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A sample containing 4.80 g of gas has a volume of 15.0 L. Pressure and temperature remain constant. What is the new voume if 0.500 mole gas is added? Oxygen is released until the volume is 10.0 L. How many moles of O2 are removed and What is the volume after 4.00g of He is added to the 4.80g of O2 gas in the container?
A 643 mL gas sample at STP is compressed to a volume of 187 mL, and the temperature is increased to 33?C. What is the new pressure of the gas in Pa? Answer in units of Pa.
one day you notice that the outside temperature increase by 16 degrees Fahrenheit between your early morning jog and your lunch at noon. what is the corresponding change in temperature in the Celsius and Kelvin scales?
The empirical formula for acetic acid is CH2O. Its molar mass is 60 g/mol. what the molecular formula is?
Write the balanced net ionic equations for the reactions that occur in each of the given cases as. Cr2(SO4)3(aq) + 3(NH4)2CO3 (aq) = Cr2(CO3)3 ( s) + 3(NH4)2SO4 ( aq).
At 373 K, Keq = 2.39 for the following reaction: SO2Cl2(g) = SO2(g) + Cl2(g) In an equilibrium mixture of the three gases, the partial pressures of SO2Cl2 and SO2 are 3.31 atm and 1.59 atm, respectively.
What would be the effect of performing your kinetics experiments at a lower temperature than the one you used?
Determine how much time (in seconds) is needed to form 150. g Na from a sodium chloride melt by a 25 Ampere current?
Calculate the approximate length of PVA strand assming that each monomer unit contributes two carbon atom diameters to the length
what is the flow of the gulf stream in milliters per minute (b) what mass of water in the gulf stream flows past a given point in 24 hours? the density of seawater is 1.025 g/ml
what products may have been formed during the combustion of the gas?
A solution is prepared by dissolving 159 g sucrose (C12H22O11) in enough water to produce 1.40 L solution. What is the molarity of this solution?
Calculate the heat of combustion of cyclohexatriene using the bond energies for C=C,C-C, and CH provided below. The actual value measured experimentally is 3331.2 KJ/mol
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