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when aluminum is heated in oxygen, aluminum oxide is formed. What weight of the oxide can be obtained from 25.0g of the metal.
How many moles of carbon monoxide are needed to produce 48.0 L of hydrogen gas according to the following reaction at 0 C and 1 atm carbon monoxide (g) + water (l) ------carbon dioxide (g) + hydrogen (g)
Determine the pressure change when a constant volume of gass at 1.00 atm is heated from 20.0 C to 30.0C.
During the electolysis of fused BaCl2, which reaction occurs at the cathode? (1)Chloride ions are oxidized (2) Chloride ions are reduced (3) Barium ions are oxidized (3) Barium ions are reducued
If 5.400 g of C6H6 is burned and the heat produced from the reaction is absorbed into 5691 g of water and 21 degrees C, what is the final temperature of the water?
A sample of ammonia gas at 65.5°C and 524 torr has a volume of 15.31 L. What is its volume when the temperature is -15.8°C and its pressure is 524 torr
An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 6275 J. What is the specific heat of the gas?
Mixed Aldol Each of the following compounds can be prepared by a mixed aldol condensation reaction. Give the structure of the aldehyde and/or ketone precursors for each aldol product and formulate the reaction.
how many possible trisubstituted derivatives c6h3x2y can be obtained from the meta disubstituted benzene c6h4x2? (ignore directive effects of the substituents x and assume that all positions on the ring are accessible to the reagent y+).
What type of feature will be observed in the EI mass spectrum of chlorobenzene? A) A signal at 112 and a signal at 114 in a ratio of 3:1
Automobile antifreeze is made by mixing equal volumes of ethylene glycol (d=1.114 g/mL, MW= 62.07 g/mol) and water (d=1.00 g/L, MW= 18.02 g/mol). Assume that the volume are additivr, calculate concentrationin the following units:
An unnormalized wavefunction for an electronin a carbon nanotube of length L is sin(2pix/L). Normalize this wavefunction.
The pH of a 9.63×10-4 M solution of a weak base is 10.15. Calculate Kb for this base to three significant figures.
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