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Calculate the delta h required to 1 mole of ice at -25 degrees celcius to convert steam at 125 degrees celsius at constant pressure
Draw structural formulas for all of the structural isomers of C4H10, C5H12 and C3H7Cl.
A spherical fat cell has a diameter of 2.47 micrometers. The fat cell contains three copies of the protein azurin. What is the molar concentration of azurin within the fat cell?
Compute the average decomposition rate of the organic acid - Average decomposition rate of the organic acid
A 295 mL stock solution contains 2.3 M Ca(CN)2. When 100 mL of the stock solution is diluted to 120 mL, how many moles of CN- ions will be contained in the dilute solution?
Calculate the volume (in liters) occupied by 2.08 moles of nitric oxide (NO) at 5.84 atm and 76°C.
he worked up the reaction and isolated 2.4 g of MnCl2. What was his percent yield?
A solution was prepared by mixing 70ml of 4.00 mol/L HCl and 30.0 mL of 8.00 mol/L HNO3. Water was then added until the final volume was 500ml. What is the [H+] and what is the pH ?
The pressure of the gas remaining in the vessel of unknown volume was 0.882 atm. All the measurements were done at the same temperature. What is the volume of the vessel?
A compound contains 44.26% carbon atoms, ,3.69% hydrogen atoms, and 7.79% fluorine atoms by mass. Each molecule of this compound contains one fluorine atom. What is the total number of carbon, hydrogen, and fluorine atoms in one molecule of this c..
The freezing point of pure benzene is 5.48 degrees Celcius, and Kf for benzene is 5.12 degrees C/m. Calculate the molar mass of the unknown compound.
A solution containing iodide ions has a percent transmittance reading of 72.3%. what is the molarity of the iodide ion in this solution
Antacid tablets contain a variety of bases such as NaHCO3, MgCO3, CaCO3 and Mg(OH)2, Only NaHCO3 has appreciable solubility in water. write a net ionic equation for the reaction of each antacid with aqueous HCl. include the state of each species. ..
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