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What is the number density of oxygen (O2) in dry air at sea level (P = 1013 hPa, T =10°C)?
Please label the peaks, describe any impurities like at 1.5 the isoxazole has water, and tell how many peaks there should be like for an isoxazole there might be 12 peaks
For the reaction: Rb2SO3(s) + 2HBr(aq) --> 2RbBr(s) + H2SO3 A solid sample of Rb2SO3 weighing 6.24 g reacts with 1.38 L of gaseous HBr, measured at 75°C and 0.953 atm pressure
1.00 mole of an ideal gas (Cv,m=12.47 J mol-1 K-1) is initially at 300 K and in 10 L and is expanded to 20 L in two different ways described below. Compute w, q, deltaU, delta S, and delta S total for both of these two processes.
At 25C the acid dissociation constant for formic acid is 6.9x10-4. Calculate DG for this reaction. R=8.31x10-3 kj/K) Can you please help me work this problem.
When working NMR questions, solutions maunuals say that the peaks are 1.0 spaces long or 5.5 spaces long.
Determine the volume of oxygen gas required to completely combust 3.5 mol of propane in a bbq at standard pressure and 28.0C
it decomposes into CO gas and Cl2 gas. If 12.5g of COCl2 is initially placed in a 2.20L container at 575K, calculate the concentration of CO at equilibrium. Kc= 2.50 * 10^-3 at 575K.
Calculate ΔE for a system undergoing an endothermic process in which 15.6kJ of heat flows and where 1.4kJ of work is done on the system.
The flask was then shaken until the solution was uniform. A 40.0-mL sample of this glucose solution was diluted to 0.500 L. How many grams of glucose are in 100 mL. of the final solution?
Question- The Ka of a monoprotic weak acid is 2.48x10^-3. What is the percent ionization of a 0.199 M solution of this acid
What is the percentage strenght of a solution prepared by dissolving 60 g of potassium chloride in 150 ml of water
A 17.5 g sample of C2H6 (Mm = 30.07 g I mol) was maintained in a 98.6 L vessel at 290.6 K. It was compressed isothermally and reversibly until its volume had reached 12.5 L.
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