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Two separate containers filled with nitrogen gas, each contain 0.16 moles of gas. Container 1 has a volume of 0.188 L at a temp of 169.2 K. The second container is kept at 247.8 K. What is the volume (in liters) of nitrogen gas in container 2? Containers are kept at a constant pressure.
A zero-order reaction has a constant rate of 1.90×10-4 . If after 40.0 seconds the concentration has dropped to 6.50×10-2 , what was the initial concentration?
The ground water in Pherric, New Mexico contains 1.80 mg/L of iron as Fe+3. What pH is required to precipitate all but 0.30 mg/L of the iron as Fe(OH)3 at 25oC?
the equilibrium constant for the reaction of adpbetas and 13-diphosphoglycerate to give atpbetas and 3-phosphoglycerate
Write the ground-state electron configurations for the following elements. (Type your answer in noble gas notation using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2.)
Will a precipitate of magnesium fluoride form when 300. mL of 1.1 × 10^-3 M MgCl2 are added to 500. mL of 1.2 × 10^-3 M NaF? [Ksp (MgF2) = 6.9 × 10^-9]
Calculate the mass of a 1m3 parcel of dry air at STP. Calculate its mass at the same pressure but at 10 ?C and 20 ?C.
0.90 g of hydrogen chloride (HCl) is dissolved in water to make 2.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
The following reaction is example of elimination and substitution reaction. Categorized this reaction as an E1, E2, or SN1, SN2 CH3CH2O¯ + CH3CH2Br ? CH3CH2OCH2CH3 + Br¯ Please, explain.
Is a 0.15M solution of potassium benzoate C6H5COO-K+ acidic, basic, or neutral? Calculate the pH. The Kb for benzoic acid is 1.5 X 10^-10.
What is the molarity of a solution when 38.8g of potassium chromate (K2CrO4 ) is dissolved in enough water to make 3 liters of solution
Solve for the temperature if there are 1.231 L of 0.5387 moles of nitrogen at a pressure of 731.2 mm Hg.
Balance the following full redox reactions using the lowest integer coefficients, in basic conditions. NiO2(s) + Zn(s) ? Ni(OH)2(s) + ZnO22?(aq)
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