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A gas occupies 340 mL at 273K and 610 torr. Wha final temp. would be required to increase the pressure to 1 atm, the volume being held constant?
Constant pressure molar heat capacity of a compound is found to vary with temp, according to molar cp= 15.25 +.138* T--2.21*10^4/T^2 Calculate the enthalpy change when 1 mole of this compound
how much energy (MJ) can be obtained from incineration and how much CO2 (kg/year) may be released in that year? 2) How much of that energy (MJ) can be actually converted into electric power if the conversion efficiency is 23%?
Show the expected stepwise mechanism for the photochemical monochlorination of cyclohexane. Label the initiation, chain propagation
If 0.176 moles of Mg have combined with 0.220 moles of O, what is the empirical formula of the product?
What was the volume of the aluminum cylinder in cm3? The mass of the aluminum cylinder was determined to be 30.1 grams. What is the density of the aluminum?
Calculate the initial rate of polymerization and the molar mass of the poly (methyrl methacrylate) formed in the initial stages of the reaction given that the relevant rate cofficients at 60 degrees are:
if the syinge colume had been incorrectly read, giving a calculated system volume of 25.6 mL, what would have been the percent error in the calculated value of R?
Explain why hydrogen which has one electron in its lowest state, should in principle be a metallic conductor in its solid state whereas helium which has two electrons in its lowest energy state should be an insulator.
What is the concentration of the HNO3 solution? Your response differs from the correct answer by more than 10%. Double check your calculations. M (b) How many moles of NaOH were in excess after the first addition?
A 6 cm string is fastened at both sides is plucked. What is the wavelength of the n = 3 standing wave? How many nodes does it contain.
How many moles of magnesium are needed to react with 16.0 g of O2?
What are the percentages of each molecular ion? (List to nearest 1% in order of increasing mass separated by commas, e.g. 55,45.)
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