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A bacterial culture isolated from sewage produced 35.5mL of methane, CH4 at 31degrees Celcius and 753 mmHg. What's the volume of this methane at standard temp. and pressure(0 degrees C and 760 mmHg)?
If 175 g of X reacts completely with diboron trioxide to produce 2.43 mol of B4X3, what is the identity of X?
Why would it have been expected for iodine to have emission lines that included all colors of the visible spectrum? explain
What are the consequences of removing some of the phase transfer catalyst along with the hot reaction mixture after refluxing
Determine the value for delta H solution at infinite dilution calculated from the following delta standard H of formation
what is the major product of the reaction between methanol and 2r3s-2-bromo-3-methylpentane at room
name the four general types of carbonyl reactions. give an example of each including a detailed mechaism. use a propyl group next to a carbonyl in each example.
a student placed in an unknown sample plate thin layer chromatography and develops in dichloromethane as solvent. only there is a spot whose Rf is 0.95. This indicates that the unknown material is a pure compound
Find the concentration of Pb2 in 0.0010 M KI saturated with PbI2. Include activity coefficients in your solubility-product expression. The Ksp of PbI2 is 9.8× 10-9. Hint from sapling below: Including activity coefficients, the solubility-product e..
The two isotopes of uranium, U-235 and U-238 can be separated by effusion of the corresponding UF6 gasses. What is the ratio of the root mean square speed 238-UF6 to that of 235-UF6
Two 33.5-mL samples, one 0.116 M HCl and the other 0.116 M HF, were titrated with 0.236 M KOH. (a) What is the volume of added base at the equivalence point for each titration. HCl mL HF mL
Draw Lewis dot structures for each of the following molecules.
A bankrupt chemical firm has been taken over by new management. On the property they found a 20,000 m3 brine pond containing 25,000 mg/L of salt
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