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What is the temperature of 0.600 mol of gas at a pressure of 1.5 atm and a volume of 12.1 L? T=?K
Describe the pH of a buffer solution consisting of 100 mL containing 0.1M CH3COOH and 0.125M CH3COO- , both before and after addition of 10 mL of 0.25M HCl. Ka = 1.8 x 10-5.
When numbers are very small or very large, it is convenient to either express the value in scientific notation and/or by using a prefix with the unit.
A star is 3.28 x 1014 km from Earth. How many days does it take for light to travel from the star to Earth?
The normal boiling point for acetone is 56.5°C. At an elevation of 5300 ft the atmospheric pressure is 630. torr.
you dissolve 0.10 moles of this amino acid in 100 mL of water. What volume of 1M HCl or 1M NaOH do you need to add to the soluion to attain a final pH = 8.6?
Assume that the heat capacity of water for the temperature rangere in the heat exchanger is constant at 7.54x10^-2 kJ/mol C) What is the temperature of water leaving the heat exchanger?
A solution of sodium chloride in water has a vapor pressure of 20.3 torr at 25°C. What is the mole fraction of NaCl in this solution?
Derive an expression for the instantaneous temperature as a function of the instantaneous pressure, and use it to sketch T/Ti vs P/Pi.
If a solution containing 61.402 g of mercury(II) perchlorate is allowed to react completely with a solution containing 17.796 g of sodium sulfate, how many grams of solid precipitate will be formed?
he worked up the reaction and isolated 2.4 g of MnCl2. What was his percent yield?
What are the spectator ions in the solution after the complete neutralization reaction occurs when mixing the strong base NaOH
Ethane C2H6 burns in oxygen a.) what are the products of reaction b.)write the balanced equation for the reaction
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