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Problem- The main cables supporting New York's George Washington Bridge have a mass per unit length of 4100 kg/m and are under tension of 250 MN. At what speed would a transverse wave propagate on these cables?
If possible just a brief explanation how you got the answer?
A chemist wants to make 6.5L of a 0.310M CaCl2 solution.What mass of CaCl2 (in g) should the chemist use?
why is my hydrogen peroxied based iodine clock zero order with respect to sulphric acid the acid is 0.05moldm-3 and i
An unknown amount of water is mixed with 370mL of a 6M solution of NaOH solution. A 75mL sample of the resulting solution is titrated to neutrality with 50.7mL of 6M HCl.
Enough of a monoprotic acid is dissolved in water to produce a 0.0126 M solution. The pH of the resulting solution is 6.38. calculate the Ka for the acid
What is the pH of a buffer solution that is 0.211 M in lactic acid and 0.111 M in sodium lactate? The Ka of lactic acid is 1.4 × 10-4.
HClO is a weak acid (Ka=4.0x10-8) as well as so the salt NaClO acts as a weak base. Explain what is the pH of a solution that is 0.028 M in NaClO
How many moles of each of the following were in the original sample?
Explain if 12.0g of MgO react entirely with access H4P2O7 and the heat from the reaction is utilized to warm 561g of water at 25.0 Celsius, explain what will be the final temperature of water. 3MgO(s) +H4P2O7(s) Mg3(PO4)2 +2H2O(g)
2 liquids, A and B, have the same molecular weight. Samples of each are placed on temperature probes and allowed to evaporate. After a period of time Liquid A had a change in temp
How many milliliters of 0.100 M Ba(OH)2 solution are required to neutralize a solution containing 3.92 g H2SO4
Draw the molecular structure of three monomeric units of the addition polymer that results from polymerization of acetylene. Only show the structure that would be found inside the brackets of a condensed formula for this polymer
Draw a mechanism to demonstrate how pyridine catalyzes the hydrolysis of acetic anhydride to two molecule of acetic acid. Is this reaction reversible? why or why not? Show all non-bonding electrons on each atom, circle positive charges
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