Give examples of intensive properties.

The relation between $\Delta H$ and $\Delta U$ is

For a phase change$H _2 O ( l ) \underset{1 bar , 0^{\circ} C }{\rightleftharpoons} H _2 O ( s )$

In thermodynamics,a process is called reversible when

$X$ is an extensive property and $x$ is an intensive property of a thermodynamic system. Which of the following statement$(s)$ is (are) correct?

Fill in the blanks:
$(i)$ $1 \ \text{calorie} = \ldots \ldots \ \text{joules}$
$(ii)$ The work done by the system can be calculated by the equation .......