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Acetylene, C2H2, gas is collected over water at 23°C. The total pressure is 745 torr. What is the pressure of the C2H2 gas? (The vapor pressure of water at 23°C is 21.07 torr.)
A copper wire (density = 8.96 g/cm3) has a diameter of 0.41 mm. If a sample of this copper wire has a mass of 12 g, how long is the wire?
If 5.50 of the unknown compound contained 0.183 moles of carbon and 0.367 mol of H of , how many moles of oxygen, , were in the sample?
calculate the mass of oxygen dissolved in a 5.00 l bucket of water exposed to a pressure of 1.13 atm of air. assume the
The molar heat capacity of a compound with the formula C2H6SO is 88.0 J/mol-K. what is the specific heat of this substance.
if 200 ml of gas at 400 torr is transferred to a 20.0 ml cotnainer. what will the new pressure be if the temperature is
A supernatant from a saturated calcium hydroxide solution is titrated with a standardized hydrochloric acid solution to the methyl orange endpoint
if the hindenburg held 2.0 times 10^5 m^3 of hydrogen gas at 23 degrees C and 1.0 atm, what mass of hydrogen was present
Using 80.0g of Methane and 16.3g of Water, how many liters of H2 can be produced at STP? What is the limiting reactant?
Select all of the correct statements about reaction quotients and equilibrium constants from the choices below.
how many ml of concentrated sulfuric acid would be required to mae 1 L of 0.2N solution
Calculate the equilibrium partial pressures of C2H6, N2, NH3, and C2H4. Peq(C2H6) = . Peq(N2) = . Peq(NH3) = . Peq(C2H4) = . (b) Calculate KP for this reaction. KP =
Calculate the percentages of dissociated and undissociated forms present in the following solutions:
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