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A 1.00 mole sample of He is placed in an empty vessel to make a pressure of .500 atm. A 48.0g quantity of methane, CH4, is added to the vessel.
a) Explain what is the mole fraction of the methane in the vessel?
b) Explain what is the total pressure in the container?
The equilibrium constant, Kc, for the following reaction is 1.80E-2 at 698 K. 2 HI(g) H2(g) + I2(g) Calculate the equilibrium concentrations of reactant and products when 0.261 moles of HI are introduced into a 1.00 L vessel at 698 K. [HI] = M [H2..
The solubility of slaked lime, Ca(OH)2, in water is 0.185g/100mL. What volume of 0.00400 M HCl is needed to neutralize 14.5mL of saturated Ca(OH)2 solution
when solutions containing 1.00 g ofbacl2 and 1.00 g ofna2so4 were mixed solid baso4 formed. the baso4 precipitate
Deuterium is an isotope of hydrogen. The abundance of deuterium in water is 0.0150%. How many moles of water would be required to obtain 0.0730 moles of deuterium (D2)
what is the half-life of a compound if 81 percent of a given sample of the compound decomposes in 64 min? assume
In aqueous solution, classify these compounds as strong acids, weak acids, strong bases, weak bases other. H3PO4, HF, LiOH,
how much energy is liberated when 366 g of mercury (c=0.139j/g degrees celsius)cools from 77.0 C to 12.0 degrees celsius?
What is E for the transition of an electron from n = 7 to n = 4 in a Bohr hydrogen atom. What is the frequency, of the spectral line produced
gold is a very conductive and ductile metal. one gram of gold can be pulled into a wire 2 km long. the density of gold
The water level in a graduated cylinder initially at 225 rises to 278 after a piece of lead is submerged. What is the mass in grams of the lead?
If 0.785 mole of ammonia gas occupies 24.5 L at 0.853 atm, what is the Celcius temperature
calculate the mass of propylene glycol rmc3 rmh8 rmo2 that must be added to 0.340 kg of water to reduce the vapor
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