Consider the reaction

2 NO2 (g) <=> N2O4 are 0.2 M, what is the value of Kc?

A. 0.2
B. 0.3
C. 0.225
D. 5.0
E. 2.5
Please help.

Of course: ) what’s your name ?

Hbr dissociates to form h+ and br-ca(oh)2 dissociates to form ca2+ and 2oh-the h+ and oh- react to form waterassuming the reactants are dissolved in water, the net reaction is h+ + oh- —> h2oif you’re asked to show all components of the reaction, the complete reaction is 2hbr + ca(oh)2 —> cabr2 + 2h2o

Combustion is the act or process of burning. therefore, i believe the answer is  a: burning wood.