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Barium peroxide decomposes when heated to give BaO and O2. Write the balanced equation for this reaction. How many moles of O2 is formed when 0.500 mole of BaO2 is decomposed?
The temperature dependence of the reaction rate constant is given by the equation: k = Ae^-Ea/RT. Find Ln k
Calculate the pH of the solution after the addition of 0.100 mL NaOH. The Ka for HC2H3O2 is 1.8x10^-5.
Basic Copper Carbonate contains 57.84% copper and 5.43% carbon by mass. What mass of copper in grams is contained in 7.061 kg of basic copper carbonate
A round plate having a diameter of 30.0 cm is being silver plated on one side, by electrolysis of silver nitrate, where the plate is the cathode
What is the molar mass of this substance, express your answer in g/mol and determine the moloar concentraitions Cr 2 O 7 ^2 and of K + ?
The heater used to heat 1400 L of air in a hot air balloon is turned off. c) A balloon filled with helium at an amusement park is left in a car on a hot day.
A generic salt, AB, has a molar mass of 189 g/mol and a solubility of 6.10 g/L at 25 C what is the Ksp of this salt
buffer solution that has [H2PO4-]=[HPO4-2]=0.132 M. What is the pH of the solution before adding NaOH? After adding NaOH?
67 g of ice at 0 degree C added to a sample of water at 6 degrees, all the ice melts and decreases to 0 degrees. how many grams of water was in the sample?
Complete and balance the following redox reaction reaction under basic conditions- PO3^3-(aq)+ MnO4^-(aq) ? PO4^3-(aq)+ MnO2(s).
the electron-state H atom absorbs a photon of wavelength 93.78 nm. To what energy level does the
Calculate the weight of KMnO 4 contained in 2 liters of a 0.15N (not M) solution
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