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Explain what would happen if Manganese dioxide was mixed with Potassium iodide and 9M sulfuric acid?
Carbonyl bromide decomposes to carbon monoxide and bromine. COBr2 (g) ↔ CO(g) + Br2 (g) Kc is 0.190 at 73?C. If you place 0.500 mol of COBr2 in a 2.00 L flask and heat it to 73 ?C,
Formulas and constants to remember R = 1.98 cal/degree-mole ; Delta G0 = -RT lnKeq. T = 298 degrees K. How much NADH will be produced in the above reaction
the enthalpy change for the reaction of hydrogen gas with fluorine gas to produce hydrogen fluoride is -542 kj for the
2 NaClO3-> 2 NaCl + 3 O2 Determine the number of moles of O2 produced by the decomposition of 213 g of NaClO3.
if the freezing point of a .106 m CH3COOH solution is -.284 degrees celsius, calculate the percent of the acid that has undergone ionization.
Four materials (A, B, C, D) have approximately equal melting points. All possible combinations of two of the four solids were prepared by combining equal amounts of each solid.
Light travels extremely rapidly (c = 3.00×108 ). Suppose you had to travel 20 miles to work every day. If you traveled at the speed of light for the entire trip, how long would it take you to get to work (in seconds)? [1 mile = 1.61]
a sample of 1.5 grams of unknown alkali metal carbonate that was dissolved in h2o and 31.10ml of 0.350m cacl2 was
In a test tube, 10 mL of 0.100 M KI and 10 mL of 0.100 M Na2CO3 are mixed. Next, 0.10 M lead nitrate is added drop wise. What will be the concentration of CO3 2- when PbI2 first starts to precipitate? Ksp (PbCO3) = 1.5 x 10^-13 Ksp (PbI2) = 8.7 x 1..
Given the parent compound, draw the mass spectrum fragment that is observed at m/z 77. Include any hydrogen atoms and the charge. The compound given is a cyclohexene with double bonds at every other one.
During an experiement, 225 mL of Wet H2 was collected over water at 29 Celcius, with a total pressure of 748 torr. How many grams of Zinc were consumed as a result
What mass of Na2S2O3 is required to prepare 1.00 L of a solution that will dissolve 1.00 g of AgBr by the formation of Ag(S2O3)2^3-? Show work.
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