subject
Chemistry, 09.04.2020 05:06 ShawnSaviro4918

Luis dice a Eduardo que cuando la leña se quema, solo quedan las cenizas y que, por tanto, no hay conservación de la masa. ¿que le contestaría Eduardo, que es un experto en reacciones químicas?

a)Que se tendría que tener en cuenta la masa de oxigeno que ha reaccionado y la de dióxido de carbono y vapor de agua que se ha formado, para poder comprobar que la masa se conserva.

b) que en las reacciones quimicas la masa se conserva, pero en las combustiones siempre disminuye.

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 17:00
The most efficient way to establish the best possible economizer position is to measure
Answers: 1
question
Chemistry, 21.06.2019 22:50
Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e
Answers: 2
question
Chemistry, 22.06.2019 05:20
Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?
Answers: 3
question
Chemistry, 22.06.2019 14:50
The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
You know the right answer?
Luis dice a Eduardo que cuando la leña se quema, solo quedan las cenizas y que, por tanto, no hay co...
Questions
question
Social Studies, 08.06.2021 22:50
question
Mathematics, 08.06.2021 22:50
question
Mathematics, 08.06.2021 22:50
Questions on the website: 13722360