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It took 22.02 0.05mL of a sodium hydroxide solution to titrate a 0.4315 g sample of KHP. Compute the concentration and uncertainty in the concentration of the sodium hydroxide solution. Abandon any uncertainty in the mass.
How many liters of CO2 are formed at STP by the complete combustion of the propane in a container with a volume of 14.0L and a pressure of 4.5atm at 24?C?
Kunzite is a mineral containing lithium (Li) and has the empirical formula LiAlSi2O6. Calculate the proportion by mass of lithium in Kunzite.
A system receives 729 J of heat and delivers 4,104 J of work to its surroundings. What is the change in internal energy of the system (in J)
A product has glycerol Molecular weight=92. The product contain 25% by weight glycerol and has a void fraction of ~70%, and a density of 1g/cm^3. Find its molar concentration
In a synthesis experiment you obtain a sample of product on which you do a melting point determination and find a melting point range of 108.0 to 114.3 degrees Celsius.
A 82.2 g sample of dinitrogen monoxide is confined in a 3.2 L vessel. What is the pressure (in atm) at 115°C?
Given 6.4 mL of sulfuric acid (98%) calculate the number of mmols. (MW H2SO4: 98.08 g/mol, density: 1.840 g/mL)
Given that the specific heat of solid copper 0.385 J/g degrees celcius, calculate the maximum temperature of the water in the insulated container after the copper metal is added
Calculate the pH at the equivalence point in titrating 0.120 M solutions of each of the following with 8.0×10?2 M NaOH. -benzoic acid (C6H5COOH)
water and titrated with 0.0633 M NaOH. After 10.0 mL of base has been added, the pH was determined to be 5.07. What is the Ka for the acid?
The temperature dependence of the vapor pressure is given by the equation: Ln p = Ln A - deltaH(vapor)/RT. Where p = pressure, T = temperature, A = pre-exponential constant, and delta h (vapor) is the enthalpy of vaporization. Solve for vapor pres..
if a sample of gas is at 2 atm and is at 15 degrees celsius, what would be the new pressure in the gas if the gas is heated to 100 degrees celcius?
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