Question

Consider the reaction H2(g) + Cl2(g) ⇌ 2HCl(g) which of the following

stresses will cause the reaction shift in the forward direction?

a. decreasing the pressure

b. removing some HCl(g)

c. increasing the pressure

d. removing some H2(g)

Consider the reaction N2(g)+2O2(g)→2NO2(g), which stress will cause the reaction shift to the left

a. increasing the pressure

b. removing some NO2(g)

c. adding a catalyst

d. decreasing the pressure

Phenolphthalein is an indicator with a pH range from 8.3 to 10.0. Of the following, which is the most likely titration combination for this indicator to change at the endpoint?

a. Weakbasewithastrongacid
b. Weak acid with a strong base
c. Weakacidwithaweakbase
d. This indicator is not appropriate for any of these

Explain whether Na2CO3 is would form an acidic or basic solution when

dissolved in water and how you would make this determination.

Answer 1

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L option B is correct, on removing HCl reaction moves to forward. Remouring option moves to the backward. prenure 2, option ® is correct, on decreasing presente it moves reaction backward, 3, option 6 is correct weak acid with a sto song base can be used for the titration as. It helps to indicates end point. 4. Na₂CO3 fooms basic solution forme NaOH & H2CO3 is the solution, Being strong bose base naoh remain is solution. increases con concentration. as it cscanned with CamScanner