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Hydrogen gas was cooled from 150C to 50 C. It's new volume is75 mL. What was it's original volume?
2A(g) + 3B(g) → A2B3(g) If 0.5 atm of gas A is mixed in an evacuated reaction flask with 1.0 atm of gas B, what is the final pressure in the reaction flask? (assume that the reaction goes to completion)
high boiling point are obtained now you need to identify the limiting reagent and compute the percent yield of nitrobenzene
Question about Aromatic Compounds, Explain the following: a.) The cycloheptatrienyl anion is antiaromatic, whereas the cyclononatetraenyl anion is planar (in spite of the angle stain involved)
suppose that coal of density 1.5g/cm3 is pure carbon. the combustion of carbon is described by the question C(s)+ 02(g)- CO2 H= -394kJ
Determine the mass of RbCN required to prepare a 500 mL solution which is .12 M RbCN (MW = 112 g/mol).
A cylindrical glass tube 15.0 cm in liength is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 9.64g.
calculate the approximate mass of KHP required to react with 40.0 mL of 0.125 M sodium hydroxide in titration.
What volume will a mixture of 0.65 mole H2 and 0.63 mole Kr occupy at 741 torr and 53.0 degrees celcuis
Standard Electrode Potential (E), a) Write the equation for the cell reaction and indicate cathode and anode half-cells for the electrochemical cell formed from Mg/Mg2+ half-cell and In/In3+ half-cell.
How many isomers of dimethylcyclohexanediol could you get from complete hydroboration-oxidation of 1,4-dimethyl-1,4-cyclohexadiene? Draw them all.
Two students weighed a 125-ml beaker that had a mass of 80.562g on a calibrated top-loading balance. Each student used their own top-loading balance, recorded three mass readings for the beaker
0.375 kg of water are in a well insulated container at 21.3 c. After 4.184kj of heat are added to the water, what is the final water temperature ?
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