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A researcher conducting a large-scale experiment dissolved 750.0 g of calcium chloride in a tank. The resulting solution was found to have [Cl-] = 0.026 M. If the tank was 0.75 m wide and 1.20 m long, how deep was the tank?
Using the following equation: 2AgNO3+MgBr2->2AgBr+Mg(NO3)2 calculate the moles of silver bromide and magnesium nitrate produced by 85 mol of magnesium bromide reacting with silver nitrate.
What are the pH, pOH, hydroxide ion concentration, and hydronium ion concentration of a 0.014-M diprotic acid solution?
Sodium cyclamate, NaC6H12NSO3, was a popular nonsugar sweetener until it was banned by the Food and Drug Administration. Its sweetness is about 30 times that of sugar (or sucrose, C12H22O11).
The density of a liquid sulfur compound is 1.14 gmL1. This compound contains 23.7% sulfur. How many milliliters of the compound must be burned to obtain 6.40 g of SO2? Molar Mass SO2 64.1 gmol
draw an electron-dot structure for hydrogen peroxide. write balanced chemical equations for reactions of hydrogen
Determine how many grams of oxygen gas would be needed to combine exactly with 13.2 kg of propane (C3H8) gas (the 3 and the 8 are subscripts).
Ethanol melts at -114 C and boils at 78 C. The enthalpy of fusion of ethanol is 5.02 kJ/mol, and its enthalpy of vaporization is 38.56 kJ/mol. The specific heats of solid and liquid ethanol are 0.97 J/g.K and 2.3 J/g.K, respectively.
What is the volume of the bubble (in cubic centimeters) just before it reaches the surface? (The density of water is 1000 kg/m^3 and air pressure is 1E+05 N/m^2.)
A 40.0 mL sample of 0.150 M Ba(OH)2 is titrated with 0.400 M HNO3. Calculate the pH after the addition of the following volumes of acid, and plot the pH versus milliliters of HNO3added.
Estimate the vapor pressure at temperatures of 273, 298, 363, 383, and 423 K respectively
Develop a stoichiometry problem that includes finding a mass of reactant/product from another mass of reactant/product.
A mixture of .148 moles of C is reacted with .117 moles of O2 in a sealed 10L container at 500K producing CO and CO2. The total pressure is .640 atm. What is the partial pressure of CO?
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