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Suppose that 22.65 mL of a 0.02024 M permanganate solution (KMnO4) was needed to react with the Fe2+ in a sample that had a mass of 1.1243 g. What is the mass of the Fe2+ in the sample and what is the % of Fe2+ in the sample?
according to boyles law if the temperature of a confined gas is held fixed then the product of the pressure p and the
Using the Nernst Equation, calculate the voltage for a concentration cell with: Cu (s)| 0.01 M Cu2+|| 1.0 M Cu2+| Cu (s)
Ethylene glycol is used as automobile antifreeze. 6.38g og this compound contains 2.47g of carbon and 0.620g of hydrogen. The rest is oxygen. The molar mass is 62.0g/mole.
What is the difference in chemical potential of benzene (component1) in toluene
How many moles of KMnO4 are present in 25.0 mL of a 0.0900 M solution?
A mechanism for the decomposition of ozone (2O3 --> 3O2) is O3 --> O2 + O; O + O3 --> O2 + O2 What is the molecularity for the first and second elementary reactions?
Synthesis of a Liquid Crystal, experiment in which added 500 mg of cholesterol to 1.5 mL of dry pyridine. Then added 1.7 mmol of benzoyl chloride and heated the mixture.
What is the maximum number of electrons in an atom that can have the following set of quantum numbers?
Predict the change in energy (J/photon) that occurs when an electron moves from n = 2 to n = 1.
Explain which of the following choices has the compounds correctly arranged in order of increasing solubility in water?
The nitrogen-nitrogen bond lengths in N2H4, N2F2, and N2 are 1.45, 1.25, and 1.10 A, respectively. Using the Lewis Structures, how can this trend be explained? No formal charges needed?
Predict the ionization energy of Li2+ given that the ionization energy of He+ is 54.4eV. whats the math work on this too
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