH. The results of trial 1 and 3 resemble the most similar and consistent to the expected results of the experiment. Discussion of Theory: The lab as able to determine the concentration of NaOH by neutralizing
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Titration Lab of NaOH and KHP Aim: To titrate Sodium Hydroxide with Potassium Hydrogen Phthalate . To also determine the concentration of NaOH in the KHP solution. Hypothesis: When KHP is added to the solution of NaOH and the indicator‚ the solution will turn clear and neutralize. The concentration of NaOH is going to be very low because it is diluted. Materials required: pipette filler‚ volumetric flasks(2-4)‚ beakers(2)‚small white piece of paper‚ indicator( 2 drops)‚ conical flask‚ clamp
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RED COLOUR There are many colours in our world. Think of how bland and unexciting it would be without colour. Colours light up our surroundings‚ and inspire us to be creative. Also‚ we can learn many things from the natural colours we see and what they symbolize. Red always represents action‚ vigour‚ passion‚ and anger‚ which are all very active feelings. Where do we see red? How about…stop signs? They catch drivers’ eyes‚ as they require an immediate response to stop. To ‘raise a red flag’ means
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