catherinedailey
catherinedailey catherinedailey
  • 21-02-2022
  • Chemistry
contestada

PLEASE HELP!!!!!!!!!!!

PLEASE HELP class=

Respuesta :

indrawboy
indrawboy indrawboy
  • 21-02-2022

Heat change

Q1 = 27 x 4.184 x (314-273)=4631.688 J

n H₂O = 27 g : 18 g/mol = 1.5 moles

Q2 = 1.5 x 40.7 = 61.05 J

Q3 = 27 x 2.093 x (273-263)=565.11 J

Q4 = 4631.688 + 61.05 + 565.11 = 4987.848 J

Answer Link

Otras preguntas

Solve the equation for x
I need help on knowing which answer is correct and please solve 11 and I am getting a a on this!!!* calm downs *
Medieval European history begins _____. after the fall of the Western Roman Empire after the fall of the Eastern Roman Empire with the reign of Charlemagne
How does Peter Van Daan change in Anne's eyes as time passes in the Annexe? Question 20 options: A) Peter becomes more distant and strange to Anne. B) Peter b
I need help with these, there are already filled in just if anyone knows these off the top of their head it would be greatly appreciated. Thank you
It takes a car 1.75 h to go from mile marker 10 to mile marker 115. What is the average speed of the car? Someone who took this quiz? i will give brainliest A.
When the volume of a gas is changed from 800 cm3 to 400 cm3 the temperature will change from 115 C to ___C
How are geometric sequences related to exponential functions?
Find the equation of a parabola with its vertex at the origin and a focus of (-8,0)
HELP....(drag and drop question)