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Identify the species that is oxidized and the species that is reduced in each reaction.Write out two half reaction to show how many electrons are gained or lost by each species.
1]. Mg + Fe^2+--------Mg^2+ + Fe
2]. Cu^2+ + Sn ---------Sn^2+ + Cu
3]. 4Na +O2 ---------2 Na2O
Which of the following cannot act as a Brønsted-Lowry base in an aqueous solution? a) ammonia, NH3 b) acetate ion, CH3CO2-
If 6.46 L of gaseous ethanol reacts with 16.1 L O2, what is the maximum volume of gaseous carbon dioxde produced
There are 100 grams of water in the bucket, how much heat did the 100 grams of tungsten conduct to the water what was the initial temperature of the hot tungsten? Ctungsten = .04 cal/g×°C
What is the concentration for each substance at equilibrium for the following gaseous reaction if the initial concentration of ethene,
Both potassium chloride (KCL) and potassium hydroxide (KOH) are very soluble in water. However, as one increases the temperature of the solution, KCL becomes more soluble and KOH becomes less soluble. Explain
How many units would have been produced during the second quarter under Lean Production?
The reaction is thought to follow second order kinetics which follows the relationship 1/[A]=1/[A]0+kt where [A] is the molarity at time, t, and [A]0 is the initial concentration.
a main component of photochemical smog. Classify this reaction as a synthesis, decomposition, single-displacement, or double-displacement reaction.
How much CH4, in grams, is needed to produce 50.0 grams of CHCl3?
The surface area of an object to be gold plated is 49.7cm2 and the density of gold is 19.3g/cm3. A current of 3.25A is applied to a solution that contains gold in the +3 oxidation state. Calculate the time required to deposit an even layer of gold..
A solution is made by mixing 15.0 g of NaOH and 71.0 mL of .19 M HNO3. Calculate the concentration of Na+ ion remaining in solution.
The following gas phase reaction is second order. 2C2H4(g)--->C4H8(g) Its half life is 1.51 min when [C2H4] is 0.250 M. a.What is k for the reaction?
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