Which compound is liberates higher heat at 3 days from the hydration Tetra calcium Aluminoferrite Tricalcium silicate Tricalcium aluminate * Dicalcium silicate
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- Provide relevant infomation about the constituents of OPC in the blank cells of the following uble Specific gravity Peroent by weight Rate of S.N Constituent Desity Role Size hydration Tricalcium aluminate Tetracalcium 2 aluminoferite 3 Helite 4 Alite GypumSilver nitrate is stored in a brown bottleThe unusual properties obtained from 1 point SPS is ascribed to the. O short time of process low temperature used O graphite electrodes O energy used
- Q.1. For hypereutectoid plain carbon steel (select %C content yourself), determine the phases that are present, the compositions of these phases, and the percentages or fractions of the phases. Make schematic sketches of the microstructure that would be observed for conditions of very slow cooling at the following temperatures: a) Just above the austenite transformation temperature b) The austenite transformation temperature 10°C c) The eutectoid transformation temperature +10°C d) The eutectoid transformation temperature 10°CA steel alloy is known to contain 93.8 wt% Fe, 6.0 wt% Ni, and 0.2 wt% C. Assume that there are no alterations in the positions of other phase boundaries with the addition of Ni. (a) What is the approximate eutectoid temperature of this alloy? i °C (b) What is the proeutectoid phase when this alloy is cooled to a temperature just below the eutectoid? (c) Compute the relative amounts of the proeutectoid phase and pearlite. i Wp iFor alloys of two hypothetical metals A and B, there exist an a, A-rich phase and a ß, B-rich phase. From the mass fractions of both phases for two different alloys (given below), which are at the same temperature, determine the composition of the phase boundary (or solubility limit) for the following: Fraction Fraction Alloy Composition a Phase B Phase 60 wt% A - 40 wt% B 0.59 0.41 30 wt% A - 70 wt% B 0.13 0.87 (a) a phase wt% A (b) B phase wt% A
- A solvent is a mixture consist of 2 or more substances FALSE O TRUE Water molecule is polar FALSE TRUE O Precipitation reactions are the splitting of molecule into smaller . molecules , atoms , or ions FALSE O TRUE OWhat reagents are required to convert 1-butene to 1,2-dibromobutane? A) Br₂ B) H₂O, H₂SO₄ C) HBr D) H₂