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The normal freezing point of ammonia is -78 degrees celsius. Predict the signs of Delta H, Delta S, and Delta G for ammonia when it freezes at -80 degrees celsius and 1 atm: NH3 (l) ---> NH3 (s)
Asprin, whose structure can be found in the introduction, can be made from the reaction of a phenol and an anhydride. Give the phenol and anhydride that could be used to make aspirin?
If 5.25mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram?
what is the potential of the corrosion reaction under the above conditions at 298 K? Calculate the potential of the Pb/Pb(IO3)2 electrode in a 0.00810 M solution of NaIO3.
Which of the following molecules is polar?
At 25 degrees Celsius the rate constant for the decomposition of a pesticide solution is 6.40e-3 min-1. If the starting concentration of pesticide is 0.0314M, what concentration will remain after 62.0min at 25 degrees Celsius
What is the osmotic pressure of a 0.100 M aqueous solution of sucrose at 25 degrees C. Please explain
Using your data, determine two values for (delta)H neutralization, then calculate an average value. The value should be determined and reported as "Molar Enthalpy of Neutralization of HCL", with units of kJ/mole HCL.
Sulfamic acid is a primary standard that can be used to standardize NaOH. What is the molarity of a sodium hydroxide solution
A.) An MH ion seen in a mass spectrum with composition C10H8N3S+ B.) A fragment seen in a mass spectrum with composition C3H60+ C.) C10SiH15Br2FNPO3
A 1-L flask is filled with 1.45 g of argon at 25^0C. A sample of ethane vapor is added to the same flask until the total pressure is 1.25 atm.what is the partial pressure of argon in the flask?
when 284.5 g of ethylene c2h4 burns in oxygen to give carbon dioxide and water how many grams of co2 are
What is the molarity of an aqueous solution containing 75.3 g of glucose (C6H12O6, mol wt = 180 g/mole) in 35.5 mL of solution
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