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The salt BX, when dissolved in water, produces an alkaline solution. Which of the following could be true?
Acid HX is a weak acid and BOH is a weak base.
Acid HX is a weak acid and BOH is a strong base.
HX is a strong acid and BOH is a weak base.
All of the above
Acid HX and base BOH are both strong electrolytes
Calculate the work done in joules when 2.5 mol of H2O vaporizes at a constant pressure of 1.0 atm and at a temperature of 25 degrees c. Assume the volume of liquid H2O is negligible compared to that of vapor. Given 1 L atm = 101.3
What is the osmotic pressure of a solution made from dissolving 85.0 g of glucose, rm C_6H_{12}O_6, in 300 mL of water at 45.0{^circ}C?
The solubility of MX2 is 8.91e-07 M. What is its Ksp to three sig figs? What is the molar solubility of M2X (Ksp = 1.38e-10)? M What is the concentration of M1+ in a saturated solution of M2X? M
a cetrain pitchers fastballs have been clocked at 104 mph. calculate the wavelength of a .141-kg baseballin nm
A football is inflated to a pressure of 1.00 x 10^3 torr in a room at 25 degrees C. If the game is played at 10 degrees C, what will the pressure in the ball be, neglecting any volume change in the ball and assuming that it doesn't leak?
Which is the anode and which is the cathode of a concentration cell Au/Au^3+ , where the Au^3+ is 0.89 M in one half cell, and 0.14 M in the other. What half reactions occur at each
State whether the following reactions are spontaneous or non spontaneous at low temperature, high temperature or all temperatures
Calculate the rate of water removal from the condenser, the rate of dehumidified (1.50% water) air delivered to the house, and the flow rate and composition of the humid air entering the condenser
an irregular shape of metal has a mass of 54.6 grams and displaces 2.83 cm^3 of water when dropped into a graduated cylinder filled with water. What is the identity of the pure metal?
an equilibrium mixture of h2 i2 and hi at 458 contains 0.108 i2 0.108 h2 and 0.747 hi in a 5.00- vessel what is the
If you wanted to adapt this procedure to prepare the analogous propoxy compound, how much propyl iodide would you have to use to carry out the reaction on the same scale?
A 100.0 g copper sample (specific heat = 0.385 J/goC) at 100.0oC is added to 50.0 g water at 26.5oC. What is the final temperature of the copper-water mixture?
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