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pure nickel melts at 1726K at 10<sup>5</sup> Pa (1 atm.) pressure, ΔV (solid-liquid) = 0.26 × 10<sup>-6</sup> m<sup>3</sup> . mol<sup>-1</sup> and the heat of fusion, ΔHf = 18000 J.mol<sup>-1</sup>. The melting point of pure nickel, when acted upon by a pressure of 10<sup>8</sup> Pa is . . . . . . . . K.

Correct Answer: 1723.5

Study the following information and answer the questions. Point A is 8m to the west of Point B. Point C is 4m to the south of Point B. Point D is 4m to the east of Point C. Point F is 6m to the north of Point D. Point E is 8m to the west of Point F. Point G is 2m to the south of Point E. How far and in which direction is Point G from Point A?

Study the following information and answer the questions. Point A is 8m to the west of Point B. Point C is 4m to the south of Point B. Point D is 4m to the east of Point C. Point F is 6m to the north of Point D. Point E is 8m to the west of Point F. Point G is 2m to the south of Point E. If point G is 4m to the north of Point H, then what is the distance between H and D?

One cubic meter of some alloy is heated in a crucible from room temperature to 100 degree Celsius above its melting point for casting. The alloy density = 7.5 g/cm3, melting point = 800 0C, specific heat = 0.33 J/gC in the solid state and 0.29 J/gC in liquid state and heat of fusion = 160 J/g. How much heat energy must be added to accomplish the heating, assuming no losses? Ambient temp = 25 °C. Density of solid and liquid are same.

The heat to transform the metal from solid to liquid phase at the melting point, which depends on the metal’s heat of fusion. Calculate the unit energy for melting if the melting temperature is 1000K? (K = 3.33 * 10-6).

ΔHr = Σ ΔHf – Σ ΔHf.

The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its melting point. The melting point of a solid is an indication of

What is the absolute pressure experienced by a pressure sensor, if the atmospheric pressure of a fluid is 2 atm, gauge pressure is 5 atm and differential pressure is 3 atm?

What is the gauge pressure experienced by a pressure sensor, if the atmospheric pressure of a fluid is 1 atm, absolute pressure is 6 atm and differential pressure is 2 atm?

Consider the reaction:
Fe3O4 (solid, pure) + CO (gas, 1 atm) → 3FeO (solid, pure) + CO2 (gas, 1 atm)
For this reaction, ΔG1200 = -8000 joules per mole of CO and R = 8.314 J mol-1 K-1.
The equilibrium ratio, $$\frac{{pc{o_2}}}{{pco}}$$ reaction at 1200 K and 1 atm is . . . . . . . .

A man starts from point 'O', travels 20 km towards east to reach point 'A', turns right and travels 10 km to reach point 'B', turns right and travels 9 km to reach point 'C', turns right and travels 5 km to reach point 'D', turns left and travels 12 km to reach point 'E' and then turns right and travels 6 km to reach point 'F'. What is the shortest distance between point 'E' and point 'C'?