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A 1.5991 g sample of a hydrocarbon is combusted to give 1.6918 g of H2O and 5.1661 g of CO2. What is the empirical formula of the compound?
Calculate the wavelength of light (nm) emitted in the n= 3 --> 2 spectral transition in the hydrogen atom
The iron-chromium voltaic cell utilizes the following reaction with a measured potential of 0.30V. What is the standard change in G
If a 180 mg piece of gold (density =19.32 g/cm^3 ) is hammered into a sheet measuring 2.3 x 1.0 ft , what is the average thickness of the sheet in meters?
what is the steric number of nitrogen trifluoride, carbon tetrabromide, phosphorus pentiodide, sulfur hexachloride, and bromine trifluoride.
How many milliliters of 0.100 M NaOH(aq) would be needed to completely neutralize 50.0 milliliters of 0.300 M HCl(aq)
A multiple series dilution was performed. The sample was diluted 1/5, 1/2, 1/4, 1/2. What is the final dilution
Which do you think would be larger and why? The first ionization energy, IE1, of Ne,The second ionization energy, IE2, of Na
What is the final pressure in the bottle for a monatomic gas, for which CV,m = 3/2R, and a diatomic gas, for which CV,m = 5/2R?
Hydrogen peroxide decomposes into water and oxygen in a first order process. At 20 degrees C, the half life for the reaction is 3.92 x 10^4 seconds
indicate whether aqueous solutions of each of the following solutes will contain only ions, only molecules, or mostly molecules and a few ions: a) NH4Cl, a strong electrolyte. b)ethanol, CH3-CH2-OH, a nonelectrolyte. c)HCN, hydrocyanic acid, a wea..
A 19.91 g sample of Mo2O3(s) is converted completely to another molybdenum oxide by adding oxygen.
The solubility of silver carbonate is 33.5 mg/L. What is it molar solubility and what is its Ksp?
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