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If the molar of a binary compound has a molar mas between 145 and 160 amu and contains 52.98% oxygen and the balance chhlorine what is the molecular formula?
How many moles of Ba(OH)_2 are present in 255 mL of 0.800 it M Ba(OH)_2?
Explain the MOLECULAR difference between an electrolyte solution and a non-electrolyte solution
iron has a density of 7.874. gcm3. what is the mass of a rectangular block of iron with dimensions of 3.000 cm by 4.000
Soggy french fries drenched in Vinegar, which is a 0.83M solution of acetic acid. If the acetic acid in vinegar is 0.47% dissociated, calculate Ka for acid. What is the pH of this solution
Identify (invent??) a salt which has a weak acid as it's cation and a weak base as its anion so that the salt would yield an acidic solution in water.
What is ?H in kJ for the combustion of 2.86 L of benzene producing CO2(g) and H2O? Assume that the heat of combustion of benzene is -4.18 x 103 kJ/mol. Enter your answer with three significant figures in exponential format (1.23 x 104 = 1.23E4).
Compute the moment of inertia of the molecule in kg m 2 . And also determine the greatest wavelength of the radiation that can excite the molecule into rotation.
Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is a preservative found in foods, medications, and personal hygiene products. Benzoic acid dissociates in water: C6H5COOH + H2O ==== H+ and C6H5COO- T..
Gaseous HBr has an absorption band centered at about 2645 cm-1 consisting of a series of lines approximately equally spaced with an interval of 16.9cm-1.
You have a box of volume 1.00 liter into which you inject 2.65 g of NH3 at 600 K. What will be the final concentrations of NH3, N2, and H2 after equilibrium is established
The heat of combustion of cyclobutane is 650.3 kcal/mol. How much energy is released during the complete combustion of 450 grams of cyclobutane.
How many grams and pounds of washing soda are needed to remove the hardness from 500 gallons of water that has a hardness of 150 ppm CaCO3?
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