laeballad14 laeballad14

04-01-2021
Chemistry

contestada

help !! Im not sure how to do this

help Im not sure how to do this class=

Respuesta :

theonek theonek

04-01-2021

1)The third equation must be halved.
H20–>H2+1/2O2
So ΔΗ3=483.6/2
2)The second equation must be halved and reversed.
CO2–>CO+1/2O2
So ΔΗ2=-(-566)/2=566/2

And now :
C+O2–>CO2
CO2–>CO+1/2O2
H2O—>H2+1/2O2
(You add them)
C+H2O—>CO+H2
ΔΗrxn=ΔΗ1+ΔΗ2’+ΔΗ3’=-393.5+283+241,8=131,3

Answer Link

Otras preguntas

6/6/ Is a proper fraction or improper fraction

Riddle of the Day Listo, the leader of a band of assassins, was taken captive by an opposing kingdom. "Give your daggers," said one of the generals, "Or you ar

Look at the image for the question below

ways of improving sanitation in the school

PLS HELP QUICK IM BEGGINGGGG!!!!! PLEASE HELP ME!! The following box plot represents the heights of the students in Mr. Taylor's fourth grade math class. In a

Complete the table for the given rule. Rule: y is 0.75 greater than x x y 0 3 9

What is a macromolecule? Question 6 options: a) a molecule that contains carbon b) a very large molecule c) a molecule that has two hydrogen atoms and one oxyge

2. Determine whether the matrices are inverses.

Add a tag to each sentense.

answer this question fast with steps and I'll mark brilliantest