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A current of 10.0 amps flows for 2.00 hours through an electolytic cell containing a molten salt of mental X. This results in the decomposition of 0.250 mole of metal X at the cathode. The oxidation state of X in the molten salt
Assume that a particular reaction evolves 224kj of heat and that 24kj of work is gained by the system. what are values of delta E and delta H for the system
C4H10O with boiling points of A (117.5) B(82.9) C (34.6) D (99.5) The liquid likely to have the highest vapor pressure at 25 degrees Celsius is? the intermolecular attractive forces of these are likely to be ordered? what structural isomer is most..
Why is high pressure needed in Hplc? And what is a bonded phase in liquid chromatography
What mass of C4H6 in grams is consumed in the reaction below when 39.8 grams O2 (g) are also consumed? C4H6 (g) + O2 (g) ' CO2 (g) + H2O (g) (not balanced)
ammonia gas is produced by reacting hydrogen gas with nitrogen gas. to produce 856 g of ammonia gas using air as your
Which compounds reacted only with AgNo3 in ethanol. Why. Did any compounds appear not to react under either condition, even when heat was added ? Explain, for each compound, why it might not react by a substitution reaction.
What is the function of a chemical indicator. (is the answer the function is to determine if a sample solution is a base or an acid?) Why is water considered neutral
Give the basicity order? List from most to least basic. 3. Explain the basicity order in terms of resonance and inductive (polar) effects and solvation effects.
which of the following statements about colligative properties of solutions is false?1. the higher the concentration of
Draw the structures of the E and Z stereoisomers of 1,4-diphenyl-2-butene-1,4-dione and label which is the cis and which is the trans
Explain the structure for 4-ethyl-2,3-dimethyl-2-heptene?
calculate the work done in joules when 50.4 g tin is dissolved in excess acid at 1.04 atm and 20 degrees celsius.
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