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What is the percent yield of elemental sulfur if 7.54 grams of sulfur are obtained from the reaction of 6.16 grams of SO2 with an excess of H2S?2H2S + SO2---> 2H20 +3S
a sample of h20 with a mass of 46.0 grams has a temperature of -58.0 celcius. how many joules of energy are necessary
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.
If the vapor pressure of PCl3 gas above the liquid were 0.085atm at 30 degrees Celsius, would you expect the reaction to proceeds towards more evaporation or would you expect condensation of gas into liquid
What is the pH at the equivalence point? what is the pH at the 10.0 mL base added? what is the pH at the 30.0 mL base added?
Calculate the amount of heat (in kJ) required to convert 63.3 g of water to steam at 100°C. Use the correct amount of sig figs.
State what these are, how they are made, and one way they can be used productively in research and one way they can be used in medical diagnostics.
I told you not to take the drug N-methyl Prozac, but if you did not listen to me and trusted your organic chemistry skills enough and took some, would anything happen because the synthesis we carried out made the racemic drug
what is the % mass of acetic acid in the vinegar? Hint: What is the mass percent of aceditc acid titrated and what is the definition of % mass?
What mass of sucrose should be combined with 514 g of water to make a solution with an osmotic pressure of 8.85 atm at 295 K? (Assume the density of the solution to be equal to the density of the solvent.)
Calculate the concentrations of all species present (C6H5NH2,C6H5NH3+,OH-, and H3O+ ) in a 0.14M solution of aniline. Express using two sig figs.
Compute the heat amount required to heat a 3.9kg gold bar from 28 degree Celsius to 68 degree Celsius. Given Specific heat capacity of gold = 0.128 J/g°C.
How much ice in grams would have to melt to lower the temperature of 358 g of water from 40 degrees to 0 degrees? (Assume that the density of water is 1.0 (g/ml)
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