Answer:
balanced reaction: <u>1</u> C3H8 + <u>5</u> O2 ----> <u>3</u> CO2 + <u>4</u> H2O
Step-by-step explanation:

15 - c = 6
15 - 6 = c
9 = c
c = 9
Answer:
I am guessing the 1st one.
Step-by-step explanation:
8x does NOT equal 12 I believe. I am sorry if I am incorrect
I hope this helps you
125-87,5=37,5
125 37,5
100 ?
?.125=100.37,5
?=3750/125
?=30
30%
Answer:
4
Step-by-step explanation: