Question

According to Le Chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.

Answer 1

According to Le Chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that:

Reduces the stress

For, example, if a system is in equilibrium then you increase the pressure, the chemical system will respond by shifting the equilibrium in a direction that reduces the pressure.


Likewise, if a system is in equilibrium then you increase the temperature/concentration, the chemical system will respond by shifting the equilibrium in a direction that reduces the temperature/concentration

Answer 2

Explanation:

tan∅ +sec∅ = 2/3

tan∅=sin∅/cos∅

sec∅ = 1/cos∅

sin∅/cos∅ + 1/cos∅ = 2/3

(sin∅ + 1)/cos∅ = 2/3

sin∅=1-cos²∅

(1-cos²∅+1)/cos∅ = 2/3

(-cos²∅)/cos∅ = 2/3

-cos∅ = 2/3

cos∅ = -2/3

1/cos∅ = sec∅ = -3/2

sec∅ = -3/2

If tan theta + sec theta is equal to 2/ 3 then sec theta is -3/2