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Water is to be pumped from a lake to a tank uphill that is open to the atmoshpere. The flow rate of water is 10 liters per minute and the flow channel is 10 cm^2 in area. A pump capable of delivering 8 hp = (Work) is availible. the friction loss F (KJ/s) equals 0.5 L, where L is the length of the pipe in meters. Calculate the maximum elevation z of the ranger station if the pipe rises at an angle of 30 degrees.
Decomp. of SO2Cl2 is first order and has a rate constant of 1.42x10^-4 S^-1. What is the half-life for the reaction. How long will it take to decomp 27.3% of its initial cocentration
X-ray radiation is associated with transitions in which inner core electrons are being ejected from the atom. Suppose a photon of wavelength 240 pm ejects an electron from the inner shell of an atom and it emerges with a speed of 13.0 Mm s-1.
Which of the following are true statements about myosin? Select all the true statements. A. In a muscle cell, myosin tails group together to form a thick filament. B.The tail of the myosin molecule acts as a molecular lever.
Which of the following is an example of an ionic crystalline solid? Choose one answer. a. calcite, CaCO3 b. fluorite, CaF2 c. iron pyrite, FeS2 d. silver chloride, AgCl e. all of these
A given reaction has an equilibrium constant at 920 K of 2.73 x 1011. What is DGo at this temperature in kJ
1. what are the average calories not calories per gram for each of your food items?2. use the nutritional information
Your chemiluminescence reaction will actually occur very slowly in air. What component of air will bring about this reaction and what is its approximate concentration in air? If you had a stoppered flask with basic luminol and then opened it to th..
draw the structure of the product of each of these organic reactionsi reaction of methanol and aqueous potassium
Use the appropriate standard reduction potentials in your book to calculate the value of K at 25C for the reaction NiO2(s)+2Cl-(aq)+4H+(aq) arrow Cl2(g)+Ni2+(aq)+H2O(l)
A 25.00 mL aliquot of iron solution was titrated to equivalence with 26.19 mL of 0.0215 M KMnO4. A procedure similar to the one in experiment 7 was followed. Calculate the moles of iron in the original volumetric flask.
Draw 5 compounds that are constitutional isomers with the molecular formula C8H17O2N that contains at least an ester or an amide.
calculate the amount of heat necessary to raise the temperature of 53.4 grams of ice at -50.0 degrees celsius to water
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