In the melting of ice,which one of the conditions will be more favourable?

For the reaction $N_2 + 3H_2 \rightleftharpoons 2NH_3 + 21.9 \, kcal$,under which conditions is the production of ammonia favored according to Le Chatelier's principle?

$N_{2} + 3H_{2} \rightleftharpoons 2NH_{3} + \text{heat}$. What is the effect of the increase of temperature on the equilibrium of the reaction?

Which of the following can be explained by Le Chatelier's principle?

For the following balanced reaction occurring at a constant temperature,what will be the change in the concentration of $CO$ if the volume of the system is decreased?
$2CO_{(g)} \rightleftharpoons O_{2(g)} + 2CO_{2(g)}$

For the reaction $Br_2 \rightleftharpoons 2Br$,the equilibrium constants at $500 \, K$ and $700 \, K$ are $1 \times 10^{-10}$ and $1 \times 10^{-5}$ respectively. The reaction is .......