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A sample of a compound with the formula MCl*H2O has a mass of 0.642g. When it is heated 0.0949 g of H2O from the waters of hydration are collected. What is the identity of M?
Calculate the standard reaction enthalpy for the reaction above (as written) using the following data: N2(g) + O2(g) -→ 2 NO(g)
in certain cases calcium hydroxide and sulfuric acid react to produce calcium bisulfate and water. when 0.0720 mol
a sample of 11.0 grams of cacl2 is dissolved in 125 grams of h2o with both substances at twenty five degree celsius.
What is the pH of a solution prepared by mixing 100 mL of 0.020 M Ca(OH)2 with 50 mL of 0.100 M NaOH? assume that the volumes are additive.
If the uncertainty in velocity of an electron is 4700.0 m/s, what is the minimum uncertainty in its position
A 11.0 gram sample of nitrogen gas has a volume of 972 milliliters at a pressure of 2.81 atm. The temperature of the N2 gas sample is.
Write out the mechanism for the oxime formed from 2-butanone and hydroxylamine under acid catalyzed conditions.
Estimate the vapor pressure at 45 degrees C using the Clausius-Clapeyron equation and the two given data points.
Assuming this particle is a single crystal, how many unit cells are lined up across the diameter of the particle? d. Calculate the mass of the particle. e. Approximately how many atoms does this particle contain?
n2f4sih4-gt2h2sif4n2if each reactant molecule in the above image represents 0.0157 mol and the reaction yields is 89
An empty Erlenmeyer flask weighs 252.3 g. When filled with water (d = 1.00 g/cm3), the flask and its contents weigh 503.3 g. What is the flask's volume
If what make an acid strong is the extent of dissociation, at what sorts of concentrations (high or low) do weak acids behave more like strong acids
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