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Partial Pressure, Dalton's Law
If the total pressure in a sealed and rigid container is 18 atm and there are 3 L of O2, 2 L of N2, and 1 L of CH4 in the container, what are the partial pressures of each gas?
vinegar is a solution ofacetic acid ch3cooh dissolved in water. a 5.54-gsample of vinegar was neutralized by 30.10 ml
A solution is prepared by adding 20g of magnesium hydroxide solid to 2L of water that contains 10-5 MoI/L of Ca(OH)2. Determine the concentration of magnesium in the solution. Is there any solid magnesium hydroxide? How many grams
Consider an electron moving from left to right (toward positive x) in a constant potential of V = 2.0 eV with total energy, E = 5.0 eV. Let the electron be described as a free particle such that the constant potential DOES NOT depend on the spatia..
Explain what type of radiation, such as ultraviolet, visible, or infrared would be needed to cause ionization of the hydrogen atom. Briefly explain
Calculate the energy of a photon of electromagnetic radiation whose frequency is 6.75 X 1012s-1. Calculate the energy of a photon of radiation whose wavelength is 322 nm.
Identify the following compound from its IR and proton NMR spectra. C6H10O: NMR: ? 3.31 (3H, s); ? 2.41 (1H, s); ? 1.43 (6H, s) IR: 2110, 3300 cm-1 (sharp)
Outline a synthesis of m-nitro benzoic acid starting from ethyl chloride and utilizing any needed organic/inorganic reagents. Presuming that a mixture of isomers can be separated
the product of this reaction ozone is a pollutant in the lower atmosphere. ozone is an eye and lung irritant and also
ultraviolet light strikes a metal plate and ejects electrons having kinetic energy E = 2.04 eV. Calculate the binding energy of an electron at the metal surface.
A voltaic cell is constructed from an Ni2+(aq)--Ni(s) half-cell and an Ag+(aq)--Ag(s) half-cell. The initial concentration of Ni2+(aq) in the Ni2+--Ni half-cell is [Ni2+]= 1.20X10^-2M . The initial cell voltage is +1.12V.
Does doubling the volumes of acid and base in a neutralization reaction double the amount of heat released? And also does doubling the concentrations (but not the volumes) of acid and base in a neutralization reaction double the amount of heat rel..
The absorbance at 595 was 0.75 and according to a BSA standard curve corresponding to 0.025 mg protein on the x-axis. What is the protein concentration (mg/ml) of the original protein?
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