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Balance the following equations. (Use the lowest possible whole-number coefficients. These may be zero.) (a) ClO3-aq) + As(s) Æ HClO(aq) + H3AsO3(aq) ClO3- + As + H+ + H2O HClO + H3AsO3 + H+ + H2O (b) Fe(CN)63-(aq) + N2H5+(aq) Fe(CN)64-(aq) + N2(g) Fe(CN)63- + N2H5+ + H+ + H2O Fe(CN)64- + N2 + H+ + H2O (c) Cl2O7(aq) + C2O42-(aq) Cl-(aq) + CO2(g) Cl2O7 + C2O42- + OH- + H2O Cl- + CO2 + OH- + H2O (d) Cl2O7(aq) + H2O2(aq) ClO2-(aq) + O2(g) Cl2O7 + H2O2 + OH- + H2O ClO2- + O2 + OH- + H2O
isothermally against a constant external pressure of 2.85 atm from 3.12 L to 11.85 L. Calculate the values of q, w, delta H, delta S system, delta S surroundings, delta S universe and delta G.
a) What is the molarity of the acetic acid? b) If the density of the vinegar is 1.006 g/cm3, what is the mass percent of acetic acid in the vinegar.
The atomic radius of O is smaller than the atomic radius of Se. What is the effective nuclear charge for the valence electron(s) in O and Se
burning 0.115g of the compound in oxygen gives 0.379g of CO2 and 0.1035g of H2O. what is the empitical formula of mesitylene.
What covalent bond in methyl salicylate and water were broken during reaction of converting methyl salicylate to salicylic acid?
This Tetris ice cube game is available to play as long as the ice cubes remain ice. The game pieces weigh 178 g, and the heat capacity of the room air,
Based on the half-reactions and their respective standard reduction potentials below, which addition to an aqueous solution containing Fe(NO3)2 will result in a reaction under standard-state conditions?
Do these lambda maxs indicate an increase or a decrease in the energy of the light absorbed as the number of EN ligands bound to Cu(II) increases
A piece of metal that has a density of 5.2 g/cm3 and a mass of 100 g was placed in a full jar of water. How many mL of water spilled out of the jar?
A vitamin tablet contains 501 mg of vitamin C (C6H8O6). How many vitamin C molecules are contained in the tablet?
If a 2.1 L reaction vessel initially contains 725 torr of cyclopropane at 485 degrees C , how long will it take for the partial pressure of cylclopropane to drop to below 102 torr .
Electrons can be used to probe the arrangement of atoms on a solid surface if the wavelength of the electrons is comparable with the spacing between the atoms
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