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Calcium phosphate, silicon dioxide, and coke may be heated together in an electric furnace to produce phosphorus, as shown in the following equation: 2Ca3(Po4)2+6SiO2+10C=6CaSiO3+10CO +P4 In this reaction, how many pounds of calcium phosphate would be needed to make 100.0 lb of phosphorus? How much calcium silicate would be formed as a by-product? How much sand would be used up in the same reaction?
What volume of pure oxygen gas (O2) measured at 546 K and 1.00 atm is formed by complete dissociation of 0.7 mol of Ag2O? 2 Ag2O(s) → 4 Ag(s) + O2(g)
high boiling point are obtained now you need to identify the limiting reagent and compute the percent yield of nitrobenzene
This indicates that the solution is now more acidic, and the reaction shifts to the right, working to lower the concentration of hydrogen ions, and return to equilibrium
In the reaction 4 P4 + 5 S8 -> 4 P4S10 600 g of P4 is mixed with 1300 g of S8.
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 72% of the Mg2 be precipitated as the hydroxide salt? [Ksp for Mg(OH)2 = 8.9 multiplied by 10-12.]
How long would it take for 1.50 mol of water at 100.0 0C to be converted completely into steam if heat were added at a constant rate of 19.0 J/s?
What is the volume of 290. mL of oxygen gas at 112°C and 790. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.
if the freezing point of a 0.107 m CH3COOH solution is -0.200°C, calculate the percent of the acid that has undergone ionization.
di ethyl ethal is a volatile, highly inflammable organic liquid that is used mainly as a solvebt. the vapour pressure of di ethyl ethal is 4.01mmHg at 18 degree celcius.
Dilute solutions of sodium chloride(NaCl), Sodium sulfate(Na 2 SO 4 ), and Sodium sulfide (Na2S) are available to separate the positive ions from each other., in which order the solutions should be added In order to effect separation?
Perkin and related reactions, There are numerous condensations that are closely related to the Perkin reaction
If 6.0 moles of ethene and 6.0 moles of hydrogen are introduced into a 2.0 L sealed vessel and allowed to equilibrate at 200ºC, what is the equilibrium concentration of the ethene
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