Calculate the entropy of mixing for 2 moles of an alloy that has a composition of 30 atomic %copper and 70 atomic %nickel.
What will be an ideal response?
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Earth's secondary atmosphere occurred when _____________ was added to the carbon dioxide, water vapor, and nitrogen mix by plant life, and _____________ was removed from the carbon dioxide, water vapor, and nitrogen mix by dissolution in seawater
Fill in the blank(s) with correct word
What would happen in the Sun if the temperature of the core decreased?
A) The fusion rate increases, then the core expands and cools. B) The fusion rate increases, then the core shrinks and heats. C) The fusion rate decreases, then the core shrinks and heats. D) The fusion rate decreases, then the core expands and heats.
What is the wavelength in the Balmer series for n = 15?
A) 277.1 nm B) 371.1 nm C) 188.6 nm D) 656 nm E) 754.2 nm
At the first minima on either side of the central bright spot in a double-slit experiment, light from each opening arrives
A) in phase. B) 45° out of phase. C) 90° out of phase. D) 180° out of phase. E) none of the given answers