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Approximate the percent increse in waste size that occurs when a 155lb person gains 40.0 lbs of fat. Assume that the volume of the person can be modeled by a cylinder that is 4.0 feet tall. the average density of a human is about 1.0 g/cm^3 and the density of fat is 0.918 g/cm^3.
A liquid unknown was found to be insoluble in water and soluble in cyclohexane and alcohol; the unknown was found to have a boiling point of 58 degrees C at 670mm Hg
A horizontal piston contains 34kg of water that is saturated at 36oC. Heat is transferred to the water until 80% of the water vaporizes.
A drop of oil volume 0.05 cm3 is released from a medicine dropper on to a calm surface of a pond where it spreads out to cover an area of 40 cm2. Calculate the diameter of an oil molecule.
Calculate the mole fraction of the salt in the solution
The standard free energy of activation of one reaction A is 91.70 kJ mol (21.92 kcal mol). The standard free energy of activation of another reaction B is 74.50 kJ mol (17.81 kcal mol).
Nitrogen forms more oxides than any other element. The percents by mass of N in three different nitrogen oxides are (I) 46.69% (II) 36.85% (III) 25.94%. For each compound, determine
Limeway Company issues $5,000,000, 6%, 5-year bonds dated January 1, 2007 on January 1, 2007. The bonds pay interest semiannually on June 30 and December 31. The bonds are issued to yield 5%. What are the proceeds from the bond issue?
What is the difference between the fresh meat with added sodium nitrite and the meat with added sodium nitrite plus sodium erythorbate?
Determine the standard reaction enthalpy for the partial combustion of methane to carbon monoxide.
The water is analyzed and found to be 735 ppm in phosphate ion. What is the % phosphate ion in the dry detergent? What is the % phosphorus in the dry detergent? How many grams of phosphate are in the 300. g sample?
Elemental exonium (not a real element) consists of two major isotopes Abundance Mass 55% 98 amu, 45% 114 amu What is the atomic weight for exonium? Answer in units of amu
An isotonic solution is described as 0.92% NaCl (g/mL). Would this also be the required concentration for isotonic solutions of other salts, such as KCl, MgCl2,
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