The equation below is unbalanced. C3H8+O2->CO2+H2O

When the equation below is correctly balanced, what is the coefficient of O2?

A. 2
B. 3
C. 4
D. 5

Please answer. No links please!!!

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

Express the following number in scientific notation. 0.026890 =