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In the second stage of solar fusion, a deuteron fuses with a proton to form a helium-3 nucleus. If the mass of helium-3 is 5.0064 x 10^-24 grams and the mass of a deuteron is 3.34370 x 10^-24 grams. Calculate the energy released by this reaction using Einstein's equation.
What is the heat change in J associated with 65 g of gaseous acetic acid at 127 oC changing to solid at -50 oC? c(acetic acid) (g) = 1.11 J/(g.K) c(acetic acid) (liq) = 2.18 J/(g.K) c(acetic acid) (s) = 1.32 J/ (g.K) ?Hfus(acetic acid) = 192 J/g ?..
0.75g of hydrogen chloride is dissolved in water to make 2.5L of solution. What is the pH of the resulting hydrochloric acid solution.
In a laboratory experiment, students synthesized a new compound and found that when 14.10 grams of the compound were dissolved in 208.0 grams of ethanol, the solution began to boil at 78.9510C
explain in detail why there are exactly 14 elements shown in the Lanthanide series of the periodic table.
The mass of an ice cube is 18.7 g, and its initial tempature is -14.4 degree C. The water resulting from the melted ice reaches the tempature of your skin,
The Kp for the reaction is 4.3X10^-4 at 648K. Determine the equilibrium partial pressure of NH3 in a reaction vessel that initially contained 0.900atm N2 and 0.500 atm H2 at 648K
A hot-air balloon has a volume of 875 L. What is the original temperature of the balloon if its volume changes to 955 L when heated to 56 degrees celcius
14.0 moles of gas are in a 6.00 L tank at 22.6 C. Calculate the difference in pressure between methane and an ideal gas under these conditions.
What is the concentration of H2SO4 present if 42.3 mL of the base is needed to reach the equivalence point?
Calculate the mass of hydrogen per oxide needed to obtain 0.460 L of oxygen gas at STP. 2H2O2(aq) → 2H2O(l) + O2(g).
Calculate the mass of silver chloride required to plate 225 mg of pure silver.
Calculate the density of propanol C3H8O if you know that there are 1.069×10 25 molecules of propanol in 1.35 L.
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