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230 mL of an HCl solution with pH of 3.60 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution?
Which of the following is NOT true about the thermodynamic standard state?
Find the flux, J, of oil droplets through the water to the top surface. The sink is 18 cm deep, and the concentration of oil on the plate is 0.1 mol/cm3. Assume that there is no oil at the top of the sink when you start. The diffusion coefficient ..
an industrial chemist puts 1.45 mol each of h2g and co2g in a 1.00-l container at a certain temperature. when
What is the empirical formula of ascorbic acid, given that the pseudoformula is C3.41 H4.53 O3.41
Wpump = 1500 kJ/h = 0.42 kW Qboil = 2.59 x 106 kJ/h = 718.7 kW Wturb = -227,300 kJ/h = -63.1 kW Qcond = -2.36 x 106 kJ/h = -656 kW What is the efficiency of the engine? How should we define it?
Write the complete mechanism for the reaction of the above molecule with HCl. Used curved arrows to indicate the formation or breakage of covalent bonds, label all charges, and show each step separately.
Calculate the partial pressure of each gas in the container. Express the pressure values numerically in atmospheres, separated by commas.
Values of the rate constant for the decomposition of N2O5 at four different temperatures are as follows: Determine the activation energy (I got this step right, Ea = 101.15 kJ/mole)
Show your calculations and determine the half-life of Tc-99 (in hours). (b)The delivery of a sample of Tc-99 from the reactor to the nuclear medicine lab of the hospital takes 3h.
if 98 g grams of CaCN2 reacts with 59 g grams of H2O, what mass of NH3 will be formed.
given the following substances, xenon, ammonia, iodine monochloride, and fluorine, and the following statements,
find the volume and the intermolecular force present in ammonia at stp in the following reaction.n2gnbsp
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