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Explain how many milliliters of water vapor, measured at 318 degrees C and 735torr, are formed when 33.6mL of NH3 at 825torr and 127 degrees C react with oxygen according to the following equation? 4 NH3 + 2 O2 ---> 2 N2 + 6 H2O
how many mL of chlorine gas are required to produce 0.50L of hydrogen chloride gas(HCl) at constant temperature and pressure?
A buffer solution is prepared by adding 0.20 mole of ammonia and 0.30 mole of ammonium chloride to enough water to make one liter of solution. Ka = 5.7 x 10-10 for ammonium.
What is the enthalpy change associated with the formation of 0.58 mol H2O in the following reaction? CH4 + 2O2 ---> CO2 + 2H2O change in heat is 890.3 Kilojoules a. 516 b. 258 c. -1530 d. -258 e. -516
if 0.91 mol of cs2 reacts with oxygen completely according to the equation cs2l 3 o2g rarr co2g 2 so2g what volume
Using the value of 7.3 kcal/mole for ATP, how many kcal are conserved as ATP from one mole of glucose in each of the following
Student prepared .10M solution of formic acid and found it's pH at 25 Celsius to be 2.38. What is the pKa of formic acid at this temperature?
Glass will dissolve in concentrated solutions of either NaOH or KOH. At 25C the two reactions below tae place at the same rate. 4NaOH + SiOH2 -->Na4SiO4 + 2H2O is reaction 1. reaction 2 is 4KOH + SiO2 ---> K4SiO4 + 2H2O
Teperature(K) Pressure(Torr) 65 130.5 70 289.5 75 570.8 80 1028 85 1718 1. Use the data to determine the heat of vaporization of nitrogen. 2.Determine the normal boiling point of nitrogen
explain the use of nuclear isotope in medical field.1. write a paragraph expaining what nuclear isotope can be used for
Calculate the pH after the addition of 0.0048 mol of NaOH and Calculate the pH after the addition of 0.018 mol of HCl.
Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and that the alcohol vaporizes at 25. Suppose that 1.15 of rubbing alcohol evaporates from a 65.0 aluminum block.
Atmospheric pressure was 744.6 mmHg. Calculate the value of R from this experiment. The vapor pressure of water at 21 degrees Celsius is 18.7 mmHg.
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