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A student observed after an experiment that a gas sample of 250-mL has a mass of 0.243 g at a temperature of 28 degree Celsius and a pressure of 760 mm Hg. determine the molar mass of the gas if R=0.0821 L atm / mol K?
Using a gas sample that initially has volume of 24.6 L at a pressure of 1.04 atm then determine what would the pressure be if the volume of this sample gas is decreased to 5.38 Litre also state that which law of gas is used in this process?
Application of Boyle's Law - Determine the molecular formula of the compound
Phosphorous acid, is an important compound in industry and agriculture, H3PO3(aq), is a diprotic oxyacid .determine the pH for each of the following points in the titration of 50.0 mL of a 1.5 M H3PO3(aq) with 1.5 M KOH(aq).
Find out how many total moles of gas are produced If a sample has 2.10 mL of nitroglycerine (density = 1.592 g/mL) is detonated?
The density of palladium(Pd) is 12.0 g/mL at 20 degree Celsius temperature and the density is 11.0 g/mL 1550 degree Celsius temperature . What is the change in volume (V) if tempreture raises of 4.21 kg Pd from 20°C to 1550°C.
This assignment inhibits chemistry Laboratory Questions.
Compute the structural analysis of the Protein and What order will the following proteins elute from a caution exchange column loaded at pH 6?
Calculate the molecular weight of the compound? Given that Kf=1.86 and the compound in not ionic.
Explain the three main types of intermolecular forces including dispersion forces, intermolecular forces, dipole-dipole force explain what they are also provide an example of each intermolecular force where it occurs.
While 1.22 g of a white solid, supposed of being pure cocaine, a molecular compound, is dissolved in 15.60 g of C6H6 the freezing point is lowered by 1.32 ¬0C. Compute the molar mass of the solid. Kf value for benzene = 5.12C/m.
using a sample of river water sample analyzed for total inorganic carbon ,The river pH= 7.1 and an inorganic C concentration of 6.97 mg C/L.c
Multiple choice questions in organic chemistry - Which of the following statements are true about the processes of melting and freezing?
Using a solution prepared by adding 467 mL of 0.400 M silver nitrate with 421 mL of 0.503 M sodium phosphate then determines what is the silver ion concentration in? Ksp of silver phosphate = 2.8 × 10-18
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