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What is the total pressure of a mixture of the following gases. Oxygen with a partial pressure of 221 mmHg, nitrogen with a partial pressure of 467 mmHg, and helium with a partial pressure of 29 mmHg
a 2.300 g sample of quinone c6h4o2 is burned in a bomb calorimeter whose total heat capacity is 7.854 kj.c. the
The entropy increase after mixing 2 moles of oxygen 1 mole of nitrogen, which were prepared at the same pressure and temperature, is (in J/K). (Pretend oxygen and nitrogen are ideal gases)
how much pv work is done if 88.0 grams of c 2h 4 ethylene and 120 grams of hydrochloric acid hcl are permitted to react
Write, using correct notation, the balanced nuclear reaction equation for each of the following:a. Electron capture by 93/43 Tc
Find the intrinsic conductivity for germanium. (Assuming ni = 2.5x 1019/m3 at room temperature.)
Determine the mass of carbon dioxide in chemical reaction of 30mL of vinegar and 1.3g of baking soda
Epsom Salts is a hydrate, which means that a certain number of water molecules are included in the solid structure. The formula for epsom salt can be written as MgSO4* X H2O
When acetone, C3H6O, is oxidized via combustion, the following reaction can be revisioned. Balance the reaction and determine the total of the coefficients when added together
The endpoint corresponds to the equivalence point. D. At the equivalence point the amount of reagent added does not yet equal to the amount of analyte present
Draw the Lewis structure of the molecule, assuming that the Cl atoms bond to a single C atom and that there is a C -C bond and two C - O bonds in the compound.
The buret is misaligned with the drop counter so approximately 10 drops of NaOH are added to the HCl before they are counted
At this temperature, calculate the number of moles of NO2(g) that must be added to 2.76 mol of SO2(g) in order to form 1.20 mol of SO3(g) at equilibrium.
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