Hess's law states that:
A. Energy cannot be created nor destroyed, it can only change form.
B...
![subject](/tpl/images/cats/fizika.png)
Hess's law states that:
A. Energy cannot be created nor destroyed, it can only change form.
B. The enthalpy change when 1 mole of a substance undergoes complete combustion under standard conditions is equal to molar masses of the compounds.
C. When the enthalpy changes under standard conditions, 1 mole of a substance is formed from its elements.
D. The overall enthalpy change for a reaction is independent of the route the reaction takes.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 21.06.2019 22:40
Explain vector addition, triangle method and parallelogram method
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 11:30
If we relied solely on the nonrenewable resources found in the u.s., which one would we run out of first at current usage levels? a. natural gas b. oil c. uranium d. coal
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 19:00
Which of the following list the divisions of the geologic time scale in order from longest to shortest
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 23.06.2019 07:00
*30 points + brainliest answer* gravity is pulling an object into the sun. the closer the object gets to the sun, the greater the gravitational force that acts on the object, increasing its acceleration. a line graph plotting the speed of the object against time would have which shape? a: straight line of positive slope b: curved line that slopes upward c: curved line that slopes downward d: straight line of negative slope
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 30.10.2019 18:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/istoriya.png)
History, 30.10.2019 18:31
![question](/tpl/images/cats/biologiya.png)
Biology, 30.10.2019 18:31
![question](/tpl/images/cats/mat.png)
Mathematics, 30.10.2019 18:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.10.2019 18:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mir.png)
World Languages, 30.10.2019 18:31
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mkx.png)
Arts, 30.10.2019 18:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 30.10.2019 18:31
![question](/tpl/images/cats/mat.png)
Mathematics, 30.10.2019 18:31
![question](/tpl/images/cats/en.png)
English, 30.10.2019 18:31
![question](/tpl/images/cats/ekonomika.png)
Business, 30.10.2019 18:31