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A bottle containing 305 g of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
In an experiment, 1.0 mol N2O4 is placed in a 10.0L vessel. Calculate the concentrations of N2O4 and NO2 when this reaction reaches equilibrium.
A voltaic cell consists of Mn/Mn2+ and Cd/Cd2+ half-cells with the following initial concentrations: [Mn2+] = 0.090 M; [Cd2+] = 0.060 M.
A backpacker wants to carry enough fuel to heat 2.2 kg of water from 30 C degree to 100.0 C degree. If the fuel he carries produces 36 kJ of heat per gram when it burns, how much fuel should he carr
A balloon is filled to a volume of 7.00 x 102 mL at a temperature of 20.0 oC. The balloon is then cooled at constant pressure to a temperature of 1.00 x 102 K. What is the final volume of the ballo
NaoH is approximately 0.1 M. Each titration will use 25.00 ml of KHP (potassium biphthalate). Suppose we want the endpoint of titration to occur at about 20ml of NaOH added. What should be the conce
Water with a mass of 0.500 rm kg at 15.0^circ rm C is mixed with 0.800 rm kg of water at 35.0^circ rm C. What is the final temperature T_f of the mixture?
A solution is prepared by dissolving 17.75 g sulfuric acid, H2SO4, in enough water to make exactly 100.0 mL of solution. If the density of the solution is 1.1094 g/mL, what is the weight % H2SO4 in
What is the molarity of a solution of silver perchlorate, AgClO4, if 3.2 moles of silver perchlorate is dissolved in 1.5 liters of water? Is it 2.133 M, 4.756 M, 4.8 M, or 4.810 M ?
What type of electronic probe could be used to determine the pressure inside the balloon
Combustion of 1.031g of a compound containing only carbon, hydrogen and oxygen produced 2.265g if carbondioxide and 1.236g of water. What is the empirical formula for the compound? if the molecuar w
A mixture of 7.50 g He and 29.5 g Ne has a pressure of 750. mm Hg. What is the partial pressure of each of the gases?
What is the pressure in a 22.7L cylinder filled with 10.8 g of oxygen gas at a temperature of 343 K?
Calculate the pH of the resulting solution at the following points of the titration curve: 83.00 mL of the titrant, NaOH, have been added.
A student found that a maximum of 0.800g silver acetate is able to dissolve in 100.0ml of water. What is the molar solubility and Ksp for the salt?
Find the expected freezing point of a water solution that contains 268 g of aluminum nitrate, Al(NO3)3, in 8.50 kg of water.
A graduated cylinder contains 133 of water. A 10.0 piece of iron (density = 7.86 ) and a 16.0 piece of lead are added. What is the new water level in the cylinder?
A 2.50-g sample of a large biomolecule was dissolved in 17.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule
Triangle symbol H degree = 2816kJ 6CO2(g) + 6H2O (l) C6H12O6(s) + 6O2 (g) How is the equilibrium yield of C6H12O6 affected by increasing P CO2 (explain).
Consider the following combustion reaction: 2C4h10 + 13O2 -> 8O2 + 10H20. 125 g of C4H2O react with 415g O2. Which substance is the limiting reactants?
Assuming that the total pressure of the gases is 1.52 atm and that their mole ratio is 94 : 4.0 : 1.5 : 0.50, calculate the partial pressure (in atmospheres) of each gas.
A first order reaction has a half-life of 1.34 x 10^-3 hours. If the initial concentration of the reactant is 8.00M, what is its concentration after 4 half-lives?
Calculate the molar solubility of Agl in 0.20M Cal2 solution. Compare the answer to the calculated molar solubility of Agl in pure water.
A cube of osmium metal 1.500 cm on a side has a mass of 76.31 g at 25C. What is the density in g/cm^3 at this temperature? A metal rod has a mass of 17.62 g. A graduated cylinder contains 28.9 mL
In addition to the main product what are two side reactions that could occur in the experiment of The Diels-Alder Reaction of Cyclopentadiene with Maleic Anhydride.