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A 82.2 g sample of dinitrogen monoxide is confined in a 3.2 L vessel. What is the pressure (in atm) at 115°C?....atm
calculate total heat in (J) needed to convert 0.333 mol of gaseous ethanol at 300 degress celsius and 1 atm to liquid ethanol at 25 degress celsius and 1 atm
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. ..
If the water in your house has 1000.0 mg/L of calcium carbonate dissolved in it, How many grams of sodium oxalate could you mix with 100.0 mL of that water before a precipitate would form.
Draw the lawis structure and structural formulas for CCl3F. Sketch the space-filing model and the charge-density model for this molecule.
Which of the following bond moments would cancel the lone pair moment? S=O S-F N-H another lone pair Consider the molecules F2, OF2, PF3, CF4, and BF3. Which molecules have a dipole moment?
Suggest a reason why the equilibrium between succinic acid and acetic anhydride lies on the side favoring formation
A solution of 0.0041 M of an unknown acid has a pH of 3.195. Calculate the Ka value for the unknown acid, HA.
A first order decomposition reaction has a rate constant of 0.0418yr-1. What is the half-life of the reaction in yr
Using graphical techniques, which form of chlorendic acid (neutral, mono-anionic, or di-anionic) is not responsible for the inhibitory effect
The last step in the uranium decay series is Po-210 going to Pb-206 plus the emission of an alpha particle. Listed are the masses of the involved items: Po-210: 209.9829 AMU Pb-206: 205.9745 AMU alpha: 4.00260 AMU Find the energy in Joules release..
Dilantin is formulated as the sodium salt of phenytoin. Draw the structure of the product on addition of one equivalent of sodium hydroxide to phenytoin.
A sample of oxygen that occupies 1.00 × 10-6 mL at 575 mm Hg is subjected to a pressure of 1.25 atm. What will the final volume of the sample be if the temperature is held constant
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