Question

“Why didn't you go to school yesterday, dear?" said the mother to the girl, "I was not in a position to go to school," the girl replied. "How do you feel today?" the mother asked again. "Better," said the girl, "Don't be tensed."​

Answer 1

Answer:

At 400 °C the reaction between hydrogen and iodine reaches an equilibrium. The reaction is exothermic. H2(g) + I2(g) 2HI(g) ∆H = –13kJ / mol Which change in conditions would increase the percentage of hydrogen iodide in the equilibrium mixture?

A a decrease in pressure

B a decrease in temperature

C an increase in pressure

D an increase in temperature