music4life52703 music4life52703

14-01-2019
Chemistry

contestada

which of the following would be a good situation in which to apply Hess's law?

A. when the reaction is exothermic

B. when the products are unknown

C. when a reaction is spontaneous

D. when the Hreaction is not known

Respuesta :

James303 James303

19-06-2019

Answer: when the Hreaction is not known

Explanation: apex

Answer Link

Otras preguntas

Explain how changes in weather are caused by the interaction of air massas

which Union general impressed President Abraham Lincoln with his tenacity by stating the following? "find out where your enemy is. get at him as soon as you can

Which of the following was not a Portuguese explorer: Magellan, drake, or carbral

What is Douglas account?

Item originally costs $80, 25% discount

Help me write a rhyme scheme poem that makes sense.

how many ways are there for choosing 5 states from the top 10 states with the most murders if order is considered? what about if order is not considered?

The respiratory disease that cause destruction of alveoli and the elastic fibers in the lungs is known as a. emphysema. b. asthma. c. tuberculosis. d. bronc

Express 0.01620.01620, point, 0162 as a fraction.

All atomic nuclei, except those of ordinary hydrogen, contain neutrons. a. True b. False