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What are the Celsius temperatures of the following conditions? body temperature, ice freezing, water boiling, room temperature?
mgnh4po4.6h2o loses h2o stepwise as it is heated. between 40c and 60c the monohydrate mgnh4po4.h2o is formed and above
an aqueous solution of hydroiodic acid is standardized by titration with a 0.275 m solution of potassium hydroxide.if
prepared by dissolving 33.2 g of the compound in sufficient water to form 250 mL of solution. The solution has an osmotic pressure of 1.2 atm at 25 °C. What is the molar mass (g/mole) of the compound?
The vapor pressure of pure water at 25 C is 23.8 torr. A solution is made by mixign 36.38 g of unknown non ionic substance into 250.00 g of water and the vapor pressure of the solution is found to be 23.1 torr. What is the molecular weight of the ..
Carbon monoxide detectors sound an alarm when peak levels of carbon monoxide reach 100 parts per million (ppm). This level roughly corresponds to a composition of air that contains 400,000 micrograms per cubic meter of air.
Ethyl aceto acetate is first treated with sodium ethoxide using EtOH then reacted with 1,4 dibromo 2butene
If He(g) has an average kinetic energy of 4610 J/mol under certain conditions, what is the root mean square speed
Use simple structure and bonding models to account for why xenon is capable of forming compounds like XeF4 while argon is not.
An sulphuric acid solution has a concentration 3.75 M and a density of 1.230 g/cm3. Determine the molality of the solution.
What mass of should be added to 630 of the paraffin in formulating the mixture if the vapor pressure of ethanol at 35 over the mixture is to be 9. The vapor pressure of pure ethanol at 35 is 100.
This chamber is equipped with enough solid KOH to absorb any CO2 and H2O produced by the mouse. The gas volume in this chamber is measured to be exactly 2.20 L, at the temperature is held constant at 297 K. After two hours the pressure inside the ..
1.60 m solution78.0 ml is diluted to a volume of 278 ml and a 139-ml portion of that solution is diluted using 175 ml
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