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Synthesis gas can be made by reacting red-hot coal with steam. Estimate the temperature at which the equilibrium constant for the reaction is equal to 1.
How does the entropy of water molecules at the air-water interface differ from molecules in the bulk, and why is it different?
Why is the first step in an electrophilic aromatic bromination reaction so much more endothermic than the first step in an electrophilic addition to an alkene
Small quantities of oxygen can be prepared in the laboratory by heaing potassium chlorate, KClO3(s). The equation for the reaction is 2KClO3 arrow 2KCl+3O2 Calculate how many grams of O2(g) can be produced from heating 26.6 grams of KClO3(s)
1) Bakelite us obtained by the condensation of : 2) When HCHO reacts with Nh3, the compound formed is :
During a work-up, we are asked to interrupt vacuum, "drizzle" cold methanol over the crude product, then reestablish vacuum. What is the purpose of this step and why does the methanol need to be cold
Explain why platinum's potential decreased with time and explain why the steady-state value was -0.413V vs SHE.
calculate how many protons are required to pass through the xeno-FoF1-ATP synthase complex to synthesize one ATP.
In a solution of glucose and water, if 4.5% of the mass is glucose, how many grams of the solution contain 2.25 g glucose ?
A 4.50-g sample of LIL at 25.oC dissolves in 25.0 mL of water also at 25.0C. The final equilibrium temperature of the resulting solution is 60.8C. What is the enthalp of solution of LICL expressed in kilojoules per mole?
How many kilograms of CaH2 are needed to fill a 147 L tank with compressed H2 gas at 160 atm pressure and 27 degrees C?
A 4.78 g sample of aluminum completely reacts with oxygen to form 6.67 grams of aluminum oxide. Use this date to calculate the mass percent composition of aluminum in aluminum oxide.
A mixture consisting of 50 grams ethanol and 50 grams water is distilled using an efficient column. How much water will remain in the distillation flask the instant all of the azeotrope has distilled?
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