Gold has a melting point of 1063°C, and its latent heat of fusion is 12,700 ? ???. ? Determine the entropy change due to the freezing of one mole of gold, and indicate whether it is positive or negative.
What will be an ideal response?
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High quality welds can be made rapidly with excellent uniformity on a wide variety of metals and thicknesses when using the ____ welding process.
A. soldering B. shielded metal arc C. gas tungsten arc D. stick electrode E. both b and d
A vehicle with electronic rear proportioning uses ________ to perform the function of the proportioning valve
A) ABS solenoids B) Wheel speed sensors C) Both A and B D) Neither A nor B
To insure that the rafters or joists do not interfere with installation of the plenums on a curb mounted rooftop unit
A) The roof curb must be installed diagonal to the roof joists or rafters B) The roof curb must be square with the roof joists or rafters C) The roof joists or rafters are cut out where the curb is installed D) The plenums are fabricated in place with the roof joists or rafters passing through them
When using an open delta with a center tapped transformer, one wire is the high leg. The high leg is the one that _____.
A. has the highest voltage B. has the lowest voltage C. has the most amperage D. is mounted highest on the panel