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In the formula Ca + 2 H2O ----> Ca (OH)2 +H2
What is the complete ionic equation and the net ionic equations for the reaction of Ca(No3)2 and Na2SO4? which are the spectator ions
A voltaic cell is constructed by immersing a strip of silver metal in a 1.0M AgNO3 solution and a strip of Cadmium metal in a 1.0M Cd(NO)3 solution. the circuit is completed by a wire and a salt bridge in the usual way.
Calculate the pH of a buffer that contains 0.270 M hydrofluoric acid (HF) and 0.180 M cesium fluoride (CsF). The Ka of hydrofluoric acid is 6.80 x 10^-4.
What is the minimum amount of 6.2M H2SO4 necessary to produce 25.7g of H2 (g) according to the following reaction?
Problem- In an X-ray photoelectron experiment, a photon of wavelength 150 pm ejects an electron from the inner shell of an atom, and it emerges with a speed of 2.14 × 107 ms?1.
The density of toluene (C6H5CH3) at 25 °C = 0.862 g/mL, and its vapor pressure at 25 °C = 28.44 torr. At 25 °C, the vapor pressure of toluene above a solution of naphthalene (C10H8) in 500.0 mL toluene is found to be 27.92 torr. How many grams of ..
Compute the pH concentrations of all species present (H2CO3, HCO3-, CO32-, H30+, AND OH-) in a 0.020 M carbonic acid solution.
what is the difference between the ideal pressure (as predicted by the ideal gas law) and the real pressure (as predicted by the van der Waals equation)?
Use the Born-Haber cycle to determine the lattice energy (in kJ/mol) of LiCl, given the following thermochemical data
my microwave operates at 2450 mhz. what is the wavelength of this radiation in meters and what is the energy associated
If the imaging agent had an initial rate of 7500 decays per minute (dpm) and if the imagine required 1 hour to complete, what would the decay rate be immediately after the test is completed?
What volume of 6.00 molar hydrochloric acid is needed to prepare 500.0ml of 0.100 M solution
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