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How well does Tiger Brand's vision and mission statement help narrow down feasible alternative strategies available for the firm?
A 28.0-g sample of water at 290. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
An atom of 125Sn has a mass of 124.907785 amu. Calculate the mass defect (deficit) in amu/atom. Use the masses: mass of 1H atom = 1.007825 amu mass of a neutron = 1.008665 amu 1 amu = 931.5 MeV
Draw a symbolic diagram of a set of Carnot engines with the following characteristics:- Show that the temperature intervals between which these engines operate are all equal.
35.5 grams of an unknown substance is heated to 103.0 degrees celsius and then placed into a calorimeter containing
A cube of a silver-colored metal with a volume of 64 cm3 has a mass of 672 g. The density of pure silver is 10.5 g/cm3. Is the metal pure silver?
(a) Your supplier offers you some 10% muriatic acid containing 2% ferric chloride at a bog discount because other consumers reject it on the basis of its deep orange colour. If ferric salts are tolerable in your process, will this acid corrode you..
The sulfur content of the coal is 2.0 percent and the molar mass molecular weight of the flue gas is 30.5. If all the sulfur in the coal appears as SO2 in the flue gas, explain what is the concentration of SO2 in the flue gas in parts per million
What are the equilibrium concentrations of H2,I2, and HI. (B) to what extent does the reaction proceed? Explain. (C) what is the Kc for the production of one mole HI?
Clausthalite is a mineral composed of lead selenide (PbSe). The mineral adopts a NaCl-type structure. The density of PbSe at i25 °C.is 8.27 g/cm3 Calculate the length of an edge of the PbSe unit cell.
a solution is prepared by diluting 225 ml of 0.1885 m aluminum sulfate solution with water to a final volume of 1.450
Identifying Organic Compounds, A colorless liquid A (C3H6O) was soluble in water and ether, and had a boiling point of 94-96 degrees Celsius. It decolorized a Br2-CH2Cl2 solution and gave a positive ceric nitrate test
calculate q, w, and change in enthalpy for the helium in the balloon. (the molar heat capacity for helium gas is 28.8 J/ degrees C mol.)
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