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Why is it problematic to write a rate law for the decomposition of H2O2 with MnO2 as a catalyst (assume the reaction is first-order in peroxide and manganese dioxide.)
If the densities of 20%, 50% and 70% solutions are 0.69 and 0.58 and 0.49 g/mL, respectively, and the denisty of the unknown solution is 0.50 g/mL, what is the approximate concentration of the unknown solution.
if 82.7874 grams of oxygen was given off during the decomposition, how many grams of KCIO3 were used?
Calculate the masses of (a) KNO3 and, separately, (b) Ba(NO3)2 to add to a 0.110 mol kg^-1 solution of KNO3(aq) containing 500 g of solvent to raise its ionic strength
the mineral fluorite is composed of CaF2. the molar solubility of calcium fluoride in water is 2.1x10^-4 moles/L. what is the ksp of CaF2
the highly reactive oh radical a species with an unpaired electron is believed to be involved in some atmospheric
Discuss how to prepare the soltion starting from 0.100 M formic acid and 0.150 M sodium formate
What is their role in this reaction? In the case of this particular example that you watched, where would each of these ions have come from?
The observed temperature increase is 2.64 °C. If the heat capacity of the calorimeter is 32.30 kJ·K^-1, how many nutritional Calories are there per gram of the candy
For which of the following reactions does Hrxn representan enthalpy of formation. C(s) + O2(g) -> CO2(g) CO2(g) + C(s) -> 2 CO (g) CO2(g) + H2(g) -> H2O(g) + CO(g) 2 H2(g) + C(s) -> CH4(g)
Assuming the mixture has the same specific heat (4.184J/goC) and density (1.00 g/cm3 or 1.00 g/mL) as water, calculate the heat (in J) transferred to the surroundings, qsurr
Icebergs in the North Atlantic present hazards to shipping, causing the length of shipping routes to increase by about 30 percent during the iceberg season. Attempts to destroy icebergs include planting explosives, bombing, torpedoing, shelling, r..
One isotope of a metallic element has mass number 65 and 35 neutrons in the nucleus.The cation derived from the isotope has 28 electrons,what is the symbol for the cation
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