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A carbohydrate is a compound composed solely of carbon, hydrogen and oxygen. When 7.7467 g of an unknown carbohydrate( = 180.1560 g/mol) was subjected to combustion analysis with excess oxygen, it produced 11.3546 g CO2 and 4.6481 g H2O. What is its molecular formula?
Which combination of atoms is most likely to produce a compond with covalent bonds?a) K and Brb) Al and Sc) S
Draw the skeletal structure for trans-1-ethyl-4-iodocyclohexane. Make sure the tapered end, i.e. the thin end, of the wedge bond is attached to the parent.
Write an equation for the formation of NH3g from its elements in its standard states.
69.0 mL of a 1.30 M solution is diluted to a volume of 278 mL. A 139-mL portion of that solution is diluted using 151 mL of water. What is the final concentration
Assuming that the rate of a chemical reaction doubles for every 10 celcius temperature increase, by which factor would a chemical reaction increase if the temperature were increased from
What is the vapor pressure of a solution which contains 0.550 moles of acetonitrile and 0.350 moles of acetone? Assume the mixture behaves as an ideal solution.
what would happen if the bottle was labeled salicylic acid from benzene actually contained acetylsalicylic acid
Compute the enthalpy change for this reaction per mole of this substance and dissolves via the reaction and the temperature of the solution rises to twenty eight degree celsius.
2.50g of KClO3 decomposes by the equation: 2KClO3=2KCl+3O2. What volume of O2 is produced at 25 degree C and a pressure of 750 mmHg
Find the real and imaginary parts of the Fourier transform of a casual function exp(-πx2/ σ2) x>0. Why do we get both real and imaginary parts for this transform
calculate the freezing point and boiling point of a solution of 383 g of glucose dissolved in 400.0g of H2O
Of the choices below, which would be the best for the lining of a tank intended for use in storage of hydrochloric acid.
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