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The large diameters are 100mm and the venturi diameter is 20mm. SG 13.54 a, what is the flow of water (60degree F) that will cause the mercury level to rise 250mm in the tube attached to the venturi. b, What is the flow of gasoline (77degree F) that will cause the mercury level to rise 200mm in the tube.
Consider the Lewis structure for the polyatomic oxyanion shown below, where X is an element from the 3rd period (Na- Ar). By changing the overall charge, n, from 1-to 2 -to 3 - we get three different polyatomic ions.
Calculate the amount of Tris (hydroxlmethyl) aminomethane (Tris) necessary to make 100mL of a 0.100M Tris buffer that is equimolar in
A gas mixture is made by combining 7.2g each of Ar, Ne, and an unknown diatomic gas. At STP, the mixture occupies a volume of 92.04L. What is the molar mass of the unknown gas in g/mol, and identify the unknown gas
A 1.992g sample of octane, C8H18, is burned in a calorimeter that has a calorimeter constant of 144 J/celcius and contains 750.0g of water. the temperature of the water rose from 14.73 celcius to 42.78 celcius. Determine the enthalpy of combustion..
Determine q for the acid-base reaction, assuming that the liquids have densities of 1.00 g/mL and the same heat capacities as pure water.
At 710.mm hg a sample of nitrogen gas occiuped 625 ml.what volume does gas occupy if the temperature remains constant and the pressure increases to760.mm hg?
calculate the buffer capacity of a 0.05m salicyclic acid solution at pH7. at what pH is the buffer capacity maximum?
Nickel crystallizes in face center cubic unit cell with an edge of 375pm. Determine the density of nickel in g/cm
cake alum aluminum sulfate is commonly used to purify sewage. what mass of precipitate aluminum hydroxide forms when
Magnesium metal rects with oxygen to make a white powder knon as magnesium oxide. As the reaction proceeds, a bright white flame is seen. It is found that 2.6 g of magnesium reacts with1.6 of oxygen.
Vinegar Is a solution of acetic acid dissolved in water. a 5.54 g sample of vinegar was neutralized by 30.10ml of .100 M NaOH. What is the percent by weight of acetic acid in the vinegar
A buffer contains equal amounts of a weak acid and its conjugate base and has a pH of 5.25. Which of the following values would be reasonable to expect for the pH after addition of a small amount of HCl. The answer: 5.15
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