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The boiling point of chlorform CHCL3 is 61.70 degrees C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in chloroform is aspirin. How many grams of aspirin C9H8O4 (180.1 g/mol) must be dissolved in 281.0 grams of chloroform to raise the boiling point by 0.400 degress C?
What is the molar mass of 35 g of an unknown substance that depresses the freezing point of .350 kg of water .50°C? Kf for water is 1.86C/m.
The decomposition of N2O to N2 and O2 is a first order reaction. At 730 degrees Celcius the half-life of the reaction is 3.58x10^3 min. If the initioal pressure of N2O is 2.10 atm at 730 degrees Celcius, calculate the total gas pressure after on h..
Determine the new pressure of the gas and express your answer in Pa
Find the mass of the substance and the volume of a gas in a reaction - determine the mass of solid ammonium nitrate that must be used to obtain 0.145 L of dinitrogen oxide gas at STP.
Write balanced chemical equation and evaluate the molecular weight of the reactants and Calculate the molecular weights of the reactant.
Given the reaction 4Al(s) + 3O2(g) --> 2Al2O3(s), what is the minimum number of moles of oxygen gas required to produce 1.00 mole of aluminum oxide?
The calculations are based on the principal components of meat being fat ( acetone soluble) and protein (acetone insoluble or fat-free meat in report sheet ). ... information, the calculations correctly calculate what quantity, % fat or % fat-free..
Imagine that you have a 5.50 gas tank and a 4.00 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
how would you synthesize 2-ethyl-1,3-hexanediol in the lab setting? starting from simple organic compounds such as benzene
Which formula represents a salt?
Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
What is the limiting reagent in the reduction of C10H16O with NaBH4 assuming you initiate it with.1 g of sodium borohydride and .1 g of camphor?
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