Essay on Sodium

The Element: Chlorine

General Information We researched the chemical element known as chlorine. Chlorine has an atomic number of 17 and an atomic weight of 35. 453. It has a valence number of 3. The element has 3 energy levels. Chlorine exists as a greenish-yellow gas at normal temperatures and pressures. Chlorine is second in reactivity only to […]

Read more
Oxidation Reduction Lab and Physical

College Chemistry 1 Lab 16 Oxidation Reduction Lab 16 Introduction: I will learn about redo reactions. Materials and Methods: I placed ten drops of each substance into different wells. Then I took Magnesium and put it in the first one. I put Zinc into the second one. I placed lead into the third and fourth […]

Read more
Sodium hydroxide HNaO structure

Molecular Formula HNaO Average mass 39.997 Da Density Boiling Point Flash Point Molar Refractivity Polarizability Surface Tension Molar Volume Experimental data Predicted – ACD/Labs Predicted – ChemAxon Experimental Physico-chemical Properties Experimental Melting Point: 318 °C Alfa Aesar 318 °C Oxford University Chemical Safety Data (No longer updated) More details 318 °C Alfa Aesar 13455, B24414, […]

Read more
Investigating the Relationship Between Concentration of Sodium Chloride

Seung Soo (Jason) Lee 002213-065 Internal Assessment – Investigating the Relationship between Concentration of Sodium Chloride and the Rate of Reaction of Enzyme Amylase Research Question: How will changing the percentage of sodium chloride concentration affect the rate of reaction of enzyme amylase, measured using the absorbance of starch and iodine with a spectrophotometer. Introduction: […]

Read more
Standardization of Hydrochloric Acid by Sodium Carbonate

Concentrated hydrochloric acid is roughly 11 M. Pour out into a measuring cylinder about 2 cm3 of concentrated hydrochloric acid. Transfer it to a 250 cm3 flask and make up to the mark with water. Shake well. Put some pure sodium hydrogen carbonate or anhydrous sodium carbonate into an evaporating dish and heat gently over […]

Read more
Electrolytes: Ionic Bond and Sodium Chloride

Week #2 Post Lab 1.) Define the following: electrolyte, nonelectrolyte Electrolyte: A substance that dissolves in water to form solutions that conduct electricity. Nonelectrolyte: A compound that doesn’t dissociate into ions when dissolved in water. 2.) Using examples in the last link, draw beakers showing atomic scale representations of aqueous solutions of the following compounds. […]

Read more

Get instant access to
all materials

Become a Member