Which substance required more thermal energy
100g of water (specific heat=4.184 J/g*C) and 100g of a metal sample (specific heat=0.397 J/g*C) are heated from 25 degrees celcius to 75 degrees celcius. Which substance required more thermal energy to reach 75 degrees celcius?
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At a certain temperature and pressure, 1.7 L of N2 reacts with 5.1 L of H2. If all of the N2 and H2 are consumed, what volume of NH3(g) is produced at the same temperature and pressure?
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At what distance along the central perpendicular axis of a uniformly charged plastic disk of radius 0.6m is the magnitude of the electric field equal to one-half the magnitude of the filed at the center of the surface of the disk?
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