Fill in the blanks:
$1.$ The temperature of freezing point ...... and temperature of boiling point ...... are taken in a Fahrenheit thermometer.
$2.$ The zeroth law of thermodynamics defines ...... and the first law of thermodynamics defines ......
$3.$ At ...... temperature,water and water vapour have equal density.
$4.$ The ...... has the maximum value of specific heat.

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(N/A) $1.$ The freezing point of water is $32^{\circ}F$ and the boiling point is $212^{\circ}F$ on a Fahrenheit thermometer.
$2.$ The zeroth law of thermodynamics defines temperature,and the first law of thermodynamics defines internal energy.
$3.$ At the critical temperature $(647.096 \ K)$,water and water vapour have equal density.
$4.$ Water has the maximum value of specific heat capacity among common substances.

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