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A 45.3 g sample of Al at 95.5 oC is added to 182.7 g of water that is initially at 20.5 oC. The specific heat of Al and water are 0.90 J/(goC) and 4.184 J/(goC), respectively. Calculate the equilibrium temperature.
determine the molarity of a solution prepared by dissolving 45.0g of CH3OH in sufficient water to make 725mL.
A solution of potassium cyanide, KCN, instead of conc NH3 is added to copper(II) sulfate pentahydrate ([Cu(H2O4)]SO4.H20). Wrtie the formula of the expected complex ion.
Research and write about the history of Haber Process of producing ammonia. How did it address the Malthusian Threat? What was the Haber-Nernst Controversy (be sure to use Le Chatelier's Principle in the explanation)? How did Bosch ultimately come..
An unknown metal M reacts with sulfur to form a compound with the formula MS. If 4.37 g of M reacts with 2.51 g of S, what are the names of M and MS?
It's not until death that the percentage of carbon-14 will begin to diminish from decay. Because radioactive decay is a first-order process, the integrated rate law for a first-order reaction can be rewritten asfraction remaining
a photon of wavelength 40.0nm is used to eject an electron with the energy 22.3eV from a molecule.calculate the ionization energy of the molecule and tha associated wavelength of the elctron..
Using appropriate equations, explain why combustion of fuels containing sulfur leads to acid rain.
A balloon ?lled with helium gas has a volume of 434 mL at a pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km, where the pressure is 0.5 atm.
Draw all of the resonance structure of SCP-.write formal charges on All atoms. point out which one has most likely resonance
When sodium carbonate reacts with hydrochloric acid, the carbonic acid that is formed immediately breaks down into carbon dioxide and water. What weight of sodium carbonate would have been present originally
What is the molality of lauryl alcohol in a solution of 17.1g lauryl alcohol dissovled in 185g ethanol, C2H5OH?
Various types of medicines use in daily life? and classify them into analgesics, antipyretics, antibiotics, sedatives, antiseptics.
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