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A compound of bromine and fluorine is used to make UF6, which is an important chemical in processing and reprocessing of nuclear fuel. The compound contains 58.37% by mass of bromine. Determine its empirical formula.A compound of bromine and fluorine is used to make UF6, which is an important chemical in processing and reprocessing of nuclear fuel. The compound contains 58.37% by mass of bromine. Determine its empirical formula.
A)BrFB)BrF2C)Br2F3D)Br3FE)BrF3
Magnesium reacts with iron(III) chloride to from magnesium chloride(which can be used in fireproofing wood and in disinfectants) and iron.
3Mg(s) + 2FeCl3 à 3MgCl2 + 2Fe(s)A mixture of 41.0 g of magnesium(molar mass =24.31 g/mol) and 175 g of iron(III) chloride (molar mass=162.2 g/mol) is allowed to react. What mass of magnesium chloride(molar mass =95.21 g/mol)is formed?
a) 68.5 g MgCl2b) 77.0 g MgCl2c) 71.4 g MgCl2d) 107 g MgCl2e) 154 g MgCl2
Strontium carbonate decomposes upon heating to strontium oxide and carbon dioxide. Calculate the number of g of carbon dioxide produced by heating 10.7 g of strontium.
Calculate the average absorbance and use this value for an absorbance point on your graph. Use the printed graph from above, find the average Absorbance of the unknown on the y-axis
what is the correct expression for computing the volume of gas at STP and determine What is the mass percent yield from 1.79 g of Sb in excess S, is obtained if 1.14 g of Sb 2 S 3 ?
What is the complete wavefunction for n=2, L=0, and m(sub L)= 0? What radius of the orbital specified is required to contain 95% probability of finding an electron?
A 4.80 g nugget of pure gold absorbed 288 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C.
How much heat is required to vaporize 351 g of liquid ethanol at its boiling point.
An electron in an excited state of a hydrogen atom emits two photons in succession, the first at 1817 nm and the second at 97.20 nm, to return to the ground state (n=1).
Calculate the molar mass of the unknown gas. (remember that the faster the rate of effusion, the shorter the time required for effusion of 1.0L
If the mass of the ore from which the gold was extracted is 166.0 g, what percentage of the ore is gold.
How much heat energy, is needed to convert 64.0 grams of ice at -18.0 degrees celcius to H2O at the temperature of 25.0 degrees celcius? Express your answers in kilojoules
Compute w when 181 grams of iron (III) oxide (MM = 159.7 g/mol) combines with excess carbon(C)) to produce carbon dioxide(CO 2 ) gas at 359 K: express your answer in kilo joules
when 15.0g of steam drops in temperture from 275.0C to 250.0C how much heat is released csteam=2.01j/gC
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