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Explain write a balanced redox reaction for the complete oxidation of ethene (H2C=CH2) to CO2 coupled to the reduction of sulfate to bisulfide. Note that the oxidation define of each carbon in ethene is -2.
A lead weight hanging from a string is suspended in the water and the mass reading on the scale increases to 127.9 g. The lead weight falls from the string, rests on the bottom of the beaker and the reading becomes 309.4 g. What is the mass of wat..
The half life of the radioisotope^ 158,47Eu is 1.0 hr.the decay of a 16.0g sample of the isotope to 1.25g required how many hours
a 0.100 molal solution of a non-electrolute in water raises the boiling point of the resulting solution by 0.052
What alkene (including cis and trans isomers) would be produced by the dehydration of the following alcohols? Where possible, predict the relative amounts of each product according to Zaitsev's rule. a. 3-pentanol b. 2-methyl-2-butanol c. 1-butano..
Explain why a determination of the rate law can never prove a proposed reaction mechanism but can sometimes disprove
A mixture of CaCO3 and CaO weighing 0.705 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.474 g.
We have been assuming that the change in U at a constant T is 0; for this problem, do a derivation that provesdu/dp)T =0 for a perfect gas in a closed system.
suppose that a 5.0X10^-5 M solution of Ba(OH)2 is prepared. What is the pH of the solution?
A 1.07 g sample of a Noble gas occupies a volume of 363 mL at 35°C and 678 mmHg. Identify the Noble gas in this sample? A) He B) Ne C) Ar D) Kr E) Xe
how many N2 molecules can be produced after the explosion of 2.37 kg of NH4NO3? (Molar mass of NH4NO3 is 80.06 g/mol.)
Fermentation of glucose produces ethyl alcohol and carbon dioxide; C6H12O6(l) ? 2 C2H5OH(l) + 2 CO2(g) What is ?H°rxn (in kilojoules) if 385.3 mL of CO2 was collected over water at 20.00°C and 761.2 mm Hg
The combustion of one mole of ethanol (C2H5OH(l)) to produce carbon dioxide and gaseous water has ?Hr = -1235 kJ · mol-1 at 298 K. What is the change in internal energy for this reaction?
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