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What is the temperature at which the solution of KI will freeze if the solution contains 52.43 grams of KI dissolved in 479.1 grams of water. Kf of water is 1.86 C/m. Write answer to four significant figures.
A 280- mL flask contains pure helium at a pressure of 757 torr. A second flask with a volume of 465 mL contains pure argon at a pressure of 715 torr.
Compute the average decomposition rate of the organic acid - Average decomposition rate of the organic acid
What is the final temperature in a squeezed cold pack that contains 41.0 g of NH4NO3 dissolved in 125 mL of water? Assume a specific heat of 4.18J/g*C for the solution, an initial temperature of 26.5C.
What is the final Celsius temperature if 4.55 L of nitric oxide gas at 35°C is cooled until the volume reaches 1.00 L
What exactly is the reduction of alkynes? I just understand that it is a method for synthesizing alkenes. Why are the leaving groups for E2 reactions not as good as E1 reactions?
when 50 mL of water containing .5 mol HCL at 22.5 degrees C is mixed with 50.0 mL of water at 25 degrees C in a calorimiter, the temperature of the solution increases to 26 degrees C. How much heat was released by this reaction?
A mysterious material was purified from safflower oil (hint: full of fatty acids). Upon ozonolysis it gave the following compounds in their respective molar ratios.
determine How many grams of AlCl 3 are formed if 30.0 grams of Hydrogen are produced? It is given that the molar mass of AlCl 3 =133.33 g/mol.
While in Europe, if you drive 117km per day, how much money would you spend on gas in one week if gas costs 1.10 per liter and your car's gas mileage is 41.0km/L ?
How many liters of oxygen gas, at standard temperature and pressure, will react with 25.0 grams of magnesium metal? 2 Mg + O2 yields 2 MgO
Vitamin C (L-ascorbic acid; MW = 176.0 g/mol) is a weak acid (pKa = 4.863). Suppose a 500.0 mg tablet is dissolved in water and titrated with 0.100 M NaOH. How many mL of NaOH are required to reach the equivalence point?
if 223 g of ethanol are recovered after 1.63 kg of glucose react, what is the percentage yield of the reaction
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