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42 g of a nonvolatile, nonelectrolyte solute of unknown molecular weight is dissolved in 40.0 g of camphor, and the freezing point of the solution is measured to be 163.7 oC. What is the molecular weight of the solute?
Most of the alkali halides exhibit the "rock salt" structure shared by NaCl. Using the ionic radii Li 76pm, F 133pm, K 138pm, Br 196pm, show that LiF and KBr are consistent with the rule of thumb that the NaCl structure occurs for radius ratios be..
At 1500 degrees C the equilibrium constant for the reaction CO(g)+2H2(g) -->
the gaseous product of a reaction is collected in a 25L container at 27degrees celsiu. the pressure in the container is 300.0 kPa. how many moles of the gas are in the container.
Calculate the total enthalpy change in the first stage and in both stages
If 7.100 g C6H6 is burned and the heat produced from the burning is added to 569g of water at 21°C, what is the final temperature of the water?
A spherical fat cell has a diameter of 2.47 micrometers. The fat cell contains three copies of the protein azurin. What is the molar concentration of azurin within the fat cell
consider a reaction in which ferric oxide is converted to iron and gaseous oxygen. If this reaction is only 83% efficient and the ferric oxide is only 87.5% pure, what mass of ferric oxide is required to make 3 moles of iron
Question- 1) What are the 2 net ionic equations for when Mn^2+ gets NaOH added, NaClO added, and finally NH3 added
How does the hydrogen ion (H+) [or the hydronium ion (H3O+)] and the hydroxide ion (OH-) fit into all of this? What is their role in this reaction?
Compute the standard enthalpy of formation of gaseous diborane (B2H6) using the following thermo chemical information: 4B (s) + 3O2 (g) ==> 2B2O3 (s) change in H= -2509.1 kJ
Distinguish between the kinetics of a reaction and its process towards equilibrium. (Compare/contrast kinetics and equilibrium.)
What are the five areas of leadership strengths and how should one go about identifying one's own strengths?
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