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Determine the mole percent of each component when a mixture of 10 mL of benzene (MW=78.11 g/mol, d=0.88 g/mL) and 50mL of p-xylene (MW=106.17 g/mol, d=0.86 g/mL) is distilled.
Explain how many will you need for 1 days treatment? The physician has order 1.0 g of tetracycline to be given every 6hours to a patient. If your stock on hand is 500mg tablets.
Determine the entropy change of the gas, when it is heated to55°C at 25°C, Ar gas is sealed in a12.8 L rigid container at 1.00 atm.
Determine the number of grams SO2 would be produced by burning 7.43 kg of bituminous coal that is 5.15% sulfur by mass? Suppose that all of the sulfur is converted to SO2.
At 25 C a given substance is a white solid. It melts at 50 C without decomposing, and the mely conducts an electric current then explain the classification of the substance, based on this i
Determine how much energy must be supplied to 100 g of lead to increase its temperature by 10 degrees Celsius when the molar heat capacity of lead is 26.44 J/K mol.
When the Metal hydrides react with water to form the hydrogen gas as shown for Sr,Determine the mass of hydrogen gas that can be organized from 47.7 g SrH2 and excess water.
Explain the maximum radius of an atom that will just fit into the tetrahedral site in face-centered cubic Nickel? Discuss in details.
Determine the number of singles covalent bonds do you expect one silicon atom to form? Explain the geometric shape will the compound SiHx have?
The rate of the reaction is first order in each reactant. At the 28degrees C the rate constant for the disappearance of H2S which is having 3.5 x 10-2M-1s-1.
Determine the Standard free energy change ΔG when the equilibrium constant for the conversion of 3pg to 2pg is .165.in human blood cells, 3pg is at a concentration of 61uM and 2pg is at a con
Upon reaching The Flatts, 5 entrepreneurs thought that they had found red rock and highest hill in vicinity, but "tallest palm tree". Find plan to locate position of the lost palm tree.
The minute hand of the clock extends out to edge of clock's face, that is circle of radius 2 inches. What area minute had sweeps out between 9:05 and 9:25?
Determine least positive angle which is co-terminal with -680 degrees; in addition determine least positive angle that is co-terminal with 23 pi/ 2 in randians?
You place $23,000 into the interest bearing account, having the interest rate of %0.50 which is compounded monthly. After one and a half years, find how much money will be in account?
In 1990 population was 900; moreover in 1997 population grew to 1600. Using giving information find out the population 1998?
Determine concentration of hydrogen ions in lemon juice? Person squeezes 2 oz of lemon juice into cup. Based on answer to part (a), how many hydrogen ions this juice contains?
Cancerous cell lacks normal biological growth regulation and can divide continuously. Determine the formula C(t) for number of cancerous skin cells after t hours.
8 days after moving in, there were 4times as many termites as spiders. How long (in days) it takes population of spiders to triple?
Radioactive Decay (use formulas given in class): Half-life of cesium-137 is 30 years. Assume we have a 10 gram sample. Determine function which models mass remaining after t years.
Where are the two images of the object made by the spherical mirror which are closest to the spherical mirror?
Solve inequalities f(x) greater than equal to 0 where f(x)= (x+2)(x-4)^2 solve for solution set answer IN INTERVAL NOTATION.
A 1.80 km long cylindrical copper cable is joined across a 220.0v- potential difference. What must be the diameter so that it generates heat at a rate of 60.0w?
What effect do the given forces have on a point: 100N,30 degrees E of N; 200N, 80 degrees S of E; 150 N, 45 degrees S of W; 175 N, 25 degrees W of N; 50 N due of North.
A copper wire having diameter 1.45mm (No. 15AWG) is to be substitute with an aluminum wire having the same length and resistance. What diameter of the aluminum wire would be needed? (PAl = 2.8 X 10