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A commercial carbonated soft drink is bottled at a temperature of 20 C so that the beverage contains CO2 gas at a pressure of 6.5 atm over the liquid.
? Create appropriate data that can be used in part (c). Explain what procedures are needed to obtain these data?
The hydrocarbon dissolves readily in CCl4. A solution prepared by missing the135 grams of CCl4 and 4.36grams of the hydrocarbon has the boiling point of 78.7 C.
At 20.0 deg Celsius a flask filled with ethanol has a total mass of 48.676 g. The flask is emptied and some ball bearings with a mass of 19.234 g are added to the flask.
Determine the concentration of water, in mol/L, in a watery diluted solution, at room temperature. (Assume that their concentration in the solution equals to their concentration in pure water)
Explain which of the following solvents (methanol, water, or mineral oil) would be good for dissolving grease? Explain, does the solubility of air in water increase or decrease as the temperature of s
EDTA is a chemical used to treat some forms of lead poisoning. It can be theoretically donate four protons to an aqueous solution. Exactly halfway between the second and the third equivalence point,
Decomposition reaction using the 25.0 mL of 0.200 M hydrogen peroxide solution and obtain the following results: 8.62mL of gas is collected in the 120 seconds.
If the percent composition is 74.0% carbon 8.7%H and 17.3%N estimate the molecular formula of nicotine? Nicotine is found in tobacco and has a molar mass of160g/mol.
Determine the work done during the isothermal reverse expansion of a gas that satisfies the vertical equation of state. Estimate (a) work for 1.0 mol Ar at the 273K(b) the same amount of a perfect g
Determine the difference between a hydrogen ion and hydronium ion. Provide the molecular level description of the mechanism of the formation of the hydronium ion
Discuss why inducing a compound to crystallize after it has "oiled out" of solution, without first reheating and redis solving the compound, is likely to result in impure crystals.
Discuss how would you use infrared spectroscopy to distinguish between the two compounds when the Cyclohexene and 2-hexyne both have the molecular formula C6H10.
A zinc marble has a diameter of 20.0 mm. Use 2.74multiplied by 10 to the power of negative 8 as the atomic diameter, assume close pack arrangement and use the accepted value of Avogadro's t
How do we calculate the molality of H202, mole fraction of H202 and the molarity of H202 if an aqueous solution H202 is 30% by mass and has a density of 1.11g/ml
Find out the difference between 2Na and Na2, when writing a complete ionic equation, can i use these interchangeably?
In freezing point experiment, is it advisable to calculate the freezing point of pure paraffin with one thermometer and the freezing point of the solution with a different one? Discuss.
A quick approximate freezing point determination indicates that 4g of salt dissolved in the 100g of water produces a solution which freezes at about -28 degree Celsius. A salt is known to be alkali
Determine the actual pressure of the gas when collected over water: Barometric reading: 742 mm, Temperature: 24°C, Level of water inside measuring the tube: 20.4mm lower than outside.
The first order rate constant for the decomposition of dimethyl ether (CH3)2O--->CH4 + H2 + CO (reactant and products all in gas phase) is 3.2X10^-4/s at 450C. The reaction is carried out in a co
Explain which the oxidizing agent is and find out the reducing agent? Discuss which is the species being oxidized? Determine the oxidation number for the species being reduced?
A key elementary process in the destruction so stratospheric ozone from nitrogen oxides in jet exhaust is the reaction
A student carried out a dehydration experiment by using the MgSO4 nH2O. The student placed an evaporating dish which is having 3.8457 g of MgSO4nH2O in an oven at the 110 deg C.
A photon-powered spacecraft of mass 10.0 kg emits radiation of the wavelength 225 nm with a power of a 1.50 kW entirely in the backward direction. To what speed will it have accelerated after 10.0
Determine the de Broglie wavelength of:a mass of 1.0 g traveling at 1.0 cm/s a He atom traveling at 1000 m/s (typical speed at room temperature)