your answer is <u>D</u><u>.</u><u> </u>physical change, because a new substance is not formed.
Answer:
helium hydrogen
Explanation:
lithium beryllium bottom carbon
Explanation:
number bonds are pairs of numbers that can be added together to make another number e.g. 4 + 6 = 10. They are some of the most basic and most importantparts ofmaths for children to learn
Answer:Water contains Oxygen the purified the methane gas
Explanation:
Answer:
802.69 g
Explanation:
The molar mass of Barium nitrite is 229.34 g/mol, so 3.5 moles of it will have a mass of ...
3.5 mol × 229.34 g/mol = 802.69 g
