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Modern oil tankers weigh over a half-million tons and have lengths of up to a quarter of a mile. Such massive ships require a distance of 5.0 km (about 3.0 mi) and a time of 20 min to come to a stop from a top speed of 30 km/h.
(a) What is the magnitude of such a ship's average acceleration in m/s2 in coming to a stop?
(b) What is the magnitude of the ship's average velocity in m/s? Comment on the potential of a tanker running aground.
A student tried to make a buffer of pH 4.0 using sodium acetate and acetic acid. The initial pH of the buffer solution was 3.9. How should the student adjust the pH to the desired value?
what is the wavelength of radiation of frequency 4.80 times 1013
Nitrogen dioxide decomposes according to the reaction given below where Kp = 4.48 10-13 at a certain temperature. 2 NO2(g) 2 NO(g) + O2(g)
Give an example of how you would take a primary alcohol to an aldehyde, what reagents would you use. How would you take a primary alcohol to a carboxylic acid
question the electrode of a ph meter is placed in a sample of urine and a reading of 7.9 is obtained. is the sample
compound a has a solubility of 18 grams per 100 grams of water at25 celsius. cooling a saturated 200 g solution of
Explain and show using a graph why, at any given wage, a monopoly firm will hire less labor than the total employment if the industry were competetive
Mg + 2HCl --> MgCl2 + H2 For a mass of 0.013 g Mg and 5.0 mL of 1.00 M HCl, calculate the partial pressure of the resulting H2(g) in a flask with V = 140.612 mL at 23.5?C.
In an experiment 1.65g of lead(ii) nitrate react with .327g of zinc. What is the mole relationship between the lead nitrate and the zinc.
how much of the CaCl2 can be prepared from 385g of an ore containing Ca(OH)2 if the ore is 78.4% Ca(OH)2 by mass? Use the equation: 2 NH4Cl + 1 Ca(OH)2 --> 2 HN3 + 1 CaCl2 + 2 H20
A 20.00-mL sample of 0.200 M HBr solution is titrated with 0.200 M NaOH solution. Calculate the pH of the solution after the following volume of base has been added: 20.1 mL.
The inside fluid temperature is 223 degrees celsius while the outside fluid temperature is 57 degrees celsius. Calculate the heat lost by the tube per meter of length.
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