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A 10.0 balloon contains gas at a pressure of 640 torr. What is the new pressure of the gas at the 22.0 liters volumes if there is no change in temperature?
determine the concentration of O3 in air sample (in ppm)If 10,000 Litres of air bubbled through iodide solution and back titrated with 19.4 mL of a 1.2x10-4 M Sodium thiosulfate, also spelled sodium thiosulphate solution to reach equivalence,?
Calculate how many joules are needed to heat and calculate the theoretical volumes of 1.0 M Tris base?
Compute the number of moles of sodium hydroxide ( NaOH ) in 23.75cm 3 of 0.150moldm -3
What mass of Fe will form when 63.0g of CO reacts with 145g of Fe2O3 according to the following equation? 3CO+Fe2O3->2Fe+3CO2.
Total pressure in kPa 10 seconds after initiation of the reaction if initially there was 88.3kPa of pure N 2 O 5 vapor Enter the total pressure in kPa 10 minutes after initiation of the reaction.
A .117 gram sample of a metal reacts with hydrpchloric acid to produce 36.3mL od dry hydrogen gas. what is the equivalent weight of this metal.
1.500 g of Mg(s) was combined with 125.0 mL of 1.0 M HCl. The initial temperature was 25.0oC and the final temperature was 72.3oC.
What is the mass in grams of 2.75 moles of CH4, How many moles are in 365 grams of K2SO4.
Differ from the ideal pressure? The value For N 2 gas is given as , a = 1.390 L2atm/mol2 and b = 3.910E-2 L/mol.
What is the concentration of a solution formed by diluting 25.0 mL of a 3.2 M NaCl solution to 135.0 mL.
If C 6 H 12 O 6 yields C 2 H 5 OH+CO 2 then balance this equation and determine what the percent yield for the reaction is if 575.0 grams of C 6 H 12 O 6 glucose yields 126.4mL of C 2 H 5 OH ethanol?
What is the concentrationof lead ions and sulfide ions in a saturated solution of lead sulfide (PbS) soltution at 25 degree celcius(Ksp=3.0x10-28).
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