laeballad14
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

Read the excerpt from Immigrant Kids by Russell Freedman Which is an example of paraphrasing the excerpt? Immigrants usually crossed the Atlantic as steerage pa
Where (in relation to the sun) are the four densest planets? A) farthest from the sun B) nearest to the sun C) distance from the sun is not related to density D
Refers to the position of a place or entity based on its location with respect to other locations
A fairly recent alternative to algebraic modeling is spreadsheet modeling, which, instead of relating various quantities with algebraic equations and inequaliti
what color is an orange
what is 7 1/3 as a improper fraction
There are 12 inches in 1 foot and 5,280 feet in 1 mile. Elena ran 2 1/2 miles. How many feet is that? Elena ran __________ feet.
Find the GCF of 38, 76, and 114.
As a solute concentration rises, its rate of transport through a membrane increases up to the point where all the carriers are saturated. This point of saturati
What is the place value of the digit 9 in 45.93