Which of the following occurrence indicates that a chemical reaction has taken place? a. An odor is produced by burning a sugar cube.
b. A puddle is produced by melting an ice cube.
C. A loud noise is produced by crushing a can.
d. A shard of glass is produced by breaking a bottle.

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

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