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Antacids are used to relieve heartburn and sour stomach. Products like these commonly contain substances such as Mg(OH)2, Al(OH)3, and CaCO3. What is it about these substances that soothe a burning stomach?
Using structural formula, write a balanced equation for the phosphoric acid catalyzed reaction of cyclohexanol to give cyclohexene.
A stirred-tank heater could have an external jacket with saturated steam condensing in the jacket to heat the tank. Assume that this modification has been made.
From the time when the heating begins, how much time trise does it take before the temperature begins to rise above 0degreesC?
What is the pressure inside a system when the system-side column in an open mercury manometer is 75.0 mm lower than the atmosphere side when the atmospheric pressure is 735 mm Hg.
Chemically equivalent amounts of ferric and stannic ions, iron(III) and tin(IV) respectively, are mixed in solution. Calculate the redox potential.
A solution containing 10.mmol of CO3^-2 and 5.0 mmol. Of HCO3- is titrated with 1.0M HCL What total volume of HCL must be added to reach the second equivalence point?
Compute mass of Carbon dioxide formed from the decomposition of 59.0 grams of NaHCO 3 ?
the resulting solution exerts an osmotic pressure of 829 torr. what is the molar concentration of the solution? how many moles of solute are in the solution? what is the molar mass of the solute?
When a 200 MHz NMR is used to measure a proton. The measured Larmar frequency is 199999900 Hz. What is the value of chemical shift. When a 400 MHz NMR is used to measure the same proton, what is the chemical shift and Larmar frequncy of this proto..
Interpret the infrared and NMR spectra of benzocaine. What is the structure of the precipitate that forms after the sufuric acid has been added
You have an application that requires a single crystal metal rod to support a tensile load (along the long axis) without experiencing plastic deformation.
A person's blood alcohol (C2H5OH) level can be determined by titrating a sample of blood plasma with a potassium dichromate solution. The balanced equation is 16 H+(aq) + 2 Cr2O72-(aq) + C2H5OH(aq) 4 Cr3+(aq) + 2 CO2(g) + 11 H2O(l)
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