Calculate the composite modulus for epoxy reinforced with 80 vol % boron filaments under isostrain conditions. Express your answer to three significant digits. The composite modulus is Submit Request Answer 15. ΑΣΦ Ι 11 Ivec B ? MPa.
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- Calculate the composite modulus for polyester reinforced with 30 vol % Al2O3 whiskers under isostrain conditions. (For polyester, E = 6900 MPa. For Al2O3 whiskers E= 430 × 10³ MPa.) Express your answer to three significant digits. 15| ΑΣΦ The composite modulus is Submit Request Answer vec 6 ? MPa.For a lead-tin alloy of composition 80 wt% Sn-20 wt% Pb and at 180 °C, do the following: (a) Determine the mass fractions of the a and B phases. (b) Determine the mass fractions of primary Bß and eutectic microconstituents. (c) Determine the mass fraction of eutectic B.3. Determine the porosity of a sweet Vidali onion, which is composed of 93.8% water, 1.04% protein, 0.45% fat, 4.48% carbohydrate, and 0.46% ash. The apparent density of the onion was measured by the liquid displacement method. Toulene was used as the pycnometer liquid. All the measurements were carried out at 20°C and the density of the toluene at that temperature is known to be 865 kg/m³. The date obtained from liquid displacement measurements are: Weight of the empty pycnometer: Weight of the pycnometer filled with toluene: Weight of the pycnometer containing only onion: Weight of the pycnometer containing the onion and toluene: 75.87 g 126.58 g 85.87 g 127.38 g
- Substances A and B with capacity factors 6.3 and 11.4, respectively, are being carried by a mobile phaseflowing at a velocity of 0.53 mm/s. What is the length of a column required to separate these two substanceswith a resolution of 1? Assume that the sample zones for both A and B broaden based on the van Deemter equation H = 0.35 + 0.48/u+ 0.57u where Hand u are expressed in µm and mm/s, respectively.For many years, the extraction of gold - that is, the separation of gold from other materials - involved the use of potassium cyanide: 4\;\mathrm{Au}+8\;\mathrm{KCN}+\mathrm{O_2}+2\;\mathrm{H_2O}\rightarrow4\;\mathrm{KAu(CN)_2}+4\;\mathrm{KOH}4Au+8KCN+O2+2H2O→4KAu(CN)2+4KOH What is the minimum amount of KCN in moles needed to extract 29.0 g (about an ounce) of gold?Estimate the mixing ratio of NO in the following condition: NOx = 30 ppb, 03 100 ppb, [M] = 2.5×1019 cm3, İNO2 = 0.015 S¹, KNO+03 = 1.9x10-14 cm³ s 1. Answer in ppb and put value without unit.
- [(2.26 x 106) = 44.343] + 130.14 VG ΑΣΦΑΦ Submit hel CO micr HTC ΚΑΛΗΣΠΕΡ Εγκατ ACTI Birtugus Answer ?1-Make a rough estimate of the thermal conductivity of n-butane both as a liquid at 20 °C and as a gas at 5 bara and 200 °C. Take the viscosity of the gaseous n-butane as 0.012 mN m ?s.Compute the mass fractions of liquid in the following refractory materials at 1600°C(2910°F): (a ) 5wt % Al2O3-95wt % SiO2 W₁ = (b) 26wt % Al2O3 -74 wt % SiO2 W₁ = L L ) 82wt % Al2O3 - 18wt% SiO2 W₁ = L W₁ = (d (c) 32wt % Al2O3-68wt % SiO2 WL
- When 10 mL of water at 20oC is placed in an Ostwald viscometer, it takes 136.5 s for the liquid levelto drop from the first mark to the second. For 10 mL of hexane at 20oC in the same viscometer, thecorresponding time is 67.3 s. Find the viscosity of hexane at 20oC and 1 atm.(ηH2O=1.002 cP, dH2O= 0.998 g/cm3, dC6H14=0.659 g/cm3)The thermal conductivity of carbon dioxide at 0 ºC is 0.0145 J K-1m-1 s-1. Estimate the diameter of the molecule knowing that Cp,M= 66 Jmol-1 K-1. Solution: 4.23 Å5 0.0030 0.0015 0.0005 6 0.0030 0.0057 0.0089 7 0.0086 0.0057 0.0089 Show the Calculations of Qc and Kc for Exp. 5-7 Please help me out. Thanks