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Question- Sketch the proton spectrum of acetone. Please label all signals in the proton NMR spectra, show signal splitting and indicate which protons these correspond to in the structure of acetone
Rework your solution from the beginning and check each step carefully.
An aqueous solution at 25 °C is 2.28 x 10^-7 M in CuNO3 and 5.03 x 10^-7 M in AgNO3. What is the lowest cyanide concentration at which a precipitate appears
Provide the name from the formula or the formula from the name for each of the subsequent hydrated ionic compounds.
The vapor pressure of pure water at 25 degrees Celsius is 28.3 mmHg. Estimate the mass in grams of KCl needed per liter of pure water to reduce the vapor pressure of water at 25 degrees Celsius by 5%.
In which of the following species is the octet rule violated by the central atom when the central atom has a formal charge of zero?
In an experiment the stoichiometry of potassium chlorate will be investigated to use the results to analyze a potassium chlorate-potassium chloride mixture. Potassium chlorate is a compound containing the elements potassium
Calculate the molar mass of a nonelectrolyte that lowers the freezing point of 25.00 g of water to 3.9°C when 4.27 g of the substance is dissolved in the water.
Does the amount of methanol increase, decrease, or remain the same when an equilibrium mixture of reactants and products is subjected to the following changes
Which conformation of bromo-cyclohexane undergoes reaction with potassium t-butoxide and use a Newman diagram to explain
A researcher studyng the nutritional value of a new candy places a 4.50 gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.68 C.
calculate the amount of benzaldehyde (106.12 g/mol), benzophenone (182.22 g/mol), and methyl benzoate (136.15 g/mol) needed (they each get a whole 3.2 g bromobenzene)
a 12.6 g sample of NH4NO3 is dropped into a constant-pressure calorimeter containing 175 g of water at 23.5 C. What temperature will the water reach, assuming that the calorimeter container does not gain or lose any heat?
A cook wants to heat 1.73 kg of water from 30.0C to 100.0C .If he uses the combustion of natural gas (which is exothermic) to heat the water, how much natural gas will he need to burn.
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