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What is the balanced, complete net ionic, and net ionic equation for AgNO3 + KIO3
A gas contains 17% O2, 11% CO2 and 72%N2. It is at 1.013 *105 Pa pressure. Calculate the partial pressure of each component
a gas sample containing 1.45 mol at 25degc exerts a pressure of 397 torr. some gas is added to the same container and
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5.
Choose the selection which lists the following substances in order of increasing boiling point (lowest boiling substance listed first): CS2, N2, and CBr4 a) N2
A 100.0 mL of 10.0 mM phosphate buffer, pH 7.5 (pka2 = 7.2). You are provided with 0.200 M KOH and 0.100 M KH2PO4 solutions, Calculate volume of KOH and KH2PO4 solutions
At constant external pressure (1.2atm), the temperature of 3.25 mol of ideal gas increased from 250K to 305K. Calculate the internal energy change ΔE.
Calculate the mixing ratio (ppbv) of NO2. Assume T=20 degrees Celsius = 293 K; P = Atmospheric pressure. MW of NO2 = 44g/mol
In an ionic compound, the size of the ions affects the internuclear distance (the distance between the centers of adjacent ions), which affects lattice energy (a measure of the attractive force holding those ions together).
calculate the pH of a soluion created by mixing 389.5 mL of .182 M HC4H7O2,
What ions will the following elements form? Enter the letter of the item in Column Two that best matches the item in Column One.
Calculate the degree of dissociation by A) assuming ideal behavior and B) using a mean activity coefficient y=0.93. The concentration of the acid is 0.010 M.
A student takes 148. g of BaCl2, and reacts it according to the following equation: 3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3 How many moles of AlCl3 are formed?
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