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Predict the acid/base/neutral properties of 1.00 M solutions of, respectively, KH2AsO4 and K2HAsO4.
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You react 100.0 ml of a 1.01 M HBr(aq) solution with 99.1 mlof a 1.05 M KOH(aq) solution. The density of each solution is 1.04g/ml. The heat capacity of the calorimeter is 7.0 J/C. You observea ΔT of 6.3 C. Assume a 4.18 ...
A 42.60 gram sample of a hydrate of BaI 2 was heated thoroughly in a porcelain crucible, until its weight remained constant. After heating, 39.01 grams of the dehydrated compound remained. What is the formula of th ...
a) Glucose is a carbonate that your body can burn for fuel. It is 40 percent C and 6.71 percent H by mass. The rest is O. What is the empirical formula of glucose b) The molar mass of glucose os 180.0 g/mol. what is the ...
For the reaction 2CH4(g)?C2H2(g)+3H2(g) K = 0.170 at 1725 °C. What is K p for the reaction at this temperature? Express your answer numerically. For the reaction N2(g)+3H2(g)?2NH3(g) K p= 3.95×10 -3 at 325 °C . What i ...
One liter of nitrogen (N 2 ) and one liter of carbondioxide (CO 2 ), initially at one atmosphere pressure, are forcedinto a single evacuated 500 mL vessel. What is the total pressure, in atmospheres,if the temperature re ...
A 0.235g sample of a solid is 92.5% NaOH and 7.5% Ca(OH)2, by mass requires 45.6mL of a HCl solution for its titration. What is HCl molarity?
A paint contains 180.0 ppm lead. Approximately what mass of lead will be in 1.00 cm ^3 of this paint when 1.00 gal is uniformly applied to 445.0 ft 2 of a wall. The density of the paint is 8.00 lb/gal.
Question 1: Bonding Energy i. Draw an energy level diagram for a single Na ion and Cl ion. ii. Explain what is happening to the energy level between these two ions in terms of the Potential Energy. iii. Which process uti ...
An electron is ejected from a metal with a velocity 7.78 x10^5 m/s. If the metal has a threshold frequency of 9.90 x1014 Hz, what was the wavelength of the incident photon?
Aqueous lithium sulfate was mixed with aqueous strontium chlorate, and a crystallized strontium sulfate product was formed. Consider the other product and its phase, and then write the balanced molecular equation for t ...
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