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What percentage of tablets contain contain more than the standard amount of 250 mg acetaminophen per tablet? The mean value is 244.53mg and the standard deviation value is 11.88
What metal ions are involved in electron transport, and what is special about them that enable electrons to be shuttled among the various proteins
reacts with excess Mg to produce 4.20L of H2 gas at 745 mmHg pressure and 35 degrees celcius. What is the molarity of the HCl solution?
How many moles of Fe would be formed from 50 grams of Fe3O4 in the following equation
how much heat is transferred when 400 grams of mercury (Hg) is vaporized? specific heat (c) = 0.14J/g C, heat of fusion = 2.29 kJ/mol, heat of vaporization = 59.1 kJ/mol.
Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 mol of hydrogen reacted with oxygen, what volume of liquid water could be produced?
Determine the second order rate constant from the initial concentration and half life and what is the second order rate constant?
Calculate the heat lost by the hot water, Calculate the heat gained by the cold water, Calculate the calorimeter constant, using the delta T of the cold water.
Define nucelophilicity. Give a detailed explanation as to why hydroxide
How much of a 15.0M HNO3 solution should you use to make 850.0mL of a 0.300M HNO3 solution
A weather balloon at Earth's surface has a volume of 3.9 L at 275 K and 775 mm Hg. if the balloon is released volume reaches 4.2 L at 711 mm Hg what is the temperature.
A mixture of Helium, Neon, and Nitrogen gases has a pressure of 1.348 atm. Determine what is the partial pressure of N2 in the mixture If the pressures of Helium and Neon are 0.124 atm and 0.996 atm, respectively.
calculate the enthalpy change for the complete combustion of but-1-ene, according to the following equation.
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