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A solution of H2SO4(aq) with a molal concentration of 3.22 m has a density of 1.183 g/mL. What is the molar concentration of this solution?
Solid ammonium nitrate (NH4NO3) and solid calcium chloride were placed in water and the mixture was stirred. What is the precipitate?
a 93 L sample of dry air cools from 145 degrees C to -22 degrees C while the pressure is maintained at 2.85 atm. what is the final pressure?
Phenolphthalein is one of the most common indicators. What are its colors in acidic and in basic solutions?
The equilibrium constant at 25°C is 8.9 × 10-12. One hundred grams of magnesium hydroxide is added to 1.00 L of water and equilibrium is established.
you want a solution that will buffer the addition of either 10 micro moles of acid or 10 micro moles of base. total buffer concentration is equal to the concentration of the acid plus the concentration of salt in the acid. which of the following b..
A gas sample has an original volume of 650 ml when collected at 750 mm and 30°C. If a change is made in the gas temperature which causes the volume of the gas sample to become 800 ml at 1.00 atm, what is the new temperature
What is the rate law and rate constant for the decomposition of HF at 25 degrees Celcius
Zinc is used to make galvanized iron pipes. these pipes are protected from the rust reactions that would normally occur. Which statement best explains why zinc is used.
Calculate the pH of this solution? if we want to lower the pH by one unit of this solution then How many mL of 0.1 M H 3 PO 4 should be added to this solution?
Water has a specific heat of 4.184 J/g x Celsius, weighs 130.00 g, and goes from 25 to 28 degrees Celsius when a metal is placed in the water. The metal weighs 45.00 g, and the temperature changes from 23 to 89 degrees Celsius. Calculate the speci..
What NaCl concentration results when 214 mL of an 0.680 M NaCl solution is mixed with 592 mL of a 0.230 M NaCl solution
What length of mirror drive in a Michelson interferometer is required to produce a resolution sufficient to separate a) infrared peaks at 500.6 and 500.4 cm-1
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