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9.7 g of butane combine with 34.7 g of oxygen to form 29.3 g carbon dioxide and how many grams of mater
Calculate the % yield of Al2(SO4) from the reaction: 2Al(OH)3(s) + 3H2SO4(aq) -> Al2(SO4)3(s) + 6H2O(l) given that 205 g of Al(OH)3 react with 751 g of H2SO4 to yield 252 g Al2(SO4)3.
Set up the full multiplication table for the group operations for the ammonia molecule. Explain what is its point group? Illustrate the derivation of the symmetry classes for this point group.
what is the pH of the hydroflouric acid solution prior to adding sodium fluoride? (b) how many grams of sodium fluoride should be added to prepare the buffer solution? Neglect the small volume change that occurs when the sodium fluoride is added.
A certain liquid has a vapor pressure of 92.0 Torr at 23.0 °C and 398.0 Torr at 45.0 °C. Calculate the value of ?H°vap for this liquid. Calculate the normal boiling point of this liquid.
The flask was then shaken until the solution was uniform. A 25.0-sample of this glucose solution was diluted to 0.500 . How many grams of glucose are in 100. of the final solution?
What volume (in mL) of 0.220 M NaOH should be added to a 0.135 L solution of 0.028 M glycine hydrocholoride
[BrO- ]initial is 0.86 M. 65 seconds later [BrO- ] is 0.19 M. What is the rate of change of [BrO- ] in M/s? (The brackets, [ ], indicate concentration, that is, molarity (M) or moles/liter.)
Hydrogen ion concentration in mixtures, Calculate the hydrogen ion concentration of the following mixtures. a. 25mL of 0.10M HClO4 and 25mL of 0.15M HClO2
Which formula is a correct representation of pentane? What is the organic product of the reaction between ethanol and ethanoic acid? Explain why the incomplete combustion of hydrocarbons is harmful to humans.
In an experiment synthesized 4-methylcyclohexene + H20 from 4-methylcyclohexanol and an acid catalyst. Utilize anhydrous sodium sulfate to dry my product. Explain how do know when product has been sufficiently dried
how much heat is released at constant pressure when 50.0 g of nis reacts with excess o2 according to the reaction
A C^+5 ion in the n= 5 state moves to the n=7 state.Calculate the energy (E) change associated with this transition. Also, calculate the frequency, and wavelength of light which have this same energy and indicate whether light is emitted or absorb..
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