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Question- Calculate wavelength in nm of a photon emitted by a hydrogen atom when its electron drops from n=3 state to the n=1 state
How do I yet start setting this up? Thank you
After you filter off the component that does not dissolve in dichloromethane, you will transfer the dichloromethane to a separatory funnel and wash with aqueous 1 M sodium hydroxide. Which layer is the dichloromethane layer
The active ingredient of aspirin is acetylsalicylic acid, a monoprotic with a ka = 3.3 x 10 raised to -4 power. What is the pH of a solution dissolving two aspirin tablets, each containing 325 mg of acetylsalicylic acid, in 250 ml of water
Write the structures (or name the structures) for the major monobromination products that would be formed from each of the following substrates used. Explain your predictions.
Take 7 test tubes from the Glassware shelf and place them on the workbench. Add 1g of the seven metals on the chemicals shelf (Ag, Ca, Cu, Fe, Mg, Pb, Zn) into the seven test tubes, one metal per test tube.
If a bottle of nail polish remover contains 151 g of acetone, how much heat would be released by its complete combustion?
a vitamin c capsule is analyzed by tirating with 0.3m naoh. it is found that 24.4 ml of base is required to react with
What pH range will allow the selective precipitation of one of the ions after saturation with H2S?
What is the volume of 0.5694 moles of gold? Density of gold is 19.30 g/mL The atomic mass of gold is 196.97.
A chemist wants to resolve a particular amine, but she has only meso-tartaric acid on hand. She scans the lab inventory and finds several acids, but they are listed only by their common names, which she does not know or remember.
Write the chemical equation for the following reaction: Add 1mL of 6M HCl to 1mL of 0.5M Na2SO4. Add a few drops of 1M BaCl2. How do your incorporate the BaCl1 into the chemical equation
a solution containing 3.50 of sodium carbonate is mixed with one containing 5.00 of silver nitrate. how many grams of
Formic acid, HCOOH, the simplest carboxylic acid, is used in the textile and rubber industries and is secreted as a defense by many species of ants (family Formicidae). Calculate the percent dissociation of 0.38 M HCOOH.
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