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Problem- Gaseous methane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water. What is the theoretical yield of water formed from the reaction of .32g of methane and .51g of oxygen gas?
You must show your work in an efficient manner so I can understand it in clearly
Question- How many moles of photons with a wavelength of 697nm would need to strike a material in order for it to absorb 54.7 kJ of energy
calculate the buffer capacity of a 0.05m salicyclic acid solution at pH7. at what pH is the buffer capacity maximum?
What is the PH of the buffer that results when 12.0 g of NaH2PO4 and 8.00 g of Na2HPO4 are diluted with water to a volume of .50 L? (Ka of H2PO4=6.2*10^-8, the molar masses are 120.0 g/mol and 142. mol respectively.
Problem- Write down the chemical formula for 3 weak acids and 3 strong acids and 3 weak bases and 3 strong bases.
A Student dispenses 24.95 mL of a hydrochloric acid solution with an unknown concentration into an Erlenmeyer flask. The student then titrates the HCl solution with 0.168 M sodium hydroxide. If 24.33 mL of NaOH is required to reach the equivalence..
The standard cell potential for the following galvanic cell is 0.92V. Al(s) Al3+(aq) Cr3+(aq) Cr(s). Calculate the standard reduction potential for Cr3+/ Cr Cr half cell.
How does lowering the temperature of the chambers in the simulation change the speed at which the molecules move?
How large should n be in order to approximate the integral from 0 to 1 sin(X^2) dx accurate to with in .001 using the midpoint rule (please show how to find the K value also)
which of the following will be more soluble in acidic solution than in pure water?
What is delta G for the transfer of 6 mol K+from blood plasma to the cellular fluid at body temperature(37C). What is the minimum amount of work that must be used to transfer this K+
the concentration of Hcl in a solution by titrations using different indicators to find the end point. Is the difference between indicators 1 and 2 significant at the 95% confidence level?
For a protein with a molar mass of 1 x10 6 u calculate the molar concentration required to obtain an osmotic pressure of 10 matm at 25 degrees C
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