<span>NH4+ and NO3- because barium phosphate is insoluble </span>
The ratio which denotes the relation between the two different units is said to conversion factors.
According to conversion factors, the relation between calorie and kilojoule is given as, one Calorie is equal to 4.184 kJ.
1 Cal = 4.184 kJ
Now, according to above relation, convert 300 calories into kilojoules.
300 calories =
= 

Thus, kilojoules present in soda is equal to 
Answer:
D
Explanation:
I think the answer is part d.
He was brought to be believe that the earth was geocentric, meaning the earth was centered and everything orbited around it but he then published his work saying that is was heliocentric. So in the end believed in heliocentric. Let me know if this helped.
This defines the products, as they are formed in the reaction