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Classify each phase as describing a solid, liquid, or gas. Solid Liquid Gas no definite volume, no definite shape particles are close together and do not move relative to each other particles are close together and can move past each other particles may be far apart and move randomly definite volume, definite shape definite volume no definite shape
What type of phase transformation is described by a liquid phase and solid phase yielding another solid phase composition upon cooling? What is the strengthening mechanism for martensite?
11. (15 Points) The Gibbs free energy of the solid phase and the liquid phase of a substance of one mole are shown (dashed lines) below as a function of T under a constant P- 10' N/m2. The molar volume of the solid and of the liquid are 18 x 103 m/mole and 2.0 x 10 m'/mole, respectivel (a) If one mole of the liquid transforms to the solid under a constant P 10 N/m2, calculate the c hanges of...
1) upon heating, one phase results in another solid phase and a liquid phase during (.........) reaction.\ a) peritectic b)eutectic c)peritecid d)eutectiod 2) when steel with exactly 0.8% of carbon by weight is cooled slowly, the BCC structure of the mixture tries to revert back to its original FCC structure a) True B) False 3) the line above which the alloy liquid is called? a) liquid line b)tie line c) solidous line d) lever line
In this phase diagram for water, indicate the direction that the
solid-liquid and liquid-gas coexistence lines will move after the
addition of solute.
In this phase diagram for water, indicate the direction that the solid-liquid and liquid-gas coexistence lines will move after the addition of solute.
16. Consider the combustion of solid sucrose (C12H22O11), to form liquid water and a gaseous product. a) Write & balance the equation, including phases. b)If 2.001 g of sucrose reacts with 1.00 L of O2 at 753 torr and 25.8 °C, how many grams of liquid water are theoretically formed? c) Assign oxidation numbers to each element in the reaction. d) Which substance undergoes oxidation? Reduction? e) Identify the oxidizing and reducing agents.
8.18. A liquid phase sintered material is synthesized with a solid-solid grain boundary energy of 0.80 J/m2, solid-liq- uid interfacial energy of 0.45 J/m2, and grain diameter of 20 um. What is the average size of the solid-solid necks in the sintered microstructure?
47. Materials in sedimentary nutrient cycles: a. pass through both a solid and a gaseous phase b. are never present as gases in the ecosystem c. are present as liquids in the earth but as gases in the atmosphere d. involve all of the above 48. Two species in one habitat can coexist when they: a. differ in their use of resources b. use the same resource in different ways c. use the same resource at different times d. all...
which of the following would the particles be closest together? liquid water, gaseous flourine, solid ice, ammonia vapor,or water plasma
X is known to exist at 1 atm in the solid, liquid, or vapor phase, depending on the temperature. Additionally, the values of these other properties of Substance X have been determined: boiling point 35. melting point enthalpy of fusion6.00 kJ/mol enthalpy of vaporization 34.00 kJ/mol 46. J-K mol (solid) 73. JK mol (vapor 2.80 g/em (solid) 2.40 g/mL (liquid density heat capacity61.JKmol Ciquid) You may also assume X behaves as an ideal gas in the vapor phase. Suppose a...