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Name 4 properties of a compound that is directly influenced by the polarity of the compond. And state the 2 most important factors that affect the polarity of a compound.
How much heat is absorbed in the formation of 1.69 mol of NO? Answer units KJ
calculate the standard emf of a cell that uses the mgmg2 and cucu2 half-cell reactions at 25 degrees celsius. write the
In a treatment that decreases pain and reduces inflammation of the lining of the knee joint, a sample of dysprosium- 165 with activity of 1100 counts per second was injected into the knee of a patient suffering from rheumatoid arthritis.
Tartaric acid is dissolved into distilled water and then diaminocyclohexane is added. What sort of reaction is taking place between tartaric acid and a-methylbenzylamine
A) a saturated solution of metal hydroxide, M(OH)2, has a pH of 10.35. Calculate the molar solubility and the ksp, for this metal hydroxide? M(OH)2(s) >>M^2+2OH1- B) What is the molar solubility if this metal hydroxide in 0.10 M M(NO3)2
A sample of gas has a mass of 0.565 . Its volume is 119 at a temperature of 80 and a pressure of 746 . Find the molar mass of the gas.
Consider the synthesis of methane from hydrogen gas and carbon at 1370mmHg and 450 C.
A. Epinephrine, C9H13NO3, has a concentration of 10-10 M in circulating blood. Calculate the diameter of a round swimming pool with a water depth of 2.0 M that would be needed to dissolve 1.0 g (about a teaspoon) of epinephrine.
the enthalpy of vaporization of ethanol i 43.5 kj/mole at its normal boiling point of 352 k. using avalue of the molar heat capacity of liquid ethanol of 111.46 j/k/mol
Homologous recombination is initiated
a 25.0 ml sample of 0.100 m lactic acid hc3h5o3 pka 3.86 is titrated with 0.100 m naoh solution. calculate the ph
If several large air bubbles entered the graduated cylinder filled with water when it was inverted into the water trough, what would the effect be on a plot of volume H2(g) vs. mass Mg?
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