madisonfrench4567 madisonfrench4567

25-02-2024
Chemistry

contestada

Calculate the heat of formation for the following reaction: 8 Al(s) + 3 Fe3O4(s) → 4 Al2O3(s) + 9 Fe(s)ΔH for Fe3O4(s) = -1120.9 kJ/molΔH for Al2O3(s) = -1669.8 kJ/mol
(A) -3,316.5 kJ
(B) -2,563.6 kJ
(C) -1,657.2 kJ
(D) -53.9 kJ

Relax

Respuesta :

Otras preguntas

Determine if the conditional statement is true or false given the following: p is false. q is true Is q p true or false?

How do I find the "Greatest Common Factor" of 7z^11, −56z^9, 63z^8?I think it is "7", but cannot figure out the variable exponent...HELP!!!

Use the explicit formula an=a1+(n-1)d to find the 500th term of the sequence below. 24,31,38,45,52,..

Determine if the conditional statement is true or false given the following: p is false. q is true Is q p true or false?

If 10 men can complete a piece of work in 30 days how many men are requiredto complete the same job in 25 days?

Find the domain and range of this function f(x)=1/squareroot of (x-4)

Find the roots of the equation by completing the square: 3x^2-6x-2=0. Prove your answer by solving by the quadratic formula.

Can x-2 ever be less than 0? Why or why not?

factor completely 16x^2 + 24x + 9

a number increased by 8 gives the same result as a number multiplied by 8. whay is that number?