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In the balanced redox reaction: 2Cu(s) + S(s) > Cu2S(s), how many electrons are gained or lost by each copper atom
you have two neutral solutions. one contains the indicator methyl red which turns red in strongly acidic aqueous
arrange the folloeing eluents in the increasing order of their euting power; place the least powerful eluent first; dichloromethane, pentane,water, and methonol.
Is heat absorbed or evolved in the course of this reaction? Calculate the amount of heat transferred when 45.0 g of CH3OH (g) is decomposed by this reaction at constant pressure.
What is the change in internal energy (in J) of a system that absorbs 0.836 kJ of heat from its surroundings
A certain reaction has an activation energy of 63.62 kJ/mol. At what Kelvin temperature will the reaction proceed 4.50 times faster than it did at 347 K
What is the expected boiling point of a solution prepared by dissolving 5.83 g of sodium iodide (NaI) in 59.2 g of water (H20)? For water, Tb = 100.00 degrees Celsius and Kb = 0.512 degrees Celsius m-1. The answer is 100.675. Please show a step by..
Use VSEPR theory to predict the shape of each molecule: a) CF3; b) NCl3; c) SCl2; d) CS2; e) BFCl2.
1-hexanol was prepared by reacting an alkene with either hydroboration-oxidation or oxymercuration-reduction. Draw the structure of the alkene that was used to prepare the alcohol in highest yield.
If 3.25ml of vinegar needs 40.0 of 0.130M NaOh to reach the equivalence point in a titration, how many grams of acetic acid are in a 1.30qt sample of this vinegar.
a metal object with a mass of 19g is heated to 96 degrees celsius then transferred to a calorimeter containing 75g of
For oxygen difluoride, OF 2 give the following information: a.) Available Electrons (AE) b.) Needed Electrons (NE) c.) Geometry Description d.) Number of sigma bonds
Draw the most stable chair conformation for (1S,3S)-1-chloro-3-ethylcyclohexane. Please explain your answer.
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