ambermcknight4oup0rm ambermcknight4oup0rm
  • 15-08-2017
  • Physics
contestada

.
In a chemical reaction, the reactants contain 385 kJ of chemical energy, and the products contain 366 kJ of chemical energy.

In order for energy to be conserved, what must happen?

Respuesta :

scme1702
scme1702 scme1702
  • 23-08-2017
The law of conservation of energy states that the total energy in a system remains constant. Therefore, the energy before and after the chemical reaction must be the same. 

385 = 366 + ΔH
ΔH = 19 kJ

The remaining 19 kJ of energy are released into the surroundings in the form of heat energy.
Answer Link

Otras preguntas

Type the correct answer in the box. 3 units 9 units The area of the figure is 21 units 60 8 units 3 units square units
What is the central idea in this paragraph?
A rocket is shot off from a launcher. The accompanying table represents the height of the rocket at given times, where x is time, in seconds, and y is height, i
specialization can help a country‘s economy by
Please help me with math
Being timed help!!! a clarinet has an air column length of 58 cm. what is the wavelength of the 5th harmonic a) 13 cm b) 26 cm c) 52 cm d) 104 cm ill give
Why were Egyptian gods generally more helpful to humans than Mesopotamian gods?
describe SETTING in your own words​
jonah recorded the points his team scored during its last nine basketball games. The mean number of points scored was 42 and the MAD Was 4.4. How can Jonah use
Dakota's wading pool is shaped like a rectangular prism. It has a volume of 8,640 cubic inches. Which could be the dimensions of the wading pool? Select all tha