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In carrying out the ?rst standardization in this experiment, a student used 0.5899 g of potassium hydrogen phthalate (KHP) and 24.81 mL of a NaOH solution are needed to reach the equivalence point. What is the concentration of the student's NaOH solution?
At high temperatures, a dynamic equilibrium exists b/w carbon-monoxide, carbon-dioxide, and solid carbon.
Why do you think a distillation tower can separate oil into different fractions, while we can't separate seawater into its various fractions in the same way?
The volume of seawater on Earth is about 3.3 x 10^8 mi^3. Because it contains salts, mostly sodium chloride, its density is about 1.03 g/mL, a little higher than that of pure water. The concentration of sodium chloride is about 3.5% by mass.c
If 57.0 of solution is needed to precipitate all the sulfate ion in a 756 sample of , what is the molarity of the solution?
Consider the unbalanced equation: C5H12(l) +O2(g) --> CO2(g) +H2O(l) if 25.2 grams of pentane (C5H12) are burned in excess oxygen, how many grams of H2O will be produced?
Suppose that 150.2 J of heat energy is required to completely vaporize 5 g of a pure liquid. If the molar mass of the liquid is 95.64 g/mol, what is the molar enthalpy of vaporization of the liquid
Determine the volume, in mL, of 2.00 M HC2H3O2 required to prepare 100 mL of a 0.30 M HC2H3O2 solution?
Use the following data to plot the inflection points for the heating curve of 1 mole of solid octane at its melting point, -56.8 degrees C. The first point should be at -56.8 and the last point should be at 150 degrees celcius.
1. When H2 gas was released by the reaction of HCl with Zn, the volume of H2 collected was 66.0 mL at 26 °C and 750 mmHg. A. What is the volume of the H2 at 0 °C and 1.00 atm pressure (STP)? 2. Express the temperature numerically in degrees Celsius.
A sample of N2 (g) effuses through a tiny hole in 19.0 s. How long would it take for a sample of N2O2 (g) to effuse under the same conditions
A critical reaction in the production of energy to do work or drive chemical in biological systems is the hydrolysis of adenosine triphosphate, ATP to adenosine diphosphate ADP as described by ATP
assume that due to dwindling supplies of crude oil and natural gas the us embarks on a plan to implement the hydrogen
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