True or False Chemistry questions?

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If the statement is true, write "true". If it's false, change the word in parenthesis to make the statement true.

NH4Cl(s) + heat = NH3(g) + HCl(g)

1.
The above reaction is ( exothermic ).

2.
The production of ammonia from ammonium chloride will ( increase ) at higher temperature.

3.
In the above reaction system, the value of Keq ( decreases ) as the temperature increases.

4.
For the above equation at equilibrium, an increase in pressure on the system cause a ( decrease ) in gaseous ammonia concentration.


Thanks for helping me...
It means a lot :]
 
1
false -above reaction is endothermic
2
true
3
false-value of k will decrease
4
true
 
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