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2Hg+2 + N2H4 ------> 2HG + N2 + 4H+
If 13.52 grams of mercury if formed. If you had 135.0 ml of Hg+2, what was the original concentration of Hg+2?
In ploystyrene beaker , we mixed 30 mL of 0.1 M sodium acetate and 15 mL of 0.1 M hydrocloric acid. we measured the PH ( in PH meter ) it was 4.86 and then we added 5 mL of 0.1 M NaOH to this buffer.
How many moles of each product are formed in the reaction at 25 C and 1 atm of pressure. What is the total volume of product gases at 25 C and 1 atm.
During the isomerization of trans-1,2-dibenzoylethylene C16H12O2 using 95% Ethanol C2H6O , and UV light irradiation. What is the overall equation for this reaction. What is the product
A gas occupying 28 mL at standard conditions is heated to 13?C while the pressure is reduced to 0.84119 atm. What is the new volume occupied by the gas.
A 32.0-g sample of water at 290. K is mixed with 48.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Stock solution A is prepared by dissolving 165.1 mg of ferrous ammonium sulfate in water and diluting to volume in a 500-mL volumetric flask. Calculate the concentration of iron, in ppm, in stock solution A.
Suppose that a fully charged lead-acid battery contains 1.50 L of 5.00 M H2SO4. What will be the concentration of H2SO4 in the battery after 3.30 A of current is drawn from the battery for 8.00 hours?
1. calculate the heat of vaporization of bromine if bromine has pvap 400 mm at 41.0 c and a normal boiling point of
A certain metal, M(s), reacts with O2(g) to form M3O4 (?H°f = -418 kJ/mol). What is ?H° in kJ for a reaction where 2.32 mol of M and excess oxygen form M3O4
a 100000 gal tank is 75 full of liquid containing 60000 lb of solid in suspension. water flows into the tank at a rate
What is the maximum concentration (in M) of chloride ions in the solution that contains 0100 M Pb2 +? The Ksp for lead (II) chloride is 1.0 x 10-4.
What volume in mL of 0.075 M NaOH is required to neutralize the following solutions? A. 200 mL of a 0.0500 M H2C2O4(diprotic acid) solution.
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