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Consider the reaction, 4 NH3 + 5 O2 => 4 NO + 6 H2O, How many molecules of NO will be made with 89.5 moles of H2O
The balloon ascends to an altitude of 20 , where the pressure is 76.0 and the temperature is 50. . What is the new volume, , of the balloon in liters, assuming it doesn't break or leak
Ammonia can be made by reacting calcium cyanamide (CaCN2) with water as shown: CaCN2 + 3 H2O => CaCO3 + 2 NH3. How many grams of calcium cyanamide are required to react with 417.8 g of water
Ammonia can be made by reacting calcium cyanamide (CaCN2) with water as shown: CaCN2 + 3 H2O => CaCO3 + 2 NH3. How many grams of water are required to react with 212.9 g of calcium cyanamide
Consider the reaction, 2 Al(s) + 3 Cl2(g) => 2 AlCl3(g). How many grams of AlCl3 will be made by the reaction of 7 moles of Al(s) with 27 moles of Cl2(g)
In an electron microscope the electrons generate the image. For one of the scanning electron microscopes in our Central Analytical Facility, the electrons are accelerated to have a kinetic energy of
For the reaction PCl5-> PCl3+Cl2 kp= 26.03 at 800K. calculate the equilibrium partial pressure for the reactant and product if the initial pressures are PPCl5= .54 atm and PPCl3= .37 atm.
Calculate the capacity factor for decane on HP-1 column (25 m length, 0.25 mm I.D., 0.5 mkm film thickness) at 120 C. Explain.
Ascorbic acid is a diprotic acid Ka1=8.0*10^-5 and Ka2= 1.6*10^-12. What is the pH of a .260 M solution of ascorbic acid
A radio station broadcasts at a frequency of 101.3 MHz. (1 mHz = 10^6Hz). What is the wavelength and energy of this radiation
The water temperature rose to 27.9 °C. Calculate the molar heat capacity of the metal
The initial volume of the balloon is 5.00 , and the pressure is 760. The balloon ascends to an altitude of 20, where the pressure is 76.0 and the temperature is 50. What is the new volume, of the bal
Consider an ideal gas which is allowed to expand slowly under constant temperature conditions. Derive an expression for the heat change for such a process, explaining any key stages in the derivatio
Difluoromethane gas (CHF2) was placed in a 5.0 litre cylinder at 1.3 bar at 25 C. What is the mass of CHF2
Is strategic behavior important in this market pharmaceutical drugs. Avoid answering any of the questions with a quote.
Is the market for Quotes should support your discussion instead of answering question an oligopoly market or a monopolistic ally competitive market
Consider the reaction of 25.0 mL of 0.20 M AgNO 3(aq) with 25.0 mL of 0.20 M NaBr(aq) to form AgBr(s) at 25 °C. What is ?G for this reaction? The K sp of AgBr is 5.0 x 10 -13 at 25 °C.
Calculate the molar mass of the unknown. Assume that the molal freezing point depression constant of water is 1.86°C•kg/mol and that the freezing point of water is 0.00°C. Please show a
Calculate the freezing point of 0.15 m calcium chloride aqueous solution. Assume that the molal freezing point depression constant of water is 1.86°C•kg/mol and that the freezing point of w
Calculate the molality of potassium iodide. Assume that the density of water is 1.000 g/mL. Please show all calculations in solving the problem
What is the solubility of MnS, in grams per liter, in a buffer solution that is 0.115M HC2H3O2 - 0.490M NaC2H3O2 ? For MnS, Kspa=3x10^7
A cell has a standard emf of +0.116 V at 298K. What is the value of the equilibrium constant for the cell reaction if n=1, n=2, and n=3