Why one mole of sulfurous acid reacts with two moles
Calculate the volume of 1.222M sodium hydroxide needed to react with 32.5ml of 0.569M sulfurous acid? Where one mole of sulfurous acid reacts with two moles of the hydroxide ion)
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A railroad car having mass M moving at a speed v1 collides and couples with two coupled railroad cars, each of the similar mass M and moving in the similar direction at a speed v2. (i) Determine the speed vf of the three coupled cars after the coll
Calculate the molarity of a solution of nitric acid if 0.216g of barium hydroxide is needed to neutralize 20.00 ml of nitric acid?
After skidding down a snow-covered hill on the inner tube, Ashley is coasting across a level snowfield at a constant velocity of +2.5 m/s.
If this were to cause the buckling of 1 mile of straight track into the isosceles triangle (with track raised up into air at half-mile mark) then how high off ground would track be lifted at midpoint?
A converging lens having f = 11.9 cm is situated 30.6 cm to the left of a diverging lens of f = -5.94 cm. A postage stamp is positioned 32.4 cm to the left of the converging lens. Determine the on the whole magnification.
Determine the numbers of moles of NaOH must be added to the buffer to increase its pH to 5.74 when a buffer composed of 0.50 mol acetic acid and 0.50 mol sodium acetate is diluted to a volume of 1.0 L. The pH of the buffer is 4.74.
A charge of 5.3 is moving to the west having a velocity of 3 m/s. It enters a uniform magnetic field of 0.3T out of the screen. Determine the direction of the force which acts on the charge once it enters the field?
Calculate the pH of the solution at the equivalence point when a 20.00-mL sample of 0.220 M triethylamine,(CH3CH2)3N is titrated with 0.544MHCl(Kb(CH3CH2)3N= 5.2 × 10-4).
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How did WWII challenge, transform, and reinforce race, class or gender roles (select one area; you do not need to write on all three)?
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discuss how the new oil painting technique developed in the early fifteenth century influenced how artists communicated their vision of the world?
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