Mariette

I'm trying to balance this chemical equation but it's just not working. C7H14O2+O2 yields CO2 + H20 I'm having problems getting the zeros to balance since there's two zeros on both sides. One of the 0's is just on it's on, not in 2 or an even number so I...

The noun arma, -orum is neuter plural always according to my book. I thought neuter nouns ended in -a. What is the -orum then? Thanks.

Are these declensions correct? I just wanted to make sure since I'll be using them in a writing piece. socius noster socii nostri socio nostrio socium nostrium socio nostro (with macrons) soci nostri sociorum nostriorum sociis nostris socios nostros socii...

Find the coefficient of x^2y^3 in the binomial expansion of (x-2y)^5.