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Question- Copper reacts with any oxygen present as an impurity in the ethylene used to make polyethylene. The copper is regenerated when hot H2 reduces the copper(II) oxide, forming the pure metal and H2O. The volume of H2 at 765 Torr and 225 oC needed to reduce 35.5 g of copper(II) oxide is
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How many grams of H2 are needed to react with 3.10 g N2?
compound a has a solubility of 18 grams per 100 grams of water at25 celsius. cooling a saturated 200 g solution of
Compute Ka of HOAc from the molarity of the solution in a volumetric flask (0.012M) and the pH of the acetic acid (3.70) when the solution is diluted to twice its volume. PH of HOAc before titration =3.22
Determine the pH of a solution of 10-3 M sodium formate. (Formate is a byproduct of microbial metabolism, and can also serve as an energy source for anaerobic bacteria.
If you have 4.14 g of caffeine dissolved in 61.0 mL of water and the extraction coefficient between H2O and CH2Cl2 is 21.51. How many grams of caffeine will extract into the CH22Cl2 layer if you use 96.9 mL
Important information about Organic Oxygen Compounds, Can an ether molecule be made out of a methanol or ethanol molecule? Why or why not?
Consider a reaction A+B=C has a rate = k[A][B]. The reaction rate is an experiment is carried out where [A]0=[B]0=1.00 M as well as the reaction rate is 0.24 Ms-1. Subsequent to 2.8 min, [A] = 0.60 M, explain what is the reaction rate then
When an external pressure of 2.00 is applied to the wire, the gas compresses from 5.90 to 2.95 . When the external pressure is increased to 2.50 , the gas further compresses from 2.95 to 2.36.
Galvanized nails are iron nails that have been plated with zinc to prevent rusting. The relevant reaction is Zn^2+(aq) + 2e^- -----> Zn (s). How many moles of zinc are in 3.00 kg of zinc
determine what mass of AgCl silver chloride can be formed from 1.03L of a 0.132M solution of AgNO 3 silver nitrate
the enthalpy change for melting ice at 0degc and constant atmospheric pressure is 6.01 kjmol. calculate the quantity of
calculate the total pressure when 1 l of ch4 at stp and four litre of oxygen at stp was combined in anbsp container of
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