Monday
October 20, 2014

Homework Help: Physical Science

Posted by Alexandra on Friday, October 11, 2013 at 7:11pm.

Which of the following is a single replacement?

a. KOH + HCl --> KCl + H2O
b. 2Na + 2H2O --> H2 + 2NaOH
c. 2C2H6 + 7O2 --> 4CO2 + 6H2O
d. H2O + CO2 --> H2CO3

Any help would be appreciated, thank you in advance!

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