What is the value of kb for the equilibrium
What is the value of Kb for the equilibrium when the pOH of a 0.25 M aqueous solution of an unknown weak base, which we will designate BOH, is 3.10 at 25 degrees Celsius.
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An object of 3.6 kg is supported through an aluminum wire of length 2.7 m and diameter 2.3 mm. Determine how much will the wire stretch?
Provide the list of all the equipment that is necessary to set up a vacuum filtration. Determine the purpose of a trap in a vacuum filtration set up?
A cubical box is around 0.76m on a side. Write down the dimensions of the box as evaluated by an observer moving with the speed of 0.82c parallel to one of the edges of the box?
What was the pressure in the gs tank during the summer when a gas at 4.5 atm pressure was stored in a tank during the winter at 10c. During the summer temp storage area reached 42.0 c.
Supposing the femur is 0.680 m long and consists of a radius of around 1.90 cm, by how much is the bone compressed? Illustrate your answer by using two significant figures.
What is the pH of a neutral aqueous solution at 50 degrees Celsius when the value of K_w for water at 50 degrees Celsius is 5.48e-14 M^2.
An object 3 cm tall is positioned 20 cm from the front of the concave mirror having a radius of curvature of 30 cm. Determine where is the image made, and how tall is it?
Benzoic acid and Phenol are both weak acids that are insoluble in diethyl ether and insoluble in water. Phenol is soluble only in the stronger base, 10% NaOH. Benzoic acid is soluble in both 10% NaOH and 10% NaHCO3.
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