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If 100 grams of liquid water at 100 C and 200 grams of water at 20 C are mixed in an insulated container, what will be the final temperature of water
Nitric oxide, sometimes used in the treatment of lung disease in premature children, is provided to the healthcare professionals as a solution of NO in nitrogen.
Octane is a liquid component of gasoline. Given the following vapor pressures of octane at various temperatures,estimate the boiling point of octane in Leadville, Colorado, where the atmospheric pressure is 496 mmHg.
0.158g of a barium halide is completely precipitated out of H2SO4 and 0.124g of barium sulfate are produced. what is the true formula of the compound.
Which of the following molecules is expected to form hydrogen bonds in the pure liquid or solid phase: ethylene glycol (HOCH2CH2OH), formaldehyde (H2CO), and dimethyl ether (CH3OCH3)?
What was the mass percent of dissolved solids in the sea water? b.) The actual solution chloride content in the sea water was 2.69%
Match the detector or detectors that can be used in gas chromatography for the detection of the following list of analytes. (More than one detector may be appropriate for a given analyte, and a given detector may be appropriate for more than one g..
What is the molarity of your NaOH solution? 2) You are given an impure sample of oxalic acid dihydrate (MW=126.068 g/mole) and asked to determine the percent of oxalic acid dihydrate present in the sample.
A piece of metal, mass of 8.50 g is heated to a temperature of 95.00 c. It is immediately placed in a calorimeter. Find the specific heat capacity?
Assuming no heat loss to surrounding, write down the energy balance equation for the system and find out change in internal energy and final temperature.
have the same melting point.How can you determine if they are the same without using any form of spectroscopy? Explain in details.
Dilute solutions of sodium chloride(NaCl), Sodium sulfate(Na 2 SO 4 ), and Sodium sulfide (Na2S) are available to separate the positive ions from each other., in which order the solutions should be added In order to effect separation?
ethyl acetate:petroleum ether was used to elute the chlesterol before dichloromethane
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