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A mixture containing 9 mol of F2 and 4 mol of S is allowed to react. This equation represents the reaction that takes place.
3F2 + S= SF6
How many moles of F2 remain after 3 mol of S have reacted?
Define the enthalpy of FeBr3 (s) is -269 kj/mol and the enthalpy of the reaction 2Fe(s) +3Br2(g) ->2FeBr3 (s) is -631 kj/mol. Compute the enthalpy of evaporation of Br2 (l) which is liquid at 25C.
If the reaction of chloroethane with water in the gas phase to produce ethanol as well as hydrogen chloride has a ΔH=26.6 kJ mol-1 and ΔS=4.81 J K-1 mol-1at 25C. Be careful with the units. Compute ΔG for the reaction as well as equilibrium constant..
Converting Grams and Moles, To do this assignment, use your calculator to do the calculations required. Then invert the calculator to read the message word. Insert the message word into the appropriate space in the statement
The solutions mixed together are 51.7 mL of 0.110 M hydrochloric acid, 102.4 mL of 0.213 M of nitric acid, 500.8 mL of 0.0101 M calcium hydroxide, and 201.7 mL of 0.114 M rubidium hydroxide. Did the acids and bases exactly neutralize each other?
What is the importance of chemistry to agriculture, Write summary of total one page and include references as well.
A gaseous mixture containing 0.200 mol fraction of carbon tetrachloride (CCl4) and 0.800 mol fraction of dry air is initially at 73.0 °C and 1029 mmHg. what temperature does the CCl4 first start to condense
The root-mean-square (rms) speed of a sample of molecules was found to be 1.8*10^3 m/s at 25.0 degrees C. After heating, the rms speed was found to be 4.6*10^3 m/s. What was the temperature of the sample after heating
Explain in detail why the sugar would cause the ice cubes to melt while it causes the temperature to drop. Is this related to freezing point depression? please explain.
A peptide with the amino acid sequence C-P=T-Y-R-L-D-Q (MW = 995.12 g/mol) is dissolved in this solution at a concentration of 5 micromol.
An aqueous solution is 8.50% ammonium chloride, NH4Cl, by mass. The density of the solution is 1.024 g/mL. Explain what are the molality, mole fraction, and molarity of NH4Cl in the solution
If we wanted to prepare a buffer with boric acid and borate that had a final pH of 8.50, with a formal concentration of 0.10 M (i.e. 0.10 M = boric acid + borate), what concentrations of boric acid and borate do we need to use
Problem- Does there appear to be a relationship between the presence or absence of solution color and the electronic configuration of metal ions
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