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What is the balanced ionic and net ionic equation for each: 1.MgCO3 + HBR 2.CH3CO2H + NH4OH 3.AgNO3 + AlCl3 4.BaF2 + H2SO4
The stratospheric ozone layer helps to protect us from harmful ultraviolet radiation. It does so by absorbing ultraviolet light and falling apart into an molecule and an oxygen atom, a process known as photodissociation.
Calculate the final temperature of 37 mL of ethanol initially at 11 degrees C upon absorption of 624 J of heat. (density of ethanol =0.789 g/mL).
Provide analysis of the IR spectrum in terms of product absorbances and similarities/differences from the IR spectra of 4-iodophenol and phenylboronic acid.
A volume of 95.0 ml of H2O is initially at room temperature (22.0 C). A chilled steel rod at 2.00 C is placed in the water. If the final temperature of the system is 21.1 C .
Use simple structure and bonding models to account for why xenon is capable of forming compounds like XeF4 while argon is not.
The blank solution used to calibrate the spectrophotometer s 10.0mL of 0.2 M Fe(NO3)3 diluted to 25.0 mL with0.1 M HNO3. Why is this solution preferred to simplyusing de-ionized water for the calibration
Atrazine is an herbicide widely used for corn and is a common groundwater pollutant in the corn-producing regions of the United States. The log Kow for atrazine is 2.65.
A sample of nickel is heated to 99.8 degrees C and placed in a coffee cup calorimeter containing 150.0g water at 23.5 degrees C. After the metal cools, the final temperature of metal andwater mixture is 25.0 degrees C.
Which of the flasks contains the least total ion concentration?
the cu is drawn into wire whose diameter 2r is 8.50mm if the density of copper is 8.94 gcm 3 then determine how many
Why does kininogen bind to glycosaminoglycans easily and why is the binding of kininogen less sensitive to physiological pH changes - How is the binding of HPRG to heparin dependent on pH? Give structural reasons for the binding dependence.
Vanillin is the substance whose aroma the human nose detects in the smallest amount. The threshold limit is 2.0 x 10^-11 g per liter of air. If the current price of 50.0 g of vanillin is $103 determine the cost to supply enough vanillin so that th..
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