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A solution of 500g of an organic compound in 25.00 g carbon tetra chloride boils at 84.8 degrees Celsius. Explain what is the molecular weight of the compound? BP Ccl4 is 76.5 degrees Celsius as well as the Kb is 5.03 degrees Celsius/m
This energy is called the work function of that metal. What is the longest wavelength of radiation (in nm) that could cause the photoelectric effect in each of the following metals
A buffer containing 0.4316M of acid, HA, and 0.1549M of its conjugate base, A- has a pH of 2.20. What is the pH after 0.0019 mol NaOH
Tartaric acid is the white, powdery substance that coats sour candies such as Sour Patch Kids. Combustion analysis of a 12.01- sample of tartaric acid-which contains only carbon, hydrogen, and oxygen-produced 14.08 and 4.32.
The energy diagram shown represents the chemical reaction between solid ammonium chloride and solid barium hydroxide octahydrate: 2NH4Cl(s)+Ba(OH)2 * 8H2O(s)-----2NH3(aq)+BaCl2(aq)+10H2O(l)
a light woman and a heavy man jump from an airplance at the same time and open their same-size parachutes at the same time. which person will get to a state of zero accerlation first?
Both Glu and Lys are charged amino acids yet Glu has a significant Rf compared to Lys; explain. ( The solvent/moving phase is 20% acetic acid)
When we go across a row of the periodic table, electrons are added and the ionization energy typically increases. When we go down a column, however, electrons are being added but the ionization energy typically increases. Explain this behavior. Th..
Compute the concentration (in molarity) of a NaOH solution if 35.0 mL of the solution are needed to neutralize 12.0 mL of a 0.312MHCl solution
lithium iodide has a lattice energy of -720kjmol and a heat of hydration of -793kjmol. determine how much heat is
A gas mixture in a 4.600 L container at 415°C contains 1.00 g each of Ar, CO, and CH4. Find the partial pressure of CH4. Enter units.
Draw resonance structures to show in which position 4-methylacetanilide will undergo nitration.
If the body fat has density of 0.94 g/ml and 3 quarts of fat are removed, how many pounds of the fat were removed from the patient
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