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Several minerals are metal carbonates as well as siderite is a mineral that is largely iron(ll) carbonate. State a balanced equation for the reaction of siderite with nitric acid.
A mixture at equilibrium at 827 C contains .552 mol CO2, .552 mol H2, .448 mol CO, and .448 mol H20. The balanced equation is shown below: CO2(g) + H2(g) CO(g) + H2O(g) What is the value of Keq?
Eather at room temperature is placed in a flask connected by rubber tubing to a vacum pump, and the pump is turned on, and the ether begins boiling. Explain.
At a certain temperature, the equilibrium constant for the reaction 2HI(g)39. At a certain temperature, the equilibrium constant for the reaction 2HI(g) H2(g) + I2(g) is 0.49.
In an acid-base titration 14.7 mL of .107M NaOH (aq) sodium hydroxide is needed to react to an end point with .1252 grams of H2C2O4 oxalic acid. Determine the molarity of the aqueous sodium hydroxide solution. 2NaOH + H2C2O4 ----> 2HOH + Na2C2O4
Oxygen masks for producing O2 in emergency situations contain potassium superoxide, KP2. It reacts with CO2 AND H2O in exhaled air to produce oxygen
How does the chemical structure of the dye relate to the Rf factor. 2. Is TLC an effective way to separate and identify substances. Why or why not
calculate kf for cdnh342 from the following data a mixture of 10.0 ml of 0.120 m cdno32 with 40.0 ml of 0.600 m nh3
if a room has a volume of 127m3 then calculate its volume a in km3? b in dm3? c in cm3?a suspension of an infant
Draw both extended and Fischer representation of each of these compounds.
write contributing important resonance structures for each of the followingcompounds and predict their relative co
A 30.0 mL sample of a diprotic acid is titrated with 0.255 M KOH. If 59.5 mL of base is required to reach the second equivalence point
solution should you use if you want the molarity of the Cl- (aq) ions in the solution to be 0.100 M?
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