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A patient took some tablets containing magnesium oxide to relieve his gastric pain, which was caused by excess hydrochloric acid. Each tablet contains 3.0g of magnesium oxide. How many tablets should he take to relieve the pain?
Discuss the possible elimination products for reactions of 1butanol, 2 butanol and 1-bromobutane, and 2-bromobutane, and discuss the physical state of those products and how they were collected
What is the formal charge on each of the atoms. Enter the formal charges in the same order as the atoms are listed. Express your answers as charges separated by comma. For example, a positive one charge would be written as +1.
2 mol of an idea gas 1.4 expands slowly and adiabatically from a pressure of 4 atm and a volume of 10 l to a final
what is the delta S in J/K*mole when 1.645 grams of methane (FW=16.04) at 0.1091 atm pressure is compressed by a factor of 8.064 at a constant temperature of 22.81
this gas is compressed to a volume of 286 mL and the pressure increases to 901 torr, what will be the new temperature of the gas (reported to three significant figures in °C)
A sample of sodium reacts completely with 0.426 kg of chlorine, forming 702 g of sodium chloride. What mass of sodium reacted?
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
Give two examples for each category of the following Redox reactions. Show molecular equations if the reaction does not occur in aqueous solution, and net ionic equations if the reaction occur in aqueous solution.
in a test tube containing a precipitate ofpboh2 in water will the ions from the salt havea reasonable concentration?
Which of the following is an experimental fact that valence bond theory cannot explain, but molecular orbital theory can? the paramagnetism observed for O2 the N-N bond order in N2 the rotational barrier about the C-C bond in ethylene the existenc..
Define to me in Sn1 and Sn2 reactions what is R group and what is an RX substrates? As well give an example and labeling what the R group is and RX substrate.
A diode laser emits at a wavelength of 987 nm. All of its output energy is absorbed in a detector that measures a total energy of 0.54 J over a period of 36 sec. How many photons per second are being emitted by the laser
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