Standard Solution (Part A and B) ABSTRACT The purpose of this experiment is to prepare a standard solution of potassium hydrogen phthalate and use titration to perform an acid/base reaction between the potassium hydrogen phthalate and sodium hydroxide to standardize approximately 0.10 M sodium hydroxide solution. To prepare the Potassium Hydrogen phthalate‚ a 2.00 grams of KHP was measured to an accurate measurement of 1.980 grams. A total of 100 mL of water was mixed with the KHP solution in the
Premium Sodium hydroxide Titration
Persuasive Speech Preparation Outline 5110719032 张孟劼 HEADER Title: We must end our addiction to social networking. General purpose: To persuade Specific Purpose: To persuade my audience that actions need to be taken to stop the addiction to social networking. Thesis Statement: Being too addicted to social networking can cause some serious problems‚ so it is necessary to stop it. Main Points: Ⅰ.Addiction to social networking has caused serious problems
Premium Mobile phone Social network service
Preparation of Dibenzalacetone by the Aldol condensation David o Neill Date of experiment: 14/12/2011 Apparatus Steam bath‚ ice bath‚ Buchner funnel‚ beaker‚ conical flask‚ filter paper‚ TLC apparatus‚ Melting point apparatus Materials / chemicals Benzaldehyde‚ acetone‚ ethanolic sodium hydroxide‚ ethanol Introduction The synthesis of dibenzalacetone is formed from an Aldol condensation reaction. An Aldol condensation reaction is a very effective way of forming a carbon – carbon bond reaction‚ in
Premium Aldehyde Thin layer chromatography Carbonyl
Preparations for the New Year begin a couple of weeks before the big day. This is a fun time full of anticipation and joy as we get ready for the thrill and excitement of the celebrations. According to the traditions‚ this is the time to clean the house‚ prepare food for the feast and make banners and decorations special for the New Year. A clean house to welcome the New Year Before the New Year comes‚ it is one of the Chinese New Year customs to clean the house from top to bottom to get rid off
Premium Chinese New Year Luck
INFORMATIVE SPEECH PREPARATION WORKSHEET 1.Choose 3 topics that interest you. Plastic surgery Onam festival that is celebrated by the Malayalee Community Laughter is the best medicine 2. Narrow each topic. Plastic sugery Talk about the types of plastic surgery‚ process of plastic surgery‚ the rewards and risk of having a plastic surgery and things to consider before doing the plastic surgery Onam festival that is celebrated by the Malayalee Community Talk about why and
Premium Kerala Plastic surgery Surgery
seedling age: Their Effect to plant growth and development 5 III. METHODOLOGY 7 A. Securing of Seeds 7 B. Locating the Experimental Area 7 C. Seedbed Preparation 7 D. Seeds soaking and incubation 7 E. Care of the Seedling 8 F. Land Preparation 8 G. Experimental Layout‚ design and treatments 8 H. Pulling and bundling seedling 9 I. Transplanting 9 J. Fertilizer Application 10 K. Care of the
Premium Seed Plant morphology
Aqueous Solutions Reactions‚ Metathesis (Double Replacement) Reactions and Net Ionic Equations Terrance Shelton Introduction India’s cultural treasure and biggest tourist attraction is slowly losing its magnificent appeal due to decades of acid rain. The walls of the Taj Muhal are composed of a marble-like substance ( CaCO3) that corrodes and eventually crumbles when reacted with acid rain(H2SO4). Not only is the Taj Muhal suffering‚ but also other historic landmarks across the world. This is
Premium Chemical reaction Sodium chloride Chemistry
Solutions for Homelessness This great nation of awesome power and abundant resources is losing the battle against homelessness. The casualties can be seen on the street corners of every city in American holding an "I will work for food" sign. Homeless shelters and rescue missions are at full capacity. There is no room at the inn for the nation’s indigent. Anyone who has studied this issue understands that homelessness is a complex problem. Communities continue to struggle with this socio-economic
Premium Poverty Homelessness Homelessness in the United States
RESULTS AND DISCUSSION: Ultraviolet spectroscopy of Verapamil hydrochloride at λmax of 278 nm in pH 1.2 buffer was found to be linear in range of 20 – 80 µg/ ml. The method was validated and found to be precise‚ specific and accurate. The tablets of Verapamil hydrochloride were prepared by press coating technique showing sustained release for 24 h for once daily dosing with a lag phase of 4 - 6 h. The optimum ratios and type of polymers and other excipients were chosen to produce gastroretentive
Premium Chemistry Acetic acid Alcohol
Preparation and purification of acetylsalicylic acid Results and Data treatment (A) Preparation of aspirin i) Details about the reactants Reaction of the acetylation of salicylic acid is following From the balanced reaction above‚ it can be seen that the stoichiometry between salicylic acid and acetic anhydride is 1: 1. In this experiment‚ 21.7mmol of salicylic acid was used to react 6.0mL of acetic anhydride and salicylic acid was limiting reagent. The expected amount of salicylic
Premium Carboxylic acid Aspirin