Answer:
physic
Explanation:
physical chnages are chnages to the appearance
chemical chnages are chnages like
color temperature chnaging fromna gas to a liquid etc
Answer:
Explanation:
Hello,
In this case, since the given 5-M concentration of magnesium chloride is expressed as:
We can notice that one mole of salt contains two moles of chloride ions as the subscript of chlorine is two, in such a way, with the volume of solution we obtain the moles of chloride ions as shown below:
Best regards.
Answer:
A and B
Explanation:
This is because there was emission of gamma (Y) radiations in both the reactions.