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Find the percent by mass of oxygen in heptanoic acid, C6H13CO2H.
a cylinder measuring 5.7 cm wide and 6.8 cm high is filled with gas. The piston is pushed down with a steady force measured to be 11 N.
A gas mixture is made by combining 7.9 g each of Ar and Ne and an unknown diatomic gas. At STP the mixture occupies a volume of 18.73 L.
How many grams of dry NH4Cl need to be added to 1.80 L of a 0.800 solution of ammonia, NH3, to prepare a buffer solution that has a Kb of 8.87? for ammonia is 1.8E-5.
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the equation
determine the pressure inside a container of a gas connected to an open-end manometer filled with ccl4 has the density
Problem- In a typical liquid scintillator six photons are produced for every thousand electron volts deposited. If such a scintillator is coupled to a 10-stage photomultiplier tube with an output circuit that has a capacitance of 100 pF,
If 20.0 mL of 0.12 M cobalt(II) nitrate is reacted with 15.13 mL of 0.097 M sodium phosphate, which of the two reactants will be left over and which will be completely consumed?
a sample of gas is collected over water at a temperature of 35.0?c when the barometric pressure reading is 625 torr.
Crude oil is a complex solution of liquids, and some gases and solids. The components are commonly separated from each other by utilizing a technique called fractional distillation
Suppose that ammonia (a monoprotic base), applied to a field as a fertilizer, is washed into a farm pond containing 3.0 × 106 L of water. If the pH of this pond is found to be 9.81.
Explain what would be the molarity of a saturated aqueous solution of NaI prepared at 25 degrees C, pretentious that the added NaI does not add significantly to the volume of water
the voltage developed by a cell consisting of Tl metal dipping in an aqueous solution that is 0.54 M in Tl+, connected by a porous bridge to a 0.64 M aqueous solution of HCl in contact with a Pt electrode over which H2 gas is bubbling at p = 0.72 ..
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