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The valve between the 2.00L bulb, in which the gas pressure is 1.00 atm, and the 3.00L bulb, in which the gas pressure is 1.50 atm, is opened. What is the final pressure in the two bulbs, the temperature remaining constant?
Which of the following is an example of an ionic crystalline solid? Choose one answer. a. calcite, CaCO3 b. fluorite, CaF2 c. iron pyrite, FeS2 d. silver chloride, AgCl e. all of these
How do i calculate the aveage current that flowed thorugh an electrolytic cell from the delta [OH-] (3.910), volume of the solution (30mL) and the time of electrolysis (15min)
Add 28 ml of water and 1.0 ml of concentrated hydrochloric acid to the erlenmeyer flask.), but otherwise followed the above procedure. The student obtained _no product. Explain why?
What is the molar mass of a gas if 0.250 g of the gas occupies 215 mL at 618 mmHg and 30.0°C?
A 10.0 mL solution of 0.300 M NH3 is titrated with a 0.100 M HCl solution. Calculate the pH after the addition of 20.0 mL of the HCl solution.
a group 3A metal has a densityof 2.70 g/cm3 and a cubic unit cell with an edge length of 404 pm . Reaction of a 1.07cm3 chunk of the metal with an excess of hydrochloric acid gives a colorless gas that occupies 4L at 23C and a pressure of 740 mm H..
For a particular reaction, ?H° is 55.4 kJ and ?S is 94.1 J/K. Assuming these values change very little with temperature, over what temperature range is the reaction spontaneous in the forward direction
empirical and molecular formula what are both the empirical and the molecular formula for the compounds described
Assuming no elasticity forces in rubber, what volume should a 1.0L ballookn at 25 degree Celsius and 1.00 atm pressure be if immerses in liquid nitrogen
what volume of 0.52 N NaOH would you need to make 20mL of distilled water that has pH 7 to a new pH 11.82?
a sample of oxygen at 48 c occupies 622 ml.if this sample later occupies 1252 ml at 55 c and 1.4 atm what was its
Calibration of a glass electrode gave a reading of 148.7 mV with 0.05 m potassium dihydrogen citrate buffer standard (pH = 3.766) and a reading of -167.4 mV with 0.01 m borax buffer standard (pH = 9.139), both measured at 30°C.
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