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Ferrophosphorus reacts with pyrite producing iron (II) sulfide as well as a compound that is 27.87% P and 72.13% S by mass as well as has a molar mass of 444.56 g/mol
How much heat is required to convert 5.0 g of ice at -10.0 ?C to liquid water at 15.0 ?C? (Assume heat capacities are independent of temperature.)
Name a method or physical process that can be carried out that would achieve the removel of ammonium chloride from your sample without affecting the other fous components. Describe what is happening in this process.
Can't make it work. You have 0.035 +/- 0.002 mol of red dye, which you mix (thoroughly) with 25.00 +/- 0.05 mL of water. What is the concentration of the dye mix .001400 +/- .000008 M
calculate the estimated ratio of the protonated form of acetylsalicylic acid to the deprotonated form of aspirin at equilibrium in the stomach? acetylsalicylic acid(Aspirin) is a weak acid with a pKa = 3.4, Stomach acid has pH = 1.4.
Sodium carbonate (Na_2CO_3) is used to neutralize the sulfuric acid spill. How many kilograms of sodium carbonate must be added to neutralize 6.05×10^3 kg of sulfuric acid solution?
It takes the films 7.4 seconds to traverse the 1.2 m between two calibration marks on the tube. What is the rate of generation of CO2 in the moles per minute
by referring to the figure determine the mass of each of the following salts required to form a saturated solution in
A trisubstituted cyclohexane compound is given below in its chair conformation. Draw the corresponding planar (overhead) representation, using wedge-and-dash bonds to indicate the substituent positions
Demonstrate that the moalr enthalpy is equal to the molar energy for a collection of one-dimensilonal harmonic oscillators.
cyanides are toxic molecules featuring c-c-n bonds. isocyanides are an unstable group of molecules where the order of
A 45.0g sample of an alloy was heated to 90.0C and then droped into a beaker containing 82.0g of water at 23.5C. The temperature of the water rose to a final 26.2C. What is the specific heat of the alloy
A gaseous fuel mixture contains 23.0% methane CH4, 44.0% ethane C2H6 and the rest propane C3H8 by volume. When the fuel mixture contained in a 1.53L tank, stored at 748 mmHg and 298 K, undergoes complete combustion, how much heat is emitted
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