Question

What is the energy change that will occur when 25.5 grams of oxygen gas (O2) react with excess methane (CH4) according to the reaction below?

CH4 + 2 O2 CO2 + 2 H2O H = -889 kJ/mol

354 kJ of energy will be absorbed by the reaction

708 kJ of energy will be given off by the reaction

708 kJ of energy will be absorbed by the reaction

354 kJ of energy will be given off by the reaction

Answer 1

@spray_N_Pray

Answer 2

Sry bout that, helping someone with poetry

Answer 3

What a pain

Answer 4

no you are fine!

Answer 5

It says I was typing, but I am drawing...

Answer 6

Metal pls? Need Grammar Police.
That'l fit me well.

Answer 7

Damn I have to remember each of these individually from years ago.

Answer 8

u get grammar police only if you answer the questions and get medals in english but if you get 50 medals chem you can get walking on the periodic table if you wish ! :) don't worry i will help you get is much as medals as possible :)

Answer 9

Thanks. Also, crap. Adding those 354's and 708's was bloody useless.

Answer 10

=0

Answer 11

Okay I got dis

Answer 12

okay :)

Answer 13

-889

Answer 14

-889 kg/mol

Answer 15

??

Answer 16

Yeah, maybe I did it wrong...

Answer 17

It's the same value as up there.

Answer 18

yeah lol