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Calculate a (alpha) for a solution of pH = 5.00 produced from sulfurous acid (H2SO3) K_a1 = 1.72x10^-2 and K_a2 = 6.43 x 10^-8
which of the following processes are at equilibrium? a)opposing rates of reaction are equal. b)the rate of the forward reaction is faster than the rate of the reverse reaction. c)concentrations of reactants and products do not change.
No desiccator is available. the sodium carbonate is cooled to room temperature, but the humidity in the room is high. how will this affect the reported molar concentration of the hydrochloric acid solution. Will it be too high, too low, or unaffec..
What is the theoretical yield of ethyl chloride in the reaction of 19.1g of ethylene with 51g of hydrogen chloride. (For ethylene: MW=28.0amu, for hydrogen chloride MW=36.5amu
Carbon Monoxide at a pressure of 720 mmhg reacts completely with O2 at a pressure of 360 mmhg in a sealed vessel to produce
The electron sea is localized between two metal atoms at a time. 4. The metal is held together by the attraction between the metal ion cores and the sea of valence electrons
What is the density of a block of marble that occupies 253 cm and has a mass of 752 g? Answer in units of g/cm
Write a structural and a line-angle formula of propene (C3H6). Write the IUPAC name. On the structure, specify a shape of each carbon
A sample of hydrogen gas is mixed with oxygen gas. The mixture has a total pressure of 820 torr and the oxygen gas has a partial pressure of 32 torr. What is the partial pressure of the hydrogen gas
What is the molar solubility of SrSO4 in pure water at 25ºC?
If you used 0.165mL of acetic anhydride, and 0.167g of p-aminophenol what was your theoretical yield of acetaminophen. b) If you recovered 0.187g of acetaminophen, what was your percent yield
how much heat is required to raise the temperature of 50.0 g of C6H6 at 6.00ºC to 93.0ºC
What mass in grams of carbon dioxide is produced if 85.0 mol of magnesium carbonate, MgCO3, are heated and allowed to decompose according to this equation? MgCO3(s)--> MgO(s) + CO2(g)
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