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Hank and Harry are two ice skaters whiling away time by playing 'tug of war' between practice sessions. They hold on to opposite ends of the same rope and pull the other toward him. The magnitude of Hank's acceleration is 1.28 times greater than the magnitude of Harry's acceleration. What is the ratio of Hank's mass to Harry's mass?
a tank with a total pressure of 4.7 atm has a mixture of gases that is 72 nitrogen and the rest is oxygen. what is the
Question- If 100.0 g of Pf3 reacts with 50 g of F2 according to the balanced question what mass in g of pf5 will be producedpf3+f2~>pf5
Consider a steel containing 0.6% carbon and 10% chromium. Estimate the eutectoid temperature and concentration. What is the proeutectoid phase
Eight open-chain isomeric alcohols have the formula C5H11OH. Draw the structural formula and write the IUPAC name for each of these alcohols.
A fuel gas containing 86 % methane, 8 % ethane, and 6 % propane by volume flows to a furnace at a rate of 1450 m3 /h at 15 degrees C and 150 kPa (gauge), where it is burned with 8 % excess air. Calculate the required flow rate of air in SCMH
A sample of 54.7 g of HCl gas is dissolved to make 1L of solution. What is the molarity of the solution?
A gas pressure of 2.0 atm is in a closed container. Indicate the changes in its volume when the pressure undergoes the following changes at constant temperature: a) the pressure increases to 6.0 atm. b) the pressure drops to 1.0 atm. c) the pressu..
cinnamic alcohol is used mainly in perfumery particularly in soaps and cosmetics. its molecular formula is
What is the final pressure in atm of a 3.05 L system initially at 724 mm Hg and 298 K, that is compressed to a final volume of 2.51 L at 273 K?
silver (I) perchlorate into a 50.ml volumetric flask and filling the flask to the mark with water. calculate the concentration in mol/L of the silver (I) perchlorate soluation
How many grams of potassium lactate (KC3H5O3) must be added to 114.0 ml of 0.5 M lactic acid in order to prepare a buffer solution at pH 3.1? The pKa of lactic acid is 3.8.
based on their activation energies and energy changes and assuming that all collision factors are the same which of
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