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Put the species below in the order of strongest to weakest nitrogen-oxygen bond. Including Lewis structures and formal charges.H2NOHNO+N(O2)-N(O3)-NO* (free radical)
Calculate the molarity of a solution of acetic acid made by dissolving 19.00 of glacial acetic acid at 25 in enough water to make 230.0 of solution.
if 0.200mole of NaOH is added to 1 liter of solution that is 0.100M in aqueous ammonia and 0.200M in ammonium chloride how much does the Ph change.
a gas is confined to a cylinder under constant atmospheric pressure. when 415 j of heat is added to the gas it expands
a balloon contains 0.140 g of helium at a pressure of 1.00 atm. at what temperature will the balloon have a diameter of
The vapor pressure of ethanol at 34.7 degrees Celsius is 100mmgh, and the heat of vaporization of ehanol is 38.6 kj/ mol. What is the vapor pressure of ethanol in mm Hg at 65.0 degree celcius
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the equation: PCl5(g) ? PCl3(g) + Cl2(g) At 250° 0.375 M PCl5 is added to the flask. If Kc = 1.80, what are the equilibrium concentrations of each gas?
Find the Qsp if The solubility product of Ag 2 CO 3 =6.2 × 10-12. Also determine whether a precipitate forms in the solution (Assume 20 dropsper milliliter.)
You take 3.1789 g of a substance and place it into 100.0 g of benzene. The boiling point of this solution is found to be 80.5464 C. What is the approximate molar mass of the substance? Bp of CCl4 is 80.1 C and the Kb is 2.53 C/m
A quantity of ice at 0°C is added to 66.4 g of water in a glass at 55°C. After the ice melted, the temperature of the water in the glass was 15°C. How much ice was added? The heat of fusion of water is 6.01 kJ/mol and the specific heat is 4.18 J/(..
A 0.2758-g sample of a monoprotic acid neutralizes 74.0 mL of 0.07106 M KOH solution. Calculate the molar mass of the acid.
an activation energy of 43.6 kJ/mol, what will be the rate constant for this reaction at 75oC?
Question about Thermochemistry, Consider the reaction: H2(g) + Cl2(g) yields 2HCl(g) Change Heat = -184.6
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