Which statements describe the jim crow laws of the post-civil war period?

choose all answers that are correct.

they reflected white southerners hostility towards former slaves.

they made segregation illegal throughout the south.

they set up a "separate but equal" system for public facilities.

they were used to deny blacks their civil rights as american citizens.

Liquid ammonia is produced at high temperatures and under great pressure in a tank by passing a mixture of nitrogen gas and hydrogen gas over an iron catalyst. the reaction is represented by the following equation. n2(g) + 3h2(g) → 2nh3(g) changing all but one experimental condition will affect the amount of ammonia produced. that condition is a) increasing the concentration of both reactants b) changing the temperature within the tank c) decreasing the pressure within the tank. d) increasing only the amount of nitrogen present.