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In Breckenridge, Colorado, the typical atmospheric pressure is 520. torr. What is the boiling point of water (?H = 40.7 kJ/mol) in Breckenridge? The calculated boiling point of water in Breckenridge is 363K. What pressure would have to applied to steam at 391°C to condense the steam to liquid water?
If the heat capacity of the calorimeter is 32.30 kJ·K-1, how many nutritional Calories are there per gram of the candy
The quantity of acetylene (HC+CH) in a gas mixture was measured by mass spectrometry, in which the signal for mass number 26 is proportional to the volume percent of acetylene. Gas Signal (mV) Blank containing no acetylene 0.2
Calculate the molar solubility of Fe(OH)2 in a buffer solution where the pH has been fixed at the indicated values. Ksp = 7.9 x 10-16 , Ph=7.5
If the BaSO4 residue was baked in an oven at 100C for several hours rather than air drying, what effect would this have on its mass and how would the initial concentration of H2SO4 be affected
Calculate the molar mass of a gas if 4.40 g occupies 3.50 L at 560 torr and 41°C.
calculate the percentage of empty space in 1 mole of water at 25 c. obbtain the density from the experiment" some measurements of mass and volume."
A 26.1 g sample of pure iron at 77°C is dropped into 93 g of water at 17°C. What is the final temperature of the water-iron mixture.
If 290. mL of 0.130 M KOH are mixed with 200. mL of 0.430 M KOH, what is the molarity of the final solution?
A solution is known to contain Bi3+ ion or Cd2+ ion or both. Describe the test(s) that could be used to separate and identify these ions. Describe the results you would expect to see for each ion, if that ion were present.
where all compounds are assumed as covalent then determine which reaction must be endothermic and also explain your answer briefly?
The initial concentration of lead(II)nitrate is 0.250M. and we used 1.00 ml. the lead(II)nitrate was titrated with 7.96 ml of 0.0500M of potassium iodide. A) Determine the concentration of lead(II) ion. B) Determine the iodide concentration. C) Det..
Determine heat of neutralization per mole of water formed for the reaction of NaOH and HCl with the following data
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