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1. Calculate the energy in J required to raise the temperature of 250g of ice from -5.5C to 110C at 1 atm. 2. A aqueous 5L salt solution contains 0.5kg of NaNO3. Calculate the melting point, boiling point, vapor pressure and osmotic pressure of the solution at 25C. Assume density = 1.0g m/L. 3. C3H6 + H2--------C3H8 Keq=7.4 X 10 to the 16th power2M propene gas reacts with 1M hydrogen gas to form propane gas. At equilibrium what concentration of hydrogen remains?
Does ammonium chloride added to water produce a simple solution, does the ammounium chloride dissociate or does a chemical reaction occur resulting in a new set of compounds.
For a metal salt (MX3) that has a Ksp value of 3.5 x 10-5, what is the delta G for the following reaction? M3+ + 3 X- MX3(s)
A gas occupies 22.4 L at STP and 14.5 L at 100°C and 2.00 atm pressure. How many moles of gas did the system gain or lose?
What is the % efficiency of the separation? (i.e. If X represents the anion that precipitates first, then what fraction of X was precipitated from the solution at the instant the second precipitate starts to form?)
Find out the morality of KMnO4 when the mass of the Fe-ASH sample is 1.0913 g, and the volume is 32.1mL
Question- 1.0.213g of an unknown monoprotic acid required 34.55mL of 0.1007M NaOH solution to reach a pink end point with phenolphthalein.
how much energy is needed to convert 180 grams of ice at -10ordmc to liquid water at 10 ordmc? the molar heat capacity
A triiodide solution was being examined by coulometry. The instrument measured 33.7 coulombs from the quantitative reduction of triiodide to iodide ion for a 10mL solution. Compute the concentration of triiodide in the solution.
In class we preformed an equilibrium constant lab measuring an equilibrium constant for an esterification reaction between carboxylic acid and an alcohol to form an ester and water. The reaction was between acetic acid and n-propyl alcohol to form..
Molten carbonate fuel cells fueled with H2 convert as much as 60% of the free energy relased by the formation of water from H2 and O2 into eletrical energy
if 1.67l of oxygen reacts with hydrogen gas to produce liquid water how manny liters of hydrogen gas will be needed.
A compound contains 69.94 percent iron and 30.06 percent oxygen. What is its molecular formula if the molar mass of the compound is 199.55 grams per mole?
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