100 grams of X metal at 100 ° C is put into 140 mL of water at 25 ° C (specific is: 4.184 J / g "C) in an insulated container. Since the final temperature of the mixture is 29.6 ° C, the specific name of metal X is J. Taking gc which of the following? (d 1 g / ml

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Principal Quantities and EOS

A physical quantity represents the physical state of a system. It is expressed as the product of a number and unit. The basic quantities used in science are length, mass, and time. The principal quantities are the quantities that are independent of other quantities.