Alcohols are covalent molecules; the –OH group in an alcohol molecule is attached to a carbon atom by a covalent bond. Ethanol, CH 3 CH 2 OH, also called ethyl alcohol, is a particularly important alcohol for human use. a. ionic bonds b. dispersion forces c. hydrogen bonds d. dipole-dipole attractions e. none of the above. a. By stopped working I mean it won't charge. At the bottom of the page, there will be an option to shut down the watch. Ionic or Molecular? We usually use a rag with some rubbing alcohol on it to remove the adhesive. Other liquids, for example rubbing alcohol and water, can be mixed with each other. I use rubbing alcohol to clean just about everything electronic since a computer tech told me that is what he used. In general rule,polar or ionic substances dissolve in polar solvents and nonpolar substances dissolve in nonpolar solvents.Hydroxyl groups (-OH) is the main factor found in alcohols,they are polar. My fitbit ionic is a little over a year old and out of the blue it stopped working. When my batteries corrode, rubbing alcohol and a toothpick will save the flashlight. Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 … I figure it also works for my Fitbit pieces. Chemistry, 22.06.2019 07:30, mocjau. substances, such as CH3OH or O2, do not dissociate into ions in aqueous solution. Answers: 1 Get Other questions on the subject: Chemistry. ... Rubbing alcohol is 70.0% isopropyl alcohol by volume. Substance #1: lard Substance #2: table salt Rubbing alcohol and a rag 1. Isopropyl alcohol has a molecular formula of C3H8O. Turn your watch off. 142 mL c. 403 mL d. 470 mL It dries quickly and often is the only way to clean something. 70% Isopropyl rubbing alcohol is equally effective as a disinfectant. 2. Let the alcohol dry off of the unit then put a thin line of T8000 or B7000 Glue around the entire edge of the housing where the screen will sit. Rubbing alcohol Substance #4: Paraffin wax Substance #5: Baking Soda Substance #6: Copper (II) Sulfate Discussion: Based on the observations made and your knowledge of the properties of ionic and molecular compounds, determine which substances are ionic and which are molecular. NaOH and KOH are ionic compounds that contain OH – ions. Because it is a polar compound, it can be used to dissolve a number of non-polar substances. 70.0 mL b. In fact it won't even give me a percentage of charge, rather the screen shows the Fitbit image (the diamond-shape dots that are light blue) and stays on … When an ionic compound dissolves in water, it dissociates into its ions. Before starting this repair, make sure to power your watch down by going to "Settings" then "About". The only active ingredient in Lysol Disinfecting spray is ethanol. Most molecular substances do not dissociate in water. 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