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The reaction 2NO ? N2 + O2, has a rate constant of 3.6 x 10^-2 M^-1 s^-1. When [NO]= 2.8 x 10^-3 M, what is the rate of change in M.s^-1 for N2
A scientist wants to make a solution of sodium phonsphate for a lab experiment. How many grams of sodium phosphate will be needed to produce 475 ml of solution that has a concentration of Na+ ions of 1.50 M?
what is the concentration of (HOCl), at equilibrium if 0.0230 mol of H2 and 0.0230 mol of ClO2 are initially placed in a 5 L vessel? What is the concentration of ClO2 in the above problem at equilibrium?
Determine the concentrations of BaBr2, Ba2 , and Br- in a solution prepared by dissolving 1.62 × 10-4 g BaBr2 in 1.50 L of water.
Which of the following substances would be expected to be the most soluble in CCl4? Answer with explanation as to why. a)NH3
what fraction of the day's energy does walking one hour represent? How many kilograms of water would have to be evaporated if this were the only means of heat loss?
Predict the products of their eliminations, and explain the large difference in the ease of elimination.
Crude oil is a complex solution of liquids, and some gases and solids. The components are commonly separated from each other by utilizing a technique called fractional distillation
what is the purpose of the anhydrous cacl2? the important that none of the solid cacl2 be included in the final distillation of 1-bromobutane.
Calculate the mean displacement of the harmonic oscillator when it is in a quantum state ?. Use the Hermite polynomials in the attachment and the recursion relation to justify your answer through symmetry arguments.
Based on the sign of E°cell, classify these reactions as spontaneous or nonspontaneous as written. Assume standard conditions.
How many hemoglobin molecules are there in an average red cell? Assume that the molecular weight of the human hemoglobin tetramer is 65 kd. (The answer is 2.74x10^8, but I don't know how to calculate it)
KCL,KCLO3, and MnO2 having a total wight of 23.584 was jeated tp decompose the KCLO3. After heating, the mass was found to be 22.347g. how many moles of oxygen gas was evolved.
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