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For the reaction:
4 P(s) + 5 O2(g) → 2 P2O5(s)
How many moles of P are required to react completely with 1.00 mole of O2?
How many moles of P2O5 are produced from the complete reaction of 1.00 mole of O2?
How many moles of O2 are required to produce 0.80 moles of P2O5?
Water has seeped through the pore spaces in the glass cup. 4. The relative humidity of the air near the glass cup is approaching 0 percent. 5. The dew point temperature was not reached.
Suppose that 25g of each of the following substances is initially at 27.0 degrees C. What is the final temperature of each substance upon absorbing 2.30kJ of heat
5. A superheated water is water heated above 100oC without boiling. Just like supercooled water (water cooled below 0oC without freezing), superheated water is thermodynamically stable. Calculate the values of ΔSsys,ΔSsurr, and ΔSuniv when 1.5 moles ..
Correct the absorbance of the spiked samples for dilution and plot the absorbance versus ppm Fe added. Extrapolate the graph to the point where absorbance is equal to zero to determine the amount of Fe in the cat food sample in ppm.
Given the following activation energies, what is the rate constatnt for a catalyzed and uncatalyzed decomposition of hydrogen peroxide(H2O2). Ea(uncatalyzed) 76kJ/mol, Ea(catalyzed) 19JkJ/mol
The potential energy of water at the top of a dam or waterfall is converted into heat when the water dashes against rocks at the bottom. The potential energy of the water at the top is equal to Ep=mgh, where m is the mass of the water, g is the ac..
An aqueous solution contains 167 g CuSO4 in 820 mL of solution. Calculate the : a. Molarity b. Percent by mass c. Mole fraction d. Molality of the solution, The density of the solution is 1.195 g/mL
A tanker has spilled 1.00 X 10^4 L of oil into the ocean and the oil film covers the sea with a layer of 3.0 X 10^2 nm thick. What is the area covered by the oil film in square meters. in square miles
The density of pyridine at 25.0 oC is 1.0873g/cm3. Explain what volume, in liters, does 23.55 kg of pyridine occupy
What combination is the best choice for the preparation of 3-chloro-1-iodobutane? Answer a.) 1-Iodobutane + chlorine (400 °C) b.) 2-Chlorobutane + iodine
a 5.0 l bulb filled with 175 torr of he and a 7.5 ml bulb filled with 325 torr of kr are connected together allowing
A solution is prepared by dissolving 396 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
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