ttoriig ttoriig

11-11-2022
Chemistry

contestada

Given the thermochemical equations
X₂ + 3 Y₂ → 2XY3 ΔH1= -340kJ
X₂ + 2Z₂ → 2XZ₂ ΔH2= -170 kJ
2Y2 + Z2 → 2Y₂Z ΔH3= -260 kJ

Calculate the change in enthalpy for the reaction.

4XY3 +7Z₂ → 6Y₂Z + 4 XZ₂

ΔH= ____ kJ

Respuesta :

Otras preguntas

Irony is not a figure of speech. a. True b. False

Which regular polygon will not tessellate alone? pentagon, triangle, hexagon, square

The purpose of grammar is to make English behave like Latin. a. True b. False

A 9-kg bag of mangoes for $12 ________ dollars per kg

Write a word problem that can be solved by finding the numbers that have 4 as a factor

Which answer is the sentence fragment? a. Minor-league players can win you over with their determination and energy. b. It was "Dollar Hot Dog Night" at the lo

The importance of fashion in Victorian London and the overwhelming number of dressmakers and servants who were employed support the conclusion that Londoners we

Nine tenths of a sum of money is 45. Find the whole amount

What is one benefit of lifelong physical activity? A.High physiological age B.High blood pressure C.Prevention of weight gain D.Increase in healthy eating habit

what two numbers multiply to.give you negative 11 and add to give you 10?