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Question - The following name is wrong. Identify the functional group then draw the structure based on the incorrect name and fix the name: 2-methyl-1,3-diethyl-5-pentyne
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Problem- 3.00 g of a polymer is dissolved in an organic solvent. The volume of the solution is 150mL and an osmotic pressure of 76.0 torr is measured at 25oc. Calculate the molar mass of the polymer.
What mass of sodium phosphate would have to be added to 1.5 L of solution to completely eliminate the hard water ions? Assume complete reaction.
a half-life for the disappearance of dinitrogen pentoxide of 5130 s. Suppose 0.450 atm of N2O5 is introducted into an evacuated 2.00 L flask. What will be the total gas pressure inside the flask after 3.00 hours
How many grams of CH3OH must be added to water to prepare 150mL of a solution that is 2.0 M CH3OH?
Question- A 4.0 g sample of polystyrene was dissolved in enough toluene to form 100 mL of solution. The osmotic pressure of this solution was found to be 0.100 atm at 25 °C. Calculate the molar mass of the polystyrene sample
Doubling the distance between an individual and the source of radiation reduces the radiation exposure to one-fourth the original value.
which of the following ground state ions isare diamagnetic?i. fe 2 ii. zn 2 iii. cu 1 iv. ni2 v. v3a i iv only b i iii
The hydroxyl radical, OH, is important not only in atmospheric chemistry but also in cell biology, as it participates in biochemical reactions as a free radical.
CsF has a lattice energy -744kJ/mol . Consider a hypothetical salt XY. X^3+ has the same radius of Cs^+ and Y^3- has the same radius as F^- . Estimate the lattice energy of XY
Explain how many moles of Hydrogen ions are concerned in one equivalent of an acid-base reaction also is it possible to have a non-integral values of Valence or Oxidation state
Did all of the powder dissolve. if not how much powder remains undissolved. If so, how much more powder can be dissolved before a saturated solution is reached.
calculate how many liters of seawater are needed to produce 79.1 L of fresh water at 20 °C with an applied pressure of 50.0 bar.
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