1. The specific gravity of ethyl alcohol is 0.79. Calculate a) mass density; and b) specific weight.
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- The following information is given for n-pentane at 1 atm:boiling point = 36.20°C ΔHvap (36.20°C) = 357.6 J/g melting point = − 129.7°C ΔHfus (−129.7°C) = 116.7 J/g specific heat gas = 1.650 J/g ⋅ °C specific heat liquid = 2.280 J/g ⋅ °C A 26.10-g sample of liquid n-pentane is initially at −51.40°C. If the sample is heated at constant pressure (P = 1 atm), how many kJ of energy are needed to raise the temperature of the sample to 65.30°C?Question 6 (of 8) 6. The density of platinum is 21500 kg/m³ and that of aluminum is 2702 kg/m³. Find the ratio of the volume of 1.80 kg of platinum to the volume of 1.17 kg of aluminum.1. A 65 wt% Ni -35 wt% Cu alloy is heated to a temperature within the a + liquid phase region. If the composition of the a phase is 70 wt % Ni, determine i. The temperature of the alloy ii. The composition of the liquid phase iii. The mass fraction of both phases Composition (at% Ni) 20 40 60 80 100 1600 H 2800 1500 Liquid 1453°C 2600 1400 Solidus line Liquidus line 2400 1300 a +L 1200 2200 1100 A 2000 1085°C 1000 20 40 60 80 100 (Cu) Composition (wt% Ni) (Ni) Temperature (°C) Temperature (F)
- (b) Demonstrate that the following equation is dimensionally homogenous. [10 %] Ixc Yp = ye+ Ayc fluid mechanicsGiven a Cu-Ag alloy with a bulk composition of 30wt% Ag, answer the following: a. At what temperature does the first solid start to form? units: units: units: b. What is the elemental composition of this solid phase when it first appears? c. At what temperature does the material become fully solid? d. What is the elemental composition of the very last portion of liquid that is present just before the system fully transforms to solid? Temperature (°C) 1200 1000 800 A α B 8.0 (CE) units: Composition (at% Ag) 20 40 60 80 100 2200 -Liquidus Liquid 2000 -Solidus a +L 1800 F 1600 779°C (TE) B+L E G 71.9 91.2 1400 β (CE) (CBE) 600 Solvus α + β 400 C 200 0 20 40 (Cu) 1200 1000 800 600 H 400 60 80 100 (Ag) Composition (wt% Ag) Temperature (°F)The specific gravity of ethyl alcohol is 0.79. Calculate its specific weight (in both pounds per cubic foot and kilonewtons per cubic meter) and mass density (in both slugs per cubic foot and kilograms per cubic meter). PLEASE INCLUDE THE UNIT CONVERSTION
- An alloy has a total mass of 100g and comprises of two components A and B. The component B is the 40% of total alloy, 20% of liquid element, and 50% of solid element. Compute the mass of solid and liquid elements of the alloy.The specific gravity of glycerin is 1.26. Compute its specific weight and density.2. A compound used in automobile antifreeze, is 38.7 % C, 9.7% H, and 51.6 % O by mass. Its molar mass is 62.1 g/mol. (a) What is the empirical formula of this compound? (b) What is its molecular formula? (.
- 2. The density of platinum is 21500 kg/m³ and that of aluminum is 2702 kg/m³. Find the ratio of the volume of 1.40 kg of platinum to the volume of 1.08 kg of aluminum.subject: Material Engineering Using the given sheet for the Ni-Ti Phase diagram, how many phase fields appear in the diagram and write down the weight fraction of gamma phase for an alloy containing 43% wt of Ti at 1000 C34 If the following diagram represents the sintering of the ceramic MgO, what could the curves x and y refer to? increase in property X 1000 1200 1600 sintering temperature (°C) (A) = grain size; y porosity (B) x grain size; y = strength O(C) x porosity; y-grain size 1400 O (D) x strength; y grain size 1800