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Consider the titration of 40.0ml of 0.200M HONH2 (Kb=1.1 x 10-3) by 0.100 M HNO2. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added:
a) 0.0ml
b) at half the volume needed to reach the endpoint
c) at the volume needed to reach the endpoint
d) 110.0ml
At 0°C, the volume coefficient of expansion of mercury is α = 18×10-5 K-1, and its coefficient of compressibility is β = 5.32×10-6 bar-1.
A person breathes 2.6 L of air at -110 C into her lungs, where it is warmed to 370C. What is its new volume?
Nitroglycerine decomposes violently according to the unbalanced chemical equation below. How many total moles of gases are produced from the decomposition of 1.00 mol C3H5(NO3)3?
a baseball is seen to pass upward by a window 22m above the street with the vertical speed 13m/s. if the ball was thrown froom the street.
Write the net ionic equation for the following reactions: a. The precipitation of manganese (II) hydroxide b. The reaction that occurs when sodium fluoride is added to a solution containing iron
If 0.345 moles are produced during a reaction and collected at a temperature of 294K and pressire of .981 atm what volume will the gas occupy?
A half-cell, made by dipping a silver wire into 0.05 M aqueous AgNO, at 298 OK, develops a half-cell potential of +0.740 volts. What is the standard half-cell (Eo) for silver?
A clinic took temperature readings of 250 flu patients over a weekend and discovered the temperature distribution to be Gaussian, with a mean of 101.00°F
The solid fuel in the booster stage of the space shuttle is a mixture of ammonium perchlorate and aluminum powder. On ignition, the reaction that takes place is 6 NH4ClO4(s) + 10 Al(s) ? 5 Al2O3(s) + 3 N2(g) + 6 HCl(g) + 9 H2O(g)
What mass of Fe(OH)3 would be produced by reacting 75.0mL of a 0.0810M Fe(NO3)3 solution with 125 mL of a .150 M NaOH solution.
when hydrochloric acid comes in contact with potassium permanganate, what dangerous chemical is released?
Radioactive isotope X has been found in rock units S and Q. Isotope X breaks down into isotope Z with a half life of 250 million years.
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