I use rubbing alcohol to clean just about everything electronic since a computer tech told me that is what he used. Substance #1: lard Substance #2: table salt I figure it also works for my Fitbit pieces. 70% Isopropyl rubbing alcohol is equally effective as a disinfectant. The molecules remain intact. Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 … When my batteries corrode, rubbing alcohol and a toothpick will save the flashlight. NaOH and KOH are ionic compounds that contain OH – ions. Why can ionic table salt and covalent rubbing alcohol both dissolve in water? How many mL of isopropyl alcohol are in a full 1 pint (473 mL) container? Alcohols are covalent molecules; the –OH group in an alcohol molecule is attached to a carbon atom by a covalent bond. My fitbit ionic is a little over a year old and out of the blue it stopped working. 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. 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. According to Ron Kurtis' School of Champions, an educational resource, polarity is the separation of electric charge in molecules that leads the molecules to have specific dipole or multipole movement. It dries quickly and often is the only way to clean something. Chemistry, 22.06.2019 07:30, mocjau. Because it is a polar compound, it can be used to dissolve a number of non-polar substances. Isopropyl alcohol has a molecular formula of C3H8O. The only active ingredient in Lysol Disinfecting spray is ethanol. Remove the screen By stopped working I mean it won't charge. Ethanol, CH 3 CH 2 OH, also called ethyl alcohol, is a particularly important alcohol for human use. Other liquids, for example rubbing alcohol and water, can be mixed with each other. a. 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 … 2. When an ionic compound dissolves in water, it dissociates into its ions. 70.0 mL b. Most molecular substances do not dissociate in water. 142 mL c. 403 mL d. 470 mL We usually use a rag with some rubbing alcohol on it to remove the adhesive. Start by cleaning off any old adhesive residue that is around the edge of the frame where the display will sit. a. ionic bonds b. dispersion forces c. hydrogen bonds d. dipole-dipole attractions e. none of the above. Turn your watch off. 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