Chemistry, 21.02.2020 05:51 sayedabdullah
Consider a thin-walled cylindrical tube having a radius of 65 mm that is to be used to transport pressurized gas. If inside and outside tube pressures are 100 and 1.0 atm (10.13 and 0.1013 MPa), respectively, compute the minimum required thickness for each of the following metal alloys. Assume a factor of safety of 3.5 Yield Strenth, Density, Unit Mass Cost, Æ y (MPa) Alloy rho (g/cm2) ($US/ kg) Steel (plain) 375 7.8 1.65 Steel (alloy) 1000 7.8 4.00 Cast iron 225 7.1 2.50 Aluminum 275 2.7 7.50 Magnesium 175 1.80 15.00 (a) Steel (plain) (b) Steel (alloy) (c) Cast iron (d) Aluminum (e) Magnesium
Answers: 3
Chemistry, 22.06.2019 06:30
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
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Chemistry, 22.06.2019 13:00
12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer
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Chemistry, 22.06.2019 15:20
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Chemistry, 22.06.2019 16:30
Correct relationship between molecular formula and empirical formula
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Consider a thin-walled cylindrical tube having a radius of 65 mm that is to be used to transport pre...
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