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A sample of 7.50 g of SO2(g) originally in a 5.00-L vessel at 18°C is transferred to a 10.0-L vessel at 25°C. A sample of 9.00 g N2(g) originally in a 2.50-L vessel at 20°C is transferred to this same 10.0 L-vessel. (a) What is the partial pressure of SO2(g) in the larger container? atm (b) What is the partial pressure of N2(g) in this vessel? atm (c) What is the total pressure in the vessel? atm
Calculate the change in molar entropy when 2.00 miles of ozone are compressed isothermally to one quarter of its original volume. Treat ozone as an ideal gas.
the lead in lead pencils is actually almost pure carbon, and the mass of a period mark made by a lead pencil is about 0.0001g. How many carbon atoms are in the period.
What is the energy released when 0.711 g are converted to energy? Express your answer in joules. For self-consistent units you must use kg because 1 J = 1 kg m2/s2.
On average, cow milk is 4.7%(w/w) lactose. The molecular weight of this disaccharide is 342.3g C12H22011. Assuming milk has the density of water.
Commercially available concentrated sulfuric acid is 18.0 M H2SO4. Calculate the volume of concentrated sulfuric acid required to prepare 2.80 L of 0.275 M H2SO4 solution.
1. why should the funnel be removed from the top of the burette while titration is being berformed?2. while the
Calculate the mass of vapour present in a room of volume 250 meter cube that contains air at a temperature of 23 degree centigrade on a day when the relative humidity is 53%.
Acetic acid is produced on a large scale by the carbonylation of methanol at about 500 K and 25 bar using a rhodium catalyst
As a chemist for an agricultural products company, you have just developed a new herbicide,"Herbigon," that you think has the potential to kill weeds effectively
There are four peaks in the H nmr but they do not match the calculated ppm values. Which hydrogens would match the peaks for m-trifluoromethyl benzoic acid
determine the molar mass of chloroform gas if a sample weighing .389 grams is collected in a flask with a volume of
The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine: 1) Cl2 ? 2 Cl (fast, reversible) 2) Cl + CHCl3 ? HCl + CCl3 (slow) 3) Cl + CCl3 ? CCl4 (fast) What rate law does this mechanism predict
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