yasmeensonysalhi2016 yasmeensonysalhi2016

10-01-2021
Chemistry

contestada

the value of ΔE for a system that performs 13KJ of work on its surroundings and loses 9KJ of heat is ??

Respuesta :

11-01-2021

Answer:

ΔE = -22 KJ

Explanation:

Given data:

Work done = 13 KJ

Heat lose = 9 KJ (exothermic process)

ΔE = ?

Solution:

Formula:

ΔE = q + w

ΔE = - 9KJ + (-13 KJ) (work is done by the system on surrounding that's why we add negative sign)

ΔE = -22 KJ

Answer Link

Otras preguntas

hello I need you help please

The owners of a corporation are called

is my equation right 45 ÷ 67 × 87 × 98.9 ÷ 1 = 46.789

While a patient is on an SBT trial the practitioner must watch for rapid decompensation. This is indicated by which of the following?

A ball of mass 0.200 kg has a velocity of 150m/s; a ball of mass 0.300 kg has a velocity of - 0.4m/s. They meet in a head-on elastic collision. (a) Find their

Si cada día bebes 2 litros y 3/4 de litro de agua, ¿bebes más de 600 litros al año?

write an action plan to convice the president of uganda that you are the best person to head the ministy

reflection about the role south African women played against the violation of human rights from the 1950s to the 1960s

Fully describe the translation from y=x^2 to y=x^2+4. Give your answer in vector form.

The election of Hiram Rhodes Revels in 1870 was significant because he was the first African American to —