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If 0.95 g of ammonium dichromate is used and the gases from this reaction are trapped in a 15.0 L flask at 23 °C, what is the total pressure of the gas in the flask? What are the partial pressures of N2 and H2O? (NH4)2Cr2O7(s) ? N2(g) + 4 H2O(g) + Cr2O3(s) I answered .066 atm?
Draw a structure consistent with the following set of data: a hydrocarbon with a molecular ion at m/z = 68 and an IR absorptions at 3310
Draw the correct stereochemical structures of these two compounds of the fumarase-catalyzed reaction. Be sure to include all hydrogen atoms and show the carboxylates as anions.
For the reaction, calculate how many moles of the product form when 0.048 moles of O2 completely reacts. Assume that there is more than enough of the other reactant. 4Fe + 3O2 ---> 2Fe2O3
Can someone name a complexing agent that only binds to Mg(II) and is fluorescent as well. Or can you disprove that Chromonycin A3 is not selective to Mg(II)
Draw trans-1-methyl-4-isopropylcyclohexane oin its two chair flipped forms. Indicate which of chair conformations
What is the standard free energy change (kJ) for the following reaction at 499.0 K ? [Note: Answer should be expressed as "xxx.x", or with one sig fig after the decimal
you have 100 mL graduated cylinder containing 50 mL of water. you drop a 154 g piece of brass (d= 8.56 g/cm3) into the water. how high does the water rise in the graduated cylinder?
how many grams of Mg(OH)2 will be needed to neutralize 25ml of stomach acid if stomach acid is .10M HCL
For the neutralization reaction involving HNO3 and Ca(OH)2, how many liters of 1.55 M HNO3 are needed to react with 45.8 mL of a 4.66 M Ca(OH)2 solution.
Trace amounts of rare elements are found within groundwater and are of interest to geochemists. Europium and terbium are lanthanide-series elements that can be measured from the intensity of their fluorescence emitted when a solution is illuminate..
The solutions start out at 22.50 deg C, and the final temperature after reaction is 24.28 deg C. The densities of the solutions are all 1.00 g/mL, and the specific heat of the mixture is 4.2 J/g deg C . What is the enthalpy change for the neutrali..
Gaseous ammonia reacts with oxygen gas to produce gaseous nitrogen monoxide and liquid water. If 750 grams of ammonia and 750 grams of oxygen gas were mixed
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