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The enthalpy of combustion of acetylene C2H2 is C2H2(g) + 5/2O2(g) ->2CO2(g) + H2O(l) H°rxn= -1299 kJ Calculate the enthalpy of formation of acetylene, given the following enthalpies of formation H°f[CO2(g)] = -393.5 kJ/mol ,H°f[H2O(l)] = -285.8 kJ/mol
The professor wants us to do the following: Outline all steps in the possible synthesis of each of the following compounds from benzene and / or toluene
In 1978, scientists extracted a compound with antitumor and antivirus properties from marine animals in the Caribbean Sea. A sample of the compound didemnin-A
If 3.98 g of copper was recovered and you started with 9.10 g of copper (II) chloride, then what is the percent yield of the reaction ?
The speed needed to escape the pull of Earth's gravity is 11.3 km/s. What is this speed in mi/h.
A 24.0 g sample of nitrogen gas reacts with an excess of hydrogen gas to give an actual yield of 3.85 g NH3. What is the percent yield for this reaction? Reaction: N2(g) + 3 H2(g) ? 2 NH3(g)
compute the enthalpy change, (Delta H), for this reaction per mole of A. suppose that the specific heat =[4.18J/(g*Degrees C) and density=1.00(g/mL)?
Explain why the boiling point of an aqueous solution that is 1.0 m in glucose (C6H12O6) is 100.51oC whereas The boiling point of an aqueous solution that is 1.0 m in NaCl is 101.02 oC .
What is the molality of CrCl3 in a solution prepared by dissolving 75.2 g chromium(III) chloride hexahydrate in 250.0 g of water.
A basketball is inflated to a pressure of 1.50 atm in a 20.0C garage. What is the pressure of the basketball outside where the temperature is -5.00C.
a sample of gas occupies 328 mL at 20 degrees C. What is its volume when the temperature is increased to 45 degrees C.
In the electrolysis of aqueous NaCl, how many liters of Cl2(g) (at STP) are generated by a current of 7.50 A for a period of 100. min.
What is the balanced equation for copper (II) hydroxide + acetic acid (HC2H3O2)? and what is it's reaction, single, or double replacement.
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