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Before running your reaction, you determined that the mixture amount of product you could obtain was 3.74 g. However, after completeing your reaction the mass of product obtained was only 2.486 g. What mass is your theoretical yeild? What is your percent yeild?
What if any experimental evidence do you have that the equilibrium is affected by the addition of concentrated HCL? Explain Are your observation and explanation in A consistent with Le Chatelier's Principle? Explain
Which of the following bond moments would cancel the lone pair moment? S=O S-F N-H another lone pair Consider the molecules F2, OF2, PF3, CF4, and BF3. Which molecules have a dipole moment?
Explain the process of reduction when referring to metals within the earth. It is possible to have glass and asbestos with identical composition, and yet one is considered hazardous and the other is not.
a 0.331-g sample of aspirin prepared in the lab was dissolved in 95% ethanol and titrated to a phenophthalein endpoint with 16.7 ml of 0.107M NaOH Calculate moles of scetylsalicylic acid present in the aspirin sample ;What mass (g) of scetylsalicy..
Consider the preparation of benzalacetophenones (chalcones). draw the chalcone product if the aldehyde
If atoms of element Z have a mass of 0.815 , what is the identity of Z?
Calculate the wavelength (in picometers) associated with a hydrogen atom moving at a speed of 3.13 x 10^5 cm/s.
What alcohol would be most easily dehydrated. One that is on a long chain or a short chain
(the freezing point constant is 1.86 C/m). On the basis of these data, one can conclude that the nonelectrolyte has a molecular weight of?
A 26 mL sample of a solution of MgF2 was diluted with water to 75 mL. A 25 mL sample of the dilute solution was found to contain 0.04 moles of F-. What was the concentration of MgF2 in the original undiluted solution
what masses of glaubers salt must be used to provide 6 mol of sodium
a sample of chlorine gas occupies a volume of 946ml at a pressure of 726mmhg. Calculate the pressure of the gas in (in mmhg) if the volume is reduced at constant temperatures to 154ml.
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